Iteration of rows in table region.. help needed urgent !!!!

Hi ,
In my OAF Page ,user selects an account and clicks serach button,based on the account number the records are listed in a table .these rows are editable and a new row can be added to this region.
how can we iterate thru these rows and pass these values to the API which will store the values in to the database.
please do help me in iteration of these rows....i cannot do a vo.getrowcount and row.getattribute as this will get the values from the database and not the values from the current page.
I should iterate in the table region ... and it should also get the newly created row values when the user clicks the save button.
thanks
ramya
Edited by: user5400563 on Feb 12, 2009 5:00 AM

can you post the detailed error stack?
--Prasanna                                                                                                                                                                                                           

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    <!-- Store the floor selected and get the row and column count for the floor -->
    <% String floorselect = request.getParameter("floorselected");
       int floorselected = Integer.parseInt(floorselect);
       int rowcount = dataManager.getRowCount(floorselected);
       int columncount = dataManager.getColumnCount(floorselected);
       ArrayList<FloorPlanRenderElement> floorplanelements = dataManager.getFloorPlanElements(floorselected);
       Iterator<FloorPlanRenderElement> iterator = floorplanelements.iterator(); %>
    <!-- Create Table to display the grid -->
    <% if(!(floorplanelements.isEmpty())) // Checks whether the retrieved ArrayList is empty or not
    FloorPlanRenderElement anelement = new FloorPlanRenderElement();%>
    <table id="floorplan">
    <% while(iterator.hasNext()){
    anelement = iterator.next(); // The iterator.next() every call would takes the pointer to the next element in the collection
    for(int i=1; i==rowcount; i++){ %>
    <tr>
    <% for(int j=1; j==columncount; j++){%>
    <td width=30px height=30px> <img src="<%=imageURL + anelement.floorelement.getElementType() + "-" + anelement.floorelement.getOccupied()%>"/> </td>
    <% } //close for...j loop %>
    </tr>
    <% } //close for...i loop %>
    <% } //close while... loop %>
    </table>
    <% } //close if, start else
    else { %>
    No floor plan exists. Please choose another floor.
    <% } //close else %>
    </div>
    </div>
    </body>
    </html>For god sake please bother to understand how any implementation of java.util.Iterator works
    for more info go through javadocs
    http://java.sun.com/j2se/1.5.0/docs/api/java/util/Iterator.html
    and i believe you have completey ignored my other suggestion of using enhanced loop in J2SE 5.0+ if iterator is confusing.
    Anyways,hope the above might help you in fixing of what you are trying to..
    REGARDS,
    RaHuL

  • Help needed urgently: Sub-Total from Child Dataset returns 0 value

    Hi all,
    I REALLY need help on this I can't figure it out. I'm using rtf, bi desktop tool 11.1.5.
    My dataset structure is as follows:
    G1
    Major_Service
    Strategy
    Period_Actual
    Period_Budget
    G3
    WBS_Name --->=Major_Service
    Task_Name ---->=Strategy
    Forecast
    G3 is the child dataset which I tried to indent right to show the structure but this editor is not catering to that.
    I populated a table with Major_Service, Strategy, Period_Actual, Period_Budget, Forecast; group left by Major_Service; Conditional Region (Major_Service!='A' & 'B')
    I am able to get the value for all of it correctly row by row, with the condition met, however when I get to subtotal by group, subtotal of Forecast comes as '0.00'.
    The code is <?sum (current-group()/FORECAST)?> while the code for others are also the same.
    How can I get the output for subtotal for Forecast? Please advise.
    Thanks,
    Bavani
    Edited by: 869112 on Jul 9, 2012 11:25 PM

    If forecast is column in group G3 and you are trying to find aggregate values after end of group G3 (and inside group G1) then you will zero values.
    e.g.
    If you have pseudo code like this, aggregate forecast value will be zero.
    <start group G1>
    <start group G3>
    Some calculations on G3 columns
    <end group G3>
    Sum on forecast (which is column in group G3)>
    <end group G1>

  • "com.mysql.jdbc.PacketTooBigException": Help needed urgently

    hi,
    I am using mm.mysql j/connector ver 3.0.6 and MYSQL server version 4.0.
    Max_allowed packet= 8MB at the server side
    I am getting PacketTooBigException when i am trying to update a particular column.
    What should i do.
    Any help will be greatly appreciated!!!

