Database connection and display in JSP page
hi,
I am new to SAP netweaver. I have created a project using JSPDynPage, Beans and java file. I have configure the datasouce in Visual Composer. I deploy the project on the portal itself. I have try all kinds of codes bt cannot retrieve. Is there anyone can give a same codes for mi to connect to the datasource in Visual Composer and able to retrieve data, insert data and update data in SQL Server 2000. Thanks
Regards,
shixuan
Hai Shixuan,
Refer this link. I will helps
Access data from SqlServer through Visual Composer.....?
http://help.sap.com/saphelp_nw2004s/helpdata/en/fe/68e343cc68414da4426258d3e896ae/content.htm
Write this code wher you need in JSPDynPage
And
MSSQL DataBase Access -> Help me
Thanks and Regards
Venkatesh
Message was edited by:
Venkatesh Ranganathan
Message was edited by:
Venkatesh Ranganathan
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How to retrieve data and display in JSP page
hi,
i am trying to retrieve data from SQL server 2000 and display in JSP Page. I have already place the codes of the retrieve in the bean file. I wanna ask is that how to display in the JSP page. If possible, can provide example codings for mi to reference?
Thanks
Regards,
shixuanHI Tan ,
I pressume that you wanted to make use of PDK, the code can go like this .
<b><u>1) JAVA file</u></b>
import com.sapportals.htmlb.DropdownListBox;
import com.sapportals.htmlb.InputField;
import com.sapportals.htmlb.event.Event;
import com.sapportals.htmlb.page.DynPage;
import com.sapportals.htmlb.page.PageException;
import com.sapportals.portal.htmlb.page.JSPDynPage;
import com.sapportals.portal.htmlb.page.PageProcessorComponent;
import com.sapportals.portal.prt.component.IPortalComponentRequest;
import com.sapportals.portal.prt.component.IPortalComponentSession;
import com.sapportals.portal.prt.component.IPortalComponentContext;
import java.sql.*;
public class P_SAP_B_User extends PageProcessorComponent
* Method : getPage()
* Description :
* Input Parameters : None
* Returns : Object of Class DynPage
public DynPage getPage()
return new P_SAP_B_UserDynPage();
} // end of dynPage()
public static class P_SAP_B_UserDynPage extends JSPDynPage
/* Variable Declaration */
/* Object of bean class P_SAP_B_CreateUser initialised to null */
private P_SAP_B_CreateUser createUserBean = null;
/* Flags for checking the occurance of Event & Error. */
private int iFlag=0;
private int iErrFlag=0;
/* Variables for storing the information
entered by user in each text field */
private String sFname;
private String sSname;
private String sAge;
private String sExp;
private String sSkill;
private String sUnit;
* Method : doInitialization()
* Description :
* Input Parameters : None
* Returns : None
public void doInitialization()
IPortalComponentSession componentSession = ((IPortalComponentRequest)getRequest()).getComponentSession();
Object o = componentSession.getValue("createUserBean");
if(o==null || !(o instanceof P_SAP_B_CreateUser))
createUserBean = new P_SAP_B_CreateUser();
componentSession.putValue("createUserBean",createUserBean);
} // end of if
else
createUserBean = (P_SAP_B_CreateUser) o;
} // end of else
}//end of doInitialisation()
* Method : onUpdate()
* Description :
* Input Parameters : object of Event class
* Returns : None
public void onUpdate(Event e)throws PageException
/* sets flag to 1 when update button is clicked. */
iFlag=1;
* Method : doProcessAfterInput()
* Description :
* Input Parameters : None
* Returns : None
public void doProcessAfterInput() throws PageException
InputField ifFirstName = (InputField) getComponentByName("FirstName");
InputField ifSecondName = (InputField) getComponentByName("SecondName");
InputField ifAge = (InputField) getComponentByName("Age");
InputField ifExp = (InputField) getComponentByName("Exp");
InputField ifSkill = (InputField) getComponentByName("Skill");
DropdownListBox dlbUnit = (DropdownListBox) getComponentByName("Unit");
int iAge,iExp;
IPortalComponentRequest request = (IPortalComponentRequest) this.getRequest();
IPortalComponentContext myContext = request.getComponentContext();
P_SAP_B_CreateUser myNameContainer = (P_SAP_B_CreateUser) myContext.getValue("createUserBean");
if(ifFirstName != null)
this.sFname = ifFirstName.getValueAsDataType().toString() ;
} // end of if
if(ifSecondName!= null)
this.sSname = ifSecondName.getValueAsDataType().toString() ;
} // end of if
if(ifAge!= null)
this.sAge = ifAge.getValueAsDataType().toString() ;
} // end of if
if(ifExp!= null)
this.sExp = ifExp.getValueAsDataType().toString() ;
} // end of if
if(ifSkill != null)
this.sSkill = ifSkill.getValueAsDataType().toString() ;
} // end of if
if(dlbUnit != null)
this.sUnit = dlbUnit.getSelection().toString() ; ;
} // end of if
/* Data Validation */
/* try block for numeric Exception */
try
/* checking for any field left blank by the user */
