Please help - AbstractTableModel, result set and JTable

Pls help me on this:
I derive a new class, myTable that extends the AbstractTableModel, one of the member method is like this:
public void setValueAt( Object data, int row, int col ){
try{
resultSet.absolute( row + 1 );
resultSet.updateDouble( col + 1, Double.parseDouble( data.toString()));
resultSet.updateRow();
}//end try
catch( SQLException sqlEx ){
JOptionPane.showMessageDialog( null, "SQL error", "", 1 );
Everytime i try to update the data( which is double), example 2.00, i will see this runtime error:
java.lang.NumberFormatError: 2.00
The database is Microsoft Access 2000 and OS is Win ME. I update the data by using JTable GUI( which extends the new class myTable).
When i try to use Oracle database, then there is no problem for this.
How to solve this problem?

can i get a look at your TableModel for the JTable.
Your problem with Access: Access "double" is not the same as
Oracle's double.
you can try the various types that have decimals until you find
which one access will accept.

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Please help - Scrollable result set in sql server 2000

Hi can some one please help me. I'm trying to create scrollable result set in sql server 2000, but i just can't get it to work. I've been trying to do this for the past 12 hours. I want to go home, but I can't till I get this going! please help!!! My crap code is as follows:
package transact;
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import javax.swing.JInternalFrame;
import java.sql.*;
import java.io.*;
import java.util.*;
public class DummyFrame extends Dummy
protected String name, surname;
protected Connection conn;
protected CallableStatement cstatement;
public DummyFrame()
createFrame();
private void createFrame()
try
Class.forName("com.microsoft.jdbc.sqlserver.SQLServerDriver");
conn = DriverManager.getConnection(
"jdbc:microsoft:sqlserver://server:1433;" +
"user=user;password=pwd;DatabaseName=Northwind");
catch (Exception e)
e.getMessage();
populateFields();
menuAction();
show();
private void menuAction()
btncontacts.addActionListener(new ActionListener()
public void actionPerformed(ActionEvent e)
getRecords();
populateFields();
btncontacts.setText("NEXT");
btnkeywords.addActionListener(new ActionListener()
public void actionPerformed(ActionEvent e)
// transaction.getRecords();
nextRecord();
populateFields();
btncontacts.setText("NEXT");
protected void nextRecord()
try
// CallableStatement cstatement = null;
cstatement = conn.prepareCall(
"{call Employee_Selection}", ResultSet.TYPE_SCROLL_INSENSITIVE,
ResultSet.CONCUR_UPDATABLE);
ResultSet rs = cstatement.executeQuery();
while (rs.next())
surname = rs.getString("Lastname");
cstatement.getMoreResults();
catch (Exception e)
e.getMessage();
protected void getRecords()
try
CallableStatement cstatement = null;
cstatement = conn.prepareCall(
"{call Employee_Selection}", ResultSet.TYPE_SCROLL_INSENSITIVE,
ResultSet.CONCUR_UPDATABLE);
ResultSet rs = cstatement.executeQuery();
while (rs.next())
surname = rs.getString("Lastname");
name = rs.getString("Firstname");
rs.first();
// call stored procedure
catch (Exception e)
e.getMessage();
// populate the fields;
private void populateFields()
txtfirstname.setText(name);
txtsurname.setText(surname);
}

ummm ok i think the logic in your code is kinda screwy...
here is what your should be doing.
create the gui.
get the resultset...
have code that looks like this for nextRecord...
protected void displayNextRecord(){
// we do not call next here because we already called it last time
surname = rs.getString("Lastname");
name = rs.getString("Firstname");
populateFields();
if(!rs.next(){
btncontacts.setEnabled(false);// i'm not sure what btncontacts is but we want to disable next becuase there are no more records...
// in your intitalization code you need to do this...
// you old stuff ending with...
ResultSet rs = cstatement.executeQuery();
// the new stuff...
if(rs.first()){
displayNextRecord();
}else{
btncontacts.setEnabled(false);//the result set is empty
}ok the real problem you are having is that you are trying to display one record at a time but you are scrolling
through the entire result set using while(rs.next()... what you
want to do is create the result set once and scroll through
it one item at a time with your gui.
the example method i have given displays the data from the current
row in your gui. then it advances the result set forward one row if possible. this method assumes that the result set will always
be positioned on a valid row thus the need for calling
rs.first() before we originally call displayNextRecord()
well i hope you find this helpful.