    the driver uses a 64 k max packet size by default. it is supposed to change this as neccessary upon connection but perhaps that is failing?
    below is the 3.0.7 connection code that i have slightly modified for you so that it prints out the connection properties after they have been initialized so that you can see what they are.
    try it out and i hope you find this helpful.
       Copyright (C) 2002 MySQL AB
          This program is free software; you can redistribute it and/or modify
          it under the terms of the GNU General Public License as published by
          the Free Software Foundation; either version 2 of the License, or
          (at your option) any later version.
          This program is distributed in the hope that it will be useful,
          but WITHOUT ANY WARRANTY; without even the implied warranty of
          MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
          GNU General Public License for more details.
          You should have received a copy of the GNU General Public License
          along with this program; if not, write to the Free Software
          Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
    /*Slight Modification by Max Stocker April 29, 2003 to trace what the connection values get initialized to. */
    package com.mysql.jdbc;
    import java.io.IOException;
    import java.io.InputStream;
    import java.io.Reader;
    import java.io.UnsupportedEncodingException;
    import java.math.BigDecimal;
    import java.net.URL;
    import java.sql.Clob;
    import java.sql.Date;
    import java.sql.ParameterMetaData;
    import java.sql.Ref;
    import java.sql.SQLException;
    import java.sql.Savepoint;
    import java.sql.Time;
    import java.sql.Timestamp;
    import java.util.ArrayList;
    import java.util.Calendar;
    import java.util.HashMap;
    import java.util.Iterator;
    import java.util.List;
    import java.util.Map;
    import java.util.Properties;
    import java.util.StringTokenizer;
    import java.util.TimeZone;
    * A Connection represents a session with a specific database.  Within the
    * context of a Connection, SQL statements are executed and results are
    * returned.
    * <P>A Connection's database is able to provide information describing
    * its tables, its supported SQL grammar, its stored procedures, the
    * capabilities of this connection, etc.  This information is obtained
    * with the getMetaData method.
    * @see java.sql.Connection
    * @author Mark Matthews
    * @version $Id: Connection.java,v 1.31.2.19 2003/03/28 22:42:24 mmatthew Exp $
    public class Connection implements java.sql.Connection {
        // The command used to "ping" the database.
        // Newer versions of MySQL server have a ping() command,
        // but this works for everything
        private static final String PING_COMMAND = "SELECT 1";
         * Map mysql transaction isolation level name to
         * java.sql.Connection.TRANSACTION_XXX
        private static Map mapTransIsolationName2Value = null;
         * The mapping between MySQL charset names
         * and Java charset names.
         * Initialized by loadCharacterSetMapping()
        private static Map charsetMap;
         * Table of multi-byte charsets.
         * Initialized by loadCharacterSetMapping()
        private static Map multibyteCharsetsMap;
         * Default socket factory classname
        private static final String DEFAULT_SOCKET_FACTORY = StandardSocketFactory.class
            .getName();
        static {
            loadCharacterSetMapping();
            mapTransIsolationName2Value = new HashMap(8);
            mapTransIsolationName2Value.put("READ-UNCOMMITED",
                new Integer(TRANSACTION_READ_UNCOMMITTED));
              mapTransIsolationName2Value.put("READ-UNCOMMITTED",
                   new Integer(TRANSACTION_READ_UNCOMMITTED));
            mapTransIsolationName2Value.put("READ-COMMITTED",
                new Integer(TRANSACTION_READ_COMMITTED));
            mapTransIsolationName2Value.put("REPEATABLE-READ",
                new Integer(TRANSACTION_REPEATABLE_READ));
            mapTransIsolationName2Value.put("SERIALIZABLE",
                new Integer(TRANSACTION_SERIALIZABLE));
         * Internal DBMD to use for various database-version
         * specific features
        private DatabaseMetaData dbmd = null;
         * The list of host(s) to try and connect to
        private List hostList = null;
          * A map of statements that have had setMaxRows() called on them
         private Map statementsUsingMaxRows;
         * The I/O abstraction interface (network conn to
         * MySQL server
        private MysqlIO io = null;
         * Mutex
        private final Object mutex = new Object();
         * The driver instance that created us
        private NonRegisteringDriver myDriver;
         * The map of server variables that we retrieve
         * at connection init.
        private Map serverVariables = null;
         * Properties for this connection specified by user
        private Properties props = null;
         * The database we're currently using
         * (called Catalog in JDBC terms).
        private String database = null;
         * If we're doing unicode character conversions,
         * what encoding do we use?
        private String encoding = null;
         * The hostname we're connected to
        private String host = null;
         * The JDBC URL we're using
        private String myURL = null;
         * The password we used
        private String password = null;
         * Classname for socket factory
        private String socketFactoryClassName = null;
         * The user we're connected as
        private String user = null;
         * The timezone of the server
        private TimeZone serverTimezone = null;
         * Allow LOAD LOCAL INFILE (defaults to true)
        private boolean allowLoadLocalInfile = true;
         * Are we in autoCommit mode?
        private boolean autoCommit = true;
         * Should we capitalize mysql types
        private boolean capitalizeDBMDTypes = false;
         * Should we continue processing batch commands if
         * one fails. The JDBC spec allows either way, so
         * we let the user choose
