How to develop portal application connecting to SAP R/3(backend system)

Hello Everyone,
Can anyone guide me on how to create portal aplication(JSPDYNPAGE), that will connect to backend SAP R/3 system, & it will fetch the data from some table from that R/3 system. Any reference material will be appriciated, it will be of great help.
Thanks
Chetan.

Hi Chetan,
Connection to R/3 systems through Portal can be done in many ways. Since you have mentioned that you are using jspdynpage then its better that you use JCo for connecting to R/3 system.
U can write the JCo code using the jspdynpage component. I hope you have pdfs related to JCO. Incase u dont have then give me you mail id. OK
Another approach could be developing a web dynpro java application that access a r/3 table using a BAPI. You can a dynpro model to easily connect to R/3 system.
Just develop an iview based on this web dynpro application. And finally navigate to this iview through your jspdynpage.
I hope this helps you in some way
Regards,
Prasanna

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How to make Portal Application for connecting to SAP R/3(backend system)

Hello Experts,
I need to create a portal application that should connect to SAP R/3 & fetch some data in some table according to some input parameters provided at runtime & display the data in TABLEVIEW control.
Anyone can guide me on this i:e- how to go about it. What things i should know or should be aware of before creating this application. Any PDF documents , any help material, any guidance about the same will be of great help.
Thanks,
Chetan

Chetan,
Webdynpro & Visual Composer ars EP Development Tools.
If you only display BAPI data then go for Visual Composer with requires no coding So I suggest you to go for Visual Composer.
You can also use Webdynpro Java or ABAP to display BAPI data by creating
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http://help.sap.com/saphelp_erp2005/helpdata/en/a5/1a1e3e7181b60ae10000000a114084/frameset.htm
http://help.sap.com/saphelp_erp2005/helpdata/en/15/0d4f21c17c8044af4868130e9f
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Portal application connecting backend SAP R/3 system