Help with streaming result sets and prepared statements

hi all
I create a callable statement that is capable of streaming.
statement = myConn2.prepareCall("{call graphProc(?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?)}",java.sql.ResultSet.TYPE_FORWARD_ONLY,
java.sql.ResultSet.CONCUR_READ_ONLY);
statementOne.setFetchSize(Integer.MIN_VALUE);
the class that contains the query is instantiated 6 times the first class streams the results beautifully and then when the second
rs = DatabaseConnect.statementOne.executeQuery();
is executed I get the following error
java.sql.SQLException: Can not use streaming results with multiple result statements
at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:910)
at com.mysql.jdbc.MysqlIO.readAllResults(MysqlIO.java:1370)
at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:1688)
at com.mysql.jdbc.Connection.execSQL(Connection.java:3031)
at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:943)
at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:1049)
at com.mysql.jdbc.CallableStatement.executeQuery(CallableStatement.java:589)
the 6 instances are not threaded and the result set is closed before the next query executes is there a solution to this problem it would be greatly appreciated
thanks a lot
Brian

Database resources should have the narrowed scope
possible. I don't think it's a good idea to use a
ResultSet in a UI to generate a graph. Load the data
into an object or data structure inside the method
that's doing the query and close the ResultSet in a
finally block. Use the data structure to generate
the graph.
It's an example of MVC and layering.
Ok that is my bad for not elaborating on the finer points sorry, the results are not directly streamed into the graphs from the result set. and are processed in another object and then plotted from there.
with regards to your statement in the beginning I would like to ask if you think it at least a viable option to create six connections. with that said would you be able to give estimated users using the six connections under full usage.
just a few thoughts that I want to
bounce off you if you don't mind. Closing the
statement would defeat the object of of having a
callable statement How so? I don't agree with that.
%again I apologise I assumed that since callable statements inherit from prepared statements that they would have the pre compiled sql statement functionality of prepared statements,well If you consider in the example I'm about to give maybe you will see my point at least with regards to this.
The statement that I create uses a connection and is created statically at the start of the program, every time I make a call the same statement and thus connection is used, creating a new connection each time takes up time and resources. and as you know every second counts
thanks for your thoughts
Brian.

Please, help me to set up wireless Internet connection. M...

Please, help me to set up wireless Internet connection. My router is WRT54GS. I able to get online when computer is wired direct to VPN internet cable.
First, I can’t open password request screen on http://192.168.1.1.
Second, when "Setup wizard" runs step #6 (“Check the router’s status”), the program asks for the password. Default password “admin” is rejected by the program and I can’t install Linksys software. Just in case I already pressed reset switch on the back of the router but to no avail.
Third, I don’t find out my Ethernet Adapter Wireless Network Connection and correct router’s IP address using ipconfig/all command after connecting WRT54GS with my computer. Ethernet adapter: DHCP disabled, subnet mask 255.255.255.0, IP address 10.32.132.193, default gate 10.32.132.1.
Tell me please: what’s the matter?