        private boolean continueBatchOnError = true;
         * Should we do unicode character conversions?
        private boolean doUnicode = false;
         * Are we failed-over to a non-master host
        private boolean failedOver = false;
        /** Does the server suuport isolation levels? */
        private boolean hasIsolationLevels = false;
         * Does this version of MySQL support quoted identifiers?
        private boolean hasQuotedIdentifiers = false;
        // This is for the high availability :) routines
        private boolean highAvailability = false;
         * Has this connection been closed?
        private boolean isClosed = true;
         * Should we tell MySQL that we're an interactive client?
        private boolean isInteractiveClient = false;
         * Is the server configured to use lower-case
         * table names only?
        private boolean lowerCaseTableNames = false;
         * Has the max-rows setting been changed from
         * the default?
        private boolean maxRowsChanged = false;
         * Do we expose sensitive information in exception
         * and error messages?
        private boolean paranoid = false;
         * Should we do 'extra' sanity checks?
        private boolean pedantic = false;
         * Are we in read-only mode?
        private boolean readOnly = false;
        /** Do we relax the autoCommit semantics? (For enhydra, for example) */
        private boolean relaxAutoCommit = false;
         * Do we need to correct endpoint rounding errors
        private boolean strictFloatingPoint = false;
         * Do we check all keys for updatable result sets?
        private boolean strictUpdates = true;
        /** Are transactions supported by the MySQL server we are connected to? */
        private boolean transactionsSupported = false;
         * Has ANSI_QUOTES been enabled on the server?
        private boolean useAnsiQuotes = false;
         * Should we use compression?
        private boolean useCompression = false;
         * Can we use the "ping" command rather than a
         * query?
        private boolean useFastPing = false;
         * Should we tack on @hostname in DBMD.getTable/ColumnPrivileges()?
        private boolean useHostsInPrivileges = true;
         * Should we use SSL?
        private boolean useSSL = false;
         * Should we use stream lengths in prepared statements?
         * (true by default == JDBC compliant)
        private boolean useStreamLengthsInPrepStmts = true;
         * Should we use timezone information?
        private boolean useTimezone = false;
        /** Should we return PreparedStatements for UltraDev's stupid bug? */
        private boolean useUltraDevWorkAround = false;
        private double initialTimeout = 2.0D;
         * How many hosts are in the host list?
        private int hostListSize = 0;
         * isolation level
        private int isolationLevel = java.sql.Connection.TRANSACTION_READ_COMMITTED;
         * The largest packet we can send (changed
         * once we know what the server supports, we
         * get this at connection init).
        private int maxAllowedPacket = 65536;
        private int maxReconnects = 3;
         * The max rows that a result set can contain.
         * Defaults to -1, which according to the JDBC
         * spec means "all".
        private int maxRows = -1;
        private int netBufferLength = 16384;
         * The port number we're connected to
         * (defaults to 3306)
        private int port = 3306;
         * How many queries should we wait before we try to re-connect
         * to the master, when we are failing over to replicated hosts
         * Defaults to 50
        private int queriesBeforeRetryMaster = 50;
         * What should we set the socket timeout to?
        private int socketTimeout = 0; // infinite
         * When did the last query finish?
        private long lastQueryFinishedTime = 0;
         * When did the master fail?
        private long masterFailTimeMillis = 0L;
         * Number of queries we've issued since the master
         * failed
        private long queriesIssuedFailedOver = 0;
         * How many seconds should we wait before retrying to connect
         * to the master if failed over? We fall back when either
         * queriesBeforeRetryMaster or secondsBeforeRetryMaster is
         * reached.
        private long secondsBeforeRetryMaster = 30L;
         * The type map for UDTs (not implemented, but used by
         * some third-party vendors, most notably IBM WebSphere)
        private Map typeMap;
         * Ignore non-transactional table warning for rollback?
        private boolean ignoreNonTxTables = false;
         * Creates a connection to a MySQL Server.
         * @param host the hostname of the database server
         * @param port the port number the server is listening on
         * @param info a Properties[] list holding the user and password
         * @param database the database to connect to
         * @param url the URL of the connection
         * @param d the Driver instantation of the connection
         * @exception java.sql.SQLException if a database access error occurs
        Connection(String host, int port, Properties info, String database,
            String url, NonRegisteringDriver d) throws java.sql.SQLException {
            if (Driver.TRACE) {
                Object[] args = { host, new Integer(port), info, database, url, d };
                Debug.methodCall(this, "constructor", args);
            this.serverVariables = new HashMap();
            hostList = new ArrayList();
            if (host == null) {
                this.host = "localhost";
                hostList.add(this.host);
            } else if (host.indexOf(",") != -1) {
                // multiple hosts separated by commas (failover)
                StringTokenizer hostTokenizer = new StringTokenizer(host, ",", false);
                while (hostTokenizer.hasMoreTokens()) {
                    hostList.add(hostTokenizer.nextToken().trim());
            } else {
                this.host = host;
                hostList.add(this.host);
            hostListSize = hostList.size();
            this.port = port;
            if (database == null) {
                throw new SQLException("Malformed URL '" + url + "'.", "S1000");