Hi All,
 I am developing one portal application through NWDS. It's JSPDYNPage component.The applications functionality is basicaly is to connect it to backend SAP R/3 system & fetch some data in aparticular table & display that data in a tableview format on one JSP& also when i click any row of the tableview then details of that row should get displayed on the next JSP. So i reached till develpoing a code that connnects to Backend SAP R/3.(Basicaly coding of connection part is done). Now i need to test this code, to check whether it is fine or not? NWDS doesnt give nay error, not compile also or not runtime error also. It simply shows the output as a blank page, where it is supposed to display one line of text in textview(i coded this in my JSP).But as i said it displays a blank page. i tried to debug the application , but debugging also not worked.I performed the debugging twice in right way. The code was not debugged, it run the same way as it normally runs when debugging is off & shown the blank page. I also have done all the the settings or prerequisites for debugging properly. I am stuck at this point now.search many documents , but no relevant help has been received. Can anyonehlep me with this. i am putting below the code for JSP, JSPDYNPAGE component as well as portalapp.xml. Can anyone guide me with this, whhere i am making mistake? what should i change in this?
JSPDYNPAGE code
package com.lti.portal;
//import java.util.ArrayList;
import com.sapportals.htmlb.*;
import com.sapportals.htmlb.enum.*;
import com.sapportals.htmlb.event.*;
import com.sapportals.htmlb.page.*;
import com.sapportals.portal.htmlb.page.*;
import com.sapportals.portal.prt.component.*;
import java.util.ArrayList;
import com.sap.mw.jco.IFunctionTemplate;
import com.sap.mw.jco.JCO;
import com.sun.corba.se.internal.core.Response;
public class Connection_R3 extends PageProcessorComponent {
public DynPage getPage(){
return new Connection_R3DynPage();
public static class Connection_R3DynPage extends JSPDynPage{
private Conn_R3 myBean = null;
public JCO.Client mConnection;
public JCO.Repository mRepository;
public ArrayList al = new ArrayList();
public String output;
public String Ans;
public static String BEAN_KEY="myBean";
public void doInitialization(){
IPortalComponentRequest request =(IPortalComponentRequest) this.getRequest();
IPortalComponentContext context = request.getComponentContext();
IPortalComponentProfile profile = context.getProfile();
//create & initialize the bean.
Conn_R3 test_bean= new Conn_R3();
test_bean.setans("3");
// put the bean into application context.
context.putValue(BEAN_KEY,test_bean);
conn();
//IPortalComponentResponse res = (IPortalComponentResponse)this.getResponse();
//for(int i=0;i<al.size();i++)
//res.write(" "+al.get(i).toString());
public void doProcessAfterInput() throws PageException {
public void doProcessBeforeOutput() throws PageException {
this.setJspName("Connection_R3.jsp");
public ArrayList conn() {
IPortalComponentRequest request =(IPortalComponentRequest) this.getRequest();
IPortalComponentContext context = request.getComponentContext();
IPortalComponentProfile profile = context.getProfile();
Conn_R3 sample_bean = new Conn_R3();
sample_bean.setans("5");
//context.putValue(BEAN_KEY, sample_bean);
//r3-accessing
//connect_to_r3();
try {
// Change the logon information to your own system/user
mConnection = JCO.createClient("800", // SAP client
"********", // userid
"******", // password
null, // language
"*******", // application server host name
"**"); // system number
mConnection.connect();
//System.out.println(mConnection.getAttributes());
mRepository = new JCO.Repository("ABC", mConnection);
} catch (Exception ex) {
ex.printStackTrace();
System.exit(1);
JCO.Function function = null;
JCO.Table codes = null;
try {
function = this.createFunction("ZSAMPLE");
if (function == null) {
System.out.println("ZSAMPLE" + " not found in SAP.");
System.exit(1);
String num1 = "7";
String num2 = "9";
//String ans;
function.getImportParameterList().setValue(num1,"My_import");
function.getImportParameterList().setValue(num2, "My_Import");
mConnection.execute(function);
Object name =function.getExportParameterList().getValue(Ans);
output=name.toString();
sample_bean.setans(output);
//sample_bean.setans(output)
//al.add(name);
//store values into strings
//pushing of values we get from r3 into awt
} catch (Exception ex) {
ex.printStackTrace();
System.exit(1);
disconnect_r3();
return al;
public void connect_to_r3() {
public JCO.Function createFunction(String name) throws Exception {
try {
IFunctionTemplate ft =
mRepository.getFunctionTemplate(name.toUpperCase());
if (ft == null)
return null;
return ft.getFunction();
} catch (Exception ex) {
throw new Exception("Problem retrieving JCO.Function object.");
public void disconnect_r3() {
mConnection.disconnect();
//**********************Code for BEAN****************************
package com.lti.portal;
import java.io.Serializable;
public class Conn_R3 implements Serializable {
public String answer;
public void setans(String a)
answer=a;
public String getans()
return answer;
///////////////////////Code for JSP*****************************
><%@ taglib uri= "tagLib" prefix= "hbj" %>
<jsp:useBean id="myBean" scope="application" class="com.lti.portal.Conn_R3" />
<hbj:content id="myContext" >
<hbj:page title="PageTitle">
<hbj:form id="myFormId" >
<hbj:textView
id="Welcome_message"
text="<%=myBean.getans()%>"
design="STANDARD" >
</hbj:textView>
</hbj:form>
</hbj:page>
</hbj:content>
/////////////////////////////////Portalapp.xml*****************************************
application>
<application-config>
 <property name="PrivateSharingReference" value="com.sap.portal.htmlb"/>
</application-config>
<components>
 <component name="Address_comp">
 <component-config>
 <property name="ClassName" value="com.lti.portal.Address_comp"/>
 </component-config>
 <component-profile>
 <property name="tagLib" value="/SERVICE/htmlb/taglib/htmlb.tld"/>
 </component-profile>
 </component>
</components>
<services/>
</application>

Hi,
 Do onething, please refer this <a href="http://www.i-barile.it/SDN/JCoTutorial.pdf">JCo Tutorial</a> as well as <a href="http://www.apentia-forum.de/viewtopic.php?t=1962&sid=9ac1506bdb153c14edaf891300bfde25">Link</a> also.
Regards,
Venkatesh. K
/* Points are Welcome */