if(sFname.equals("") || sSname.equals("") || sAge.equals("")|| sExp.equals("") || sSkill.equals(""))
/* set error flag to 1 in case of any field left blank */
iErrFlag=1;
} // end of if
else
/* converting Age and Experience fields (String) to integer */
iAge= Integer.parseInt(sAge);
iExp= Integer.parseInt(sExp);
/* setting the boundaries on the value in Age Field */
if(iAge<0)
/* set error flag to 2 in case of age below 0 */
iErrFlag=2;
}// end of if
/* setting the boundaries on the value in Experience field */
else if(iExp<0 ||(iExp/12)>=iAge)
/* set error flag to 3 in case of experience below 0 or exceeding the age in years */
iErrFlag=3;
}// end of else if
/* In case of no error */
else
/* setting the bean variables */
try
Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
Connection con = DriverManager.getConnection("jdbc:odbc:Test");
String query="insert into UserData values(?,?,?,?,?,?)";
PreparedStatement prestat=con.prepareStatement(query);
/* setting the values to be inserted into the user table */
prestat.setString(1,sFname);
prestat.setString(2,sSname);
prestat.setString(3,sAge);
prestat.setString(4,sExp);
prestat.setString(5,sSkill );
prestat.setString(6,sUnit);
prestat.executeUpdate() ;
prestat.close();
con.close();
myNameContainer.setSFname(sFname);
myNameContainer.setSLname(sSname);
myNameContainer.setSAge(sAge);
myNameContainer.setSExp(sExp);
myNameContainer.setSSkill(sSkill);
myNameContainer.setSUnit(sUnit);
} // end of inner try block
catch(Exception sqle)
myNameContainer.setErrMessage("Update failed ! Please try again." );
} // end of catch corresponding to inner try
} // end of inner else
} //end of outer else
} //end of outer try block
catch(Exception e)
/* setting flag to 4 in case of non-numeric age/experience values */
iErrFlag = 4;
/* Displaying error message corresponding to the value of error flag */
switch(iErrFlag)
/* Empty Field */
case 1:myNameContainer.setErrMessage( "Please Fill all the fields");
break;
/* Invalid Value in the age field */
case 2:myNameContainer.setErrMessage( "Enter a valid value in Age field.(Hint : Have you entered Age<0 ?");
break;
/* Invalid Value in the experience field */
case 3:myNameContainer.setErrMessage( "Enter a valid value in Experience field.(Hint : Experince should not be negative or greater than your age in months)");
break;
/* Non-numeric value in the Age/ experience fields */
case 4:myNameContainer.setErrMessage( "Please Enter Numeric Value for Age and Experience");
break;
} // end of switch-case block
} //end of doProcessAfterInput()
* Method : doProcessBeforeOutput()
* Description :
* Input Parameters : None
* Returns : None
public void doProcessBeforeOutput() throws PageException
/* Displays Form for new user creation by default */
this.setJspName("P_SAP_B_UserCreationForm.jsp");
/* In case of an error display an error message page */
if(iErrFlag!=0)
setJspName("ErrorPage.jsp");
} //end of if
/* Displays the user's information as entered in the SQL
database after its been uploaded by the user */
else if(iFlag==1)
setJspName("hello.jsp");
} // end of else if
} // end of doProcessBeforeOutput()
} // end of P_SAP_B_UserDynPage Class
} // end of P_SAP_B_User class
* End of File P_SAP_B_User.java
2) Bean
package com.sap.usercreation;
import java.io.Serializable;
public class P_SAP_B_CreateUser implements Serializable
private String sFname;
private String sLname;
private String sUnit;
private String sSkill;
private String sExp;
private String sAge;
private String errMessage;
* @return
public String getSFname() {
return sFname;
* @return
public String getSLname() {
return sLname;
* @param i
* @param string
public void setSFname(String string) {
sFname = string;
* @param string
public void setSLname(String string) {
sLname = string;
* @return
public String getSUnit() {
return sUnit;
* @param string
public void setSUnit(String string) {
sUnit = string;
* @return
public String getSSkill() {
return sSkill;
public void setSSkill(String string) {
sSkill = string;
* @return
public String getSAge() {
return sAge;
* @return
public String getSExp() {
return sExp;
* @param string
public void setSAge(String string) {
sAge = string;
* @param string
public void setSExp(String string) {
sExp = string;
* @return
public String getErrMessage() {
return errMessage;
* @param string
public void setErrMessage(String string) {
errMessage = string;
3) The Jsp file i have already posted.
See if you copy this code and paste it wont work as i have not given you full code ,But yes this gives you an overview of how things can be done .
Thanx
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From: Ben Pleysier <[email protected]>
To: Jon Lane <[email protected]>
Sent: Saturday, January 31, 2015 1:44 AM
Subject: OK now that there is no option to reveal "database" panel in DW CC, how do I create a database connection and build my phpmysql pages?
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