            this.database = database;
            this.myURL = url;
            this.myDriver = d;
            this.user = info.getProperty("user");
            this.password = info.getProperty("password");
            if ((this.user == null) || this.user.equals("")) {
                this.user = "nobody";
            if (this.password == null) {
                this.password = "";
            this.props = info;
            initializeDriverProperties(info);
            if (Driver.DEBUG) {
                System.out.println("Connect: " + this.user + " to " + this.database);
            try {
                createNewIO(false);
                this.dbmd = new DatabaseMetaData(this, this.database);
            } catch (java.sql.SQLException ex) {
                cleanup();
                // don't clobber SQL exceptions
                throw ex;
            } catch (Exception ex) {
                cleanup();
                StringBuffer mesg = new StringBuffer();
                if (!useParanoidErrorMessages()) {
                    mesg.append("Cannot connect to MySQL server on ");
                    mesg.append(this.host);
                    mesg.append(":");
                    mesg.append(this.port);
                    mesg.append(".\n\n");
                    mesg.append("Make sure that there is a MySQL server ");
                    mesg.append("running on the machine/port you are trying ");
                    mesg.append(
                        "to connect to and that the machine this software is "
                        + "running on ");
                    mesg.append("is able to connect to this host/port "
                        + "(i.e. not firewalled). ");
                    mesg.append(
                        "Also make sure that the server has not been started "
                        + "with the --skip-networking ");
                    mesg.append("flag.\n\n");
                } else {
                    mesg.append("Unable to connect to database.");
                mesg.append("Underlying exception: \n\n");
                mesg.append(ex.getClass().getName());
                throw new java.sql.SQLException(mesg.toString(), "08S01");
         * If a connection is in auto-commit mode, than all its SQL
         * statements will be executed and committed as individual
         * transactions.  Otherwise, its SQL statements are grouped
         * into transactions that are terminated by either commit()
         * or rollback().  By default, new connections are in auto-
         * commit mode.  The commit occurs when the statement completes
         * or the next execute occurs, whichever comes first.  In the
         * case of statements returning a ResultSet, the statement
         * completes when the last row of the ResultSet has been retrieved
         * or the ResultSet has been closed.  In advanced cases, a single
         * statement may return multiple results as well as output parameter
         * values.  Here the commit occurs when all results and output param
         * values have been retrieved.
         * <p><b>Note:</b> MySQL does not support transactions, so this
         *                 method is a no-op.
         * @param autoCommit - true enables auto-commit; false disables it
         * @exception java.sql.SQLException if a database access error occurs
        public void setAutoCommit(boolean autoCommit) throws java.sql.SQLException {
            if (Driver.TRACE) {
                Object[] args = { new Boolean(autoCommit) };
                Debug.methodCall(this, "setAutoCommit", args);
            checkClosed();
            if (this.transactionsSupported) {
                // this internal value must be set first as failover depends on it
                // being set to true to fail over (which is done by most
                // app servers and connection pools at the end of
                // a transaction), and the driver issues an implicit set
                // based on this value when it (re)-connects to a server
                // so the value holds across connections
                this.autoCommit = autoCommit;
                String sql = "SET autocommit=" + (autoCommit ? "1" : "0");
                execSQL(sql, -1, this.database);
            } else {
                if ((autoCommit == false) && (this.relaxAutoCommit == false)) {
                    throw new SQLException("MySQL Versions Older than 3.23.15 "
                        + "do not support transactions", "08003");
                } else {
                    this.autoCommit = autoCommit;
            return;
         * gets the current auto-commit state
         * @return Current state of the auto-commit mode
         * @exception java.sql.SQLException (why?)
         * @see setAutoCommit
        public boolean getAutoCommit() throws java.sql.SQLException {
            if (Driver.TRACE) {
                Object[] args = new Object[0];
                Debug.methodCall(this, "getAutoCommit", args);
                Debug.returnValue(this, "getAutoCommit",
                    new Boolean(this.autoCommit));
            return this.autoCommit;
         * A sub-space of this Connection's database may be selected by
         * setting a catalog name.  If the driver does not support catalogs,
         * it will silently ignore this request
         * <p><b>Note:</b> MySQL's notion of catalogs are individual databases.
         * @param catalog the database for this connection to use
         * @throws java.sql.SQLException if a database access error occurs
        public void setCatalog(String catalog) throws java.sql.SQLException {
            if (Driver.TRACE) {
                Object[] args = { catalog };
                Debug.methodCall(this, "setCatalog", args);
            checkClosed();
            String quotedId = this.dbmd.getIdentifierQuoteString();
            if ((quotedId == null) || quotedId.equals(" ")) {
                quotedId = "";
            StringBuffer query = new StringBuffer("USE ");
            query.append(quotedId);
            query.append(catalog);
            query.append(quotedId);
            execSQL(query.toString(), -1, catalog);
            this.database = catalog;
         * Return the connections current catalog name, or null if no