Portal application connecting to backend R/3 system

Hi All,
 i am developing one portal application through NDS(Netweaver Developer Studio) that connects to backend SAP R/3 system & fetches some data in R/3 system. I started working on it & developed some code, which i want to test whether it is working fine or not.I:e- code to connect to SAP R/3, but when i run the application it doesnt give any error but also it doesnt show any output which it should display(value of output parameter of RFC). Below is the code for component, code for JSP & code for bean. Can any one tell me what is the error in this? or why i am not getting the output i desired. All the connection parameters supplied in the coding are correct. Now below i mentioned these parameters as *, bt in actual i have mentioned them correct. I checked them twice, they are fine.
Code for Component
[code]package com.lti.portal;
//import java.util.ArrayList;
import com.sapportals.htmlb.*;
import com.sapportals.htmlb.enum.*;
import com.sapportals.htmlb.event.*;
import com.sapportals.htmlb.page.*;
import com.sapportals.portal.htmlb.page.*;
import com.sapportals.portal.prt.component.*;
import java.util.ArrayList;
import com.sap.mw.jco.IFunctionTemplate;
import com.sap.mw.jco.JCO;
import com.sun.corba.se.internal.core.Response;
public class Connection_R3 extends PageProcessorComponent {
public DynPage getPage(){
 return new Connection_R3DynPage();
public static class Connection_R3DynPage extends JSPDynPage{
 private Conn_R3 myBean = null;
 public JCO.Client mConnection;
 public JCO.Repository mRepository;
 public ArrayList al = new ArrayList();
 public String output;
 public String Ans;
 public static String BEAN_KEY="myBean";
 public void doInitialization(){
 IPortalComponentRequest request =(IPortalComponentRequest) this.getRequest();
 IPortalComponentContext context = request.getComponentContext();
 IPortalComponentProfile profile = context.getProfile();
 //create & initialize the bean.
 Conn_R3 test_bean= new Conn_R3();
 test_bean.setans("3");
 // put the bean into application context.
 context.putValue(BEAN_KEY,test_bean);
 conn();
 //IPortalComponentResponse res = (IPortalComponentResponse)this.getResponse();
 //for(int i=0;i<al.size();i++)
 //res.write(" "+al.get(i).toString());
 public void doProcessAfterInput() throws PageException {
 public void doProcessBeforeOutput() throws PageException {
 this.setJspName("Connection_R3.jsp");
 public ArrayList conn() {
 IPortalComponentRequest request =(IPortalComponentRequest) this.getRequest();
 IPortalComponentContext context = request.getComponentContext();
 IPortalComponentProfile profile = context.getProfile();
 Conn_R3 sample_bean = new Conn_R3();
 sample_bean.setans("5");
 //context.putValue(BEAN_KEY, sample_bean);
 //r3-accessing
 //connect_to_r3();
 try {
 // Change the logon information to your own system/user
 mConnection = JCO.createClient("800", // SAP client
 "********", // userid
 "******", // password
 null, // language
 "*******", // application server host name
 "**"); // system number
 mConnection.connect();
 //System.out.println(mConnection.getAttributes());
 mRepository = new JCO.Repository("ABC", mConnection);
 } catch (Exception ex) {
 ex.printStackTrace();
 System.exit(1);
 JCO.Function function = null;
 JCO.Table codes = null;
 try {
 function = this.createFunction("ZSAMPLE");
 if (function == null) {
 System.out.println("ZSAMPLE" + " not found in SAP.");
 System.exit(1);
 String num1 = "7";
 String num2 = "9";
 //String ans;
 function.getImportParameterList().setValue(num1,"My_import");
 function.getImportParameterList().setValue(num2, "My_Import");
 mConnection.execute(function);
 Object name =function.getExportParameterList().getValue(Ans);
 output=name.toString();
 sample_bean.setans(output);
 //sample_bean.setans(output)
 //al.add(name);
 //store values into strings
 //pushing of values we get from r3 into awt
 } catch (Exception ex) {
 ex.printStackTrace();
 System.exit(1);
 disconnect_r3();
 return al;
 public void connect_to_r3() {
 public JCO.Function createFunction(String name) throws Exception {
 try {
 IFunctionTemplate ft =
 mRepository.getFunctionTemplate(name.toUpperCase());
 if (ft == null)
 return null;
 return ft.getFunction();
 } catch (Exception ex) {
 throw new Exception("Problem retrieving JCO.Function object.");
 public void disconnect_r3() {
 mConnection.disconnect();
Code for BEAN
package com.lti.portal;
import java.io.Serializable;
public class Conn_R3 implements Serializable {
 public String answer;
 public void setans(String a)
 answer=a;
 public String getans()
 return answer;
Code for JSP
<%@ taglib uri= "tagLib" prefix= "hbj" %>
<jsp:useBean id="myBean" scope="application" class="com.lti.portal.Conn_R3" />
<hbj:content id="myContext" >
<hbj:page title="PageTitle">
 <hbj:form id="myFormId" >
 <hbj:textView
 id="Welcome_message"
 text="<%=myBean.getans()%>"
 design="STANDARD" >
 </hbj:textView>
 </hbj:form>
</hbj:page>
</hbj:content>

Hi Chetan,
Connection to R/3 systems through Portal can be done in many ways. Since you have mentioned that you are using jspdynpage then its better that you use JCo for connecting to R/3 system.
U can write the JCo code