Pensive wrote:
Please, help me to set up wireless Internet connection. My router is WRT54GS. I able to get online when computer is wired direct to VPN internet cable.
First, I can’t open password request screen on http://192.168.1.1.
Second, when "Setup wizard" runs step #6 (“Check the router’s status”), the program asks for the password. Default password “admin” is rejected by the program and I can’t install Linksys software. Just in case I already pressed reset switch on the back of the router but to no avail.
Third, I don’t find out my Ethernet Adapter Wireless Network Connection and correct router’s IP address using ipconfig/all command after connecting WRT54GS with my computer. Ethernet adapter: DHCP disabled, subnet mask 255.255.255.0, IP address 10.32.132.193, default gate 10.32.132.1.
Tell me please: what’s the matter?
hi pensive ,
Seems interesting , first do this - push the reset button on the back of router .
push it till 30 seconds , unplug the power cable and plug in the power cable back in After completion of 30 seconds.
then try to log into , 192.168.1.1 again . with the password "admin".
see if it reply?
Else -
strt>cmd>ipconfig /all - post the result ?
pe@c3
Message Edited by meteor on 01-09-2008 05:58 AM
~~~Nobudy's Perfect , i try To Be So ! Each n every moment of maH LYF , AND I THINK dat wats make Me "Different" From others....~~~

How can I use a Lookup task to lookup from my SQL Result set and have a join

So in my Control Flow, I have an Execute SQL Task which gets my Table result set. I then have a Foreach Loop Container that iterates through the result set and a Data Flow. The first task in the Data Flow is an OLE DB Source SQL Command that retrieves data
columns associated with my result set. I then do a Derived Column so I can SUBSTRING from one of my data columns and now I want to perform a Lookup to my Application Database.
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A little background....external data from a 3rd party client. I'v staged that external data to a SQL Server staging table. I have to try and match that data up to our database using SSN, DOB, and Gender...and if I can't match that way then I have to try
and match by Name. I need to make sure that there is only one and only one account for that match. If I cannot match and match one and only one, then I'll create rows on a DataAnomaly Table. If I do match, then I have to check and make sure that there is only
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That's where I'm at. Sooooo are you saying to use Rajen's suggestion? I don't think I can do that because I need multiple SQL tasks and I cannot connect multiple OLE DB Source tasks.
Any help and suggestions are greatly appreciated.
Thanks.

Why to need close the result set and statement

why to need close the result set and statement

It's best to explicitly close every ResultSet, Statement, and Connection in the narrowest scope possible.
These should be closed in a finally block.
Since each close() method throws SQLException, each one should be in an individual try/catch block to ensure that a failure to close one won't ruin the chances for all the others.
You can capture this in one nice utility class, like this:
package db;
import java.sql.*;
import java.util.ArrayList;
import java.util.Map;
import java.util.LinkedHashMap;
import java.util.List;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
* Created by IntelliJ IDEA.
* User: MD87020
* Date: Feb 16, 2005
* Time: 8:42:19 PM
* To change this template use File | Settings | File Templates.
public class DatabaseUtils
     * Logger for DatabaseUtils
    private static final Log logger = LogFactory.getLog(DatabaseUtils.class);
    /** Private default ctor to prevent subclassing and instantiation */
    private DatabaseUtils() {}
     * Close a connection
     * @param connection to close
    public static void close(Connection connection)
        try
            if ((connection != null) && !connection.isClosed())
                connection.close();
        catch (SQLException e)
            logger.error("Could not close connection", e);
     * Close a statement
     * @param statement to close
    public static void close(Statement statement)
        try
            if (statement != null)
                statement.close();
        catch (SQLException e)
            logger.error("Could not close statement", e);
     * Close a result set
     * @param rs to close
    public static void close(ResultSet rs)
        try
            if (rs != null)
                rs.close();
        catch (SQLException e)
            logger.error("Could not close result set", e);
     * Close both a connection and statement
     * @param connection to close
     * @param statement to close
    public static void close(Connection connection, Statement statement)
        close(statement);
        close(connection);
     * Close a connection, statement, and result set
     * @param connection to close
     * @param statement to close
     * @param rs to close
    public static void close(Connection connection,
                             Statement statement,
                             ResultSet rs)
        close(rs);
        close(statement);
        close(connection);
     * Helper method that maps a ResultSet into a map of columns
     * @param rs ResultSet
     * @return map of lists, one per column, with column name as the key
     * @throws SQLException if the connection fails
    public static final Map toMap(ResultSet rs) throws SQLException
        List wantedColumnNames = getColumnNames(rs);
        return toMap(rs, wantedColumnNames);
     * Helper method that maps a ResultSet into a map of column lists
     * @param rs ResultSet
     * @param wantedColumnNames of columns names to include in the result map
     * @return map of lists, one per column, with column name as the key
     * @throws SQLException if the connection fails
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        throws SQLException
        // Set up the map of columns
        int numWantedColumns    = wantedColumnNames.size();
        Map columns             = new LinkedHashMap(numWantedColumns);
        for (int i = 0; i < numWantedColumns; ++i)
            List columnValues   = new ArrayList();
            columns.put(wantedColumnNames.get(i), columnValues);
        while (rs.next())
            for (int i = 0; i < numWantedColumns; ++i)
                String columnName   = (String)wantedColumnNames.get(i);
                Object value        = rs.getObject(columnName);
                List columnValues   = (List)columns.get(columnName);
                columnValues.add(value);
                columns.put(columnName, columnValues);
        return columns;
     * Helper method that converts a ResultSet into a list of maps, one per row
     * @param rs ResultSet
     * @return list of maps, one per row, with column name as the key
     * @throws SQLException if the connection fails
    public static final List toList(ResultSet rs) throws SQLException
        List wantedColumnNames = getColumnNames(rs);
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     * @param wantedColumnNames of columns names to include in the result map
     * @return list of maps, one per column row, with column names as keys
     * @throws SQLException if the connection fails
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        throws SQLException
        List rows = new ArrayList();
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        while (rs.next())
            Map row = new LinkedHashMap();
            for (int i = 0; i < numWantedColumns; ++i)
                String columnName   = (String)wantedColumnNames.get(i);
                Object value = rs.getObject(columnName);
                row.put(columnName, value);
            rows.add(row);
        return rows;
      * Return all column names as a list of strings
      * @param rs query result set
      * @return list of column name strings
      * @throws SQLException if the query fails
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        ResultSetMetaData meta = rs.getMetaData();
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        List columnNames = new ArrayList(numColumns);
        for (int i = 1; i <= numColumns; ++i)
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%

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