         * catalog name is set, or we dont support catalogs.
         * <p><b>Note:</b> MySQL's notion of catalogs are individual databases.
         * @return the current catalog name or null
         * @exception java.sql.SQLException if a database access error occurs
        public String getCatalog() throws java.sql.SQLException {
            if (Driver.TRACE) {
                Object[] args = new Object[0];
                Debug.methodCall(this, "getCatalog", args);
                Debug.returnValue(this, "getCatalog", this.database);
            return this.database;
         * DOCUMENT ME!
         * @return DOCUMENT ME!
        public boolean isClosed() {
            if (Driver.TRACE) {
                Object[] args = new Object[0];
                Debug.methodCall(this, "isClosed", args);
                Debug.returnValue(this, "isClosed", new Boolean(this.isClosed));
            return this.isClosed;
         * Returns the character encoding for this Connection
         * @return the character encoding for this connection.
        public String getEncoding() {
            return this.encoding;
         * @see Connection#setHoldability(int)
        public void setHoldability(int arg0) throws SQLException {
            // do nothing
         * @see Connection#getHoldability()
        public int getHoldability() throws SQLException {
            return ResultSet.CLOSE_CURSORS_AT_COMMIT;
         * NOT JDBC-Compliant, but clients can use this method
         * to determine how long this connection has been idle.
         * This time (reported in milliseconds) is updated once
         * a query has completed.
         * @return number of ms that this connection has
         * been idle, 0 if the driver is busy retrieving results.
        public long getIdleFor() {
            if (this.lastQueryFinishedTime == 0) {
                return 0;
            } else {
                long now = System.currentTimeMillis();
                long idleTime = now - this.lastQueryFinishedTime;
                return idleTime;
         * Should we tell MySQL that we're an interactive client
         * @return true if isInteractiveClient was set to true.
        public boolean isInteractiveClient() {
            return isInteractiveClient;
         * A connection's database is able to provide information describing
         * its tables, its supported SQL grammar, its stored procedures, the
         * capabilities of this connection, etc.  This information is made
         * available through a DatabaseMetaData object.
         * @return a DatabaseMetaData object for this connection
         * @exception java.sql.SQLException if a database access error occurs
        public java.sql.DatabaseMetaData getMetaData() throws java.sql.SQLException {
            checkClosed();
            return new DatabaseMetaData(this, this.database);
         * You can put a connection in read-only mode as a hint to enable
         * database optimizations
         * <B>Note:</B> setReadOnly cannot be called while in the middle
         * of a transaction
         * @param readOnly - true enables read-only mode; false disables it
         * @exception java.sql.SQLException if a database access error occurs
        public void setReadOnly(boolean readOnly) throws java.sql.SQLException {
            if (Driver.TRACE) {
                Object[] args = { new Boolean(readOnly) };
                Debug.methodCall(this, "setReadOnly", args);
                Debug.returnValue(this, "setReadOnly", new Boolean(readOnly));
            checkClosed();
            this.readOnly = readOnly;
         * Tests to see if the connection is in Read Only Mode.  Note that
         * we cannot really put the database in read only mode, but we pretend
         * we can by returning the value of the readOnly flag
         * @return true if the connection is read only
         * @exception java.sql.SQLException if a database access error occurs
        public boolean isReadOnly() throws java.sql.SQLException {
            if (Driver.TRACE) {
                Object[] args = new Object[0];
                Debug.methodCall(this, "isReadOnly", args);
                Debug.returnValue(this, "isReadOnly", new Boolean(this.readOnly));
            return this.readOnly;
         * @see Connection#setSavepoint()
        public java.sql.Savepoint setSavepoint() throws SQLException {
            throw new NotImplemented();
         * @see Connection#setSavepoint(String)
        public java.sql.Savepoint setSavepoint(String arg0)
            throws SQLException {
            throw new NotImplemented();
         * DOCUMENT ME!
         * @return DOCUMENT ME!
        public TimeZone getServerTimezone() {
            return this.serverTimezone;
         * DOCUMENT ME!
         * @param level DOCUMENT ME!
         * @throws java.sql.SQLException DOCUMENT ME!
        public void setTransactionIsolation(int level) throws java.sql.SQLException {
            if (Driver.TRACE) {
                Object[] args = { new Integer(level) };
                Debug.methodCall(this, "setTransactionIsolation", args);
            checkClosed();
            if (this.hasIsolationLevels) {
                StringBuffer sql = new StringBuffer(
                        "SET SESSION TRANSACTION ISOLATION LEVEL ");
                switch (level) {
                case java.sql.Connection.TRANSACTION_NONE:
                    throw new SQLException("Transaction isolation level "
                        + "NONE not supported by MySQL");
                case java.sql.Connection.TRANSACTION_READ_COMMITTED:
                    sql.append("READ COMMITTED");
                    break;
                case java.sql.Connection.TRANSACTION_READ_UNCOMMITTED:
                    sql.append("READ UNCOMMITTED");
                    break;
                case java.sql.Connection.TRANSACTION_REPEATABLE_READ:
                    sql.append("REPEATABLE READ");
                    break;
                case java.sql.Connection.TRANSACTION_SERIALIZABLE:
                    sql.append("SERIALIZABLE");
                    break;
                default:
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(                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      

  • Help needed urgently to get the values from the jsp page.

    hi,
    I am badly stuck into this problem.Please help me and find a solution.
    I am using ms-access and jsp.
    my database structure is as given below:
    m_emp_no | from_date | to_date | approver| status |
    1002 | 22/9/2008 | 23/9/2008|1003 |pending
    1004 | 29/9/2008 | 30/9/2008|1003 |pending
    2044 | 15/9/2008 | 16/9/2008|3076 |pending
    now this is exactly a leave apply scenario where a page is displayed and the user has to fill in the details to apply leave.then the approver has to approve that leaves so even, he should get the details in his account.
    for example here 1003 has to approve leaves for 1002 & 1004.i am able to fetch data from database for the particular approver here is the coding:
    <html>
    <body>
    <h2 align="center"><u><b><span style="background-color: #FFFFFF"><font color="#C0C0C0" face="Comic Sans MS">Leave
    Approval Requests</font></span></b></u></h2>
    <form method="POST" name="f1" action="update.jsp">
    <%
    Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
    Connection con=DriverManager.getConnection("jdbc:odbc:employee_details");
    PreparedStatement p=null;
    p=con.prepareStatement("select * from emp_leave_application where approver='"+username+"'");
    ResultSet r=p.executeQuery();
    while(r.next())
    %>  <table border="1" width="100%" bordercolor="#FFFFFF" bordercolorlight="#FFFFFF" bordercolordark="#FFFFFF">
        <tr>
          <td width="100%" bgcolor="#999966"><b><u><%=r.getString(2)%></u></b></td>
        </tr>
      </table>
      <table border="1" width="100%" height="171" bordercolor="#FFFFFF" bordercolorlight="#FFFFFF" bordercolordark="#FFFFFF">
        <tr>
          <td width="100%" height="165" valign="top">
            <p align="left"><b>User ID</b>        :
    <input type="text" name="id" value="<%=r.getString(1)%>"  size="4   
         <b>status</b>:<%=r.getString(5)%</p>
    <p><b>Leave From</b> : <%=r.getString(2)%></p>
    <p><b>Leave From</b> : <%=r.getString(3)%></p>
    <p><b>Approve</b> : <select  size="1" name="approved">
            <option value="Approved">Approved</option>
            <option value="Cancelled">Cancelled</option>        </select></p>
    <%
    con.close();
    %>
      <table border="1" width="100%" bordercolor="#FFFFFF" bordercolorlight="#FFFFFF" bordercolordark="#FFFFFF">
              <tr>
                <td width="100%" bgcolor="#999966">
                  <p align="center"><input type="reset" value="Clear" name="B1"> 
                  <input type="submit" value="Submit" name="B2"></td>
              </tr>
            </table>
            </td>
        </tr>
      </table>
    </form>
    </body>
    </html>{code}
    this will display both the rows but when i try to retrieve the values into update.jsp using the code given below it gives me only one value which is the first 1002.
    {code}approved=(String)request.getParameter("approved");
    id=(String)request.getParameter("id");{code}
    but i need both the values to be inserted into the update.jsp only then the approver will be able to approve the leaves individually with respect to the m_emp_no.
    please help me out.
    thanks in advance.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           

    My comments below are all between (((((( and ))))))
    <html>
    <body>
    <h2 align="center"><u><b><span style="background-color: #FFFFFF"><font color="#C0C0C0" face="Comic Sans MS">Leave
    Approval Requests</font></span></b></u></h2>
    <form method="POST" name="f1" action="update.jsp">
    <%
    Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
    Connection con=DriverManager.getConnection("jdbc:odbc:employee_details");
    PreparedStatement p=null;
    p=con.prepareStatement("select * from emp_leave_application where approver='"+username+"'");
    ResultSet r=p.executeQuery();
    while(r.next())
    %> <table border="1" width="100%" bordercolor="#FFFFFF" bordercolorlight="#FFFFFF" bordercolordark="#FFFFFF">
    <tr>
    <td width="100%" bgcolor="#999966"><b><u><%=r.getString(2)%></u></b></td>
    </tr>
    </table>
    <table border="1" width="100%" height="171" bordercolor="#FFFFFF" bordercolorlight="#FFFFFF" bordercolordark="#FFFFFF">
    <tr>
    <td width="100%" height="165" valign="top">
    <p align="left"><b>User ID</b> :
    <input type="text" name="id" value="<%=r.getString(1)%>" size="4   
    ((((((( in the statement above, name="id" should be changed to something like name="id"<%=ii%>
    Where ii is a counter that tells you how many times you have gone through the loop so far.
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    such as 'id'. This change will give them names such as id0, id1, id2. Then when you submit the page, you can uniquely
    identify each input textfield.))))))
    <b>status</b>:<%=r.getString(5)%</p>
    <p><b>Leave From</b> : <%=r.getString(2)%></p>
    <p><b>Leave From</b> : <%=r.getString(3)%></p>
    <p><b>Approve</b> : <select size="1" name="approved">
    (((( the above select also has to have a unique name for each time through the loop. Change it to name="approved"<%=ii%>
    <option value="Approved">Approved</option>
    <option value="Cancelled">Cancelled</option> </select></p>
    <%
    con.close();
    %>
    <table border="1" width="100%" bordercolor="#FFFFFF" bordercolorlight="#FFFFFF" bordercolordark="#FFFFFF">
    <tr>
    <td width="100%" bgcolor="#999966">
    <p align="center"><input type="reset" value="Clear" name="B1">
    <input type="submit" value="Submit" name="B2"></td>
    </tr>
    </table>
    </td>
    </tr>
    </table>
    </form>
    </body>
    </html>
    (((((((note you would be better off long term to put your business logic in a servlet and dispatch to the JSP page which will only have the responsiblity to display the data.
    Also, connection pooling is better than the above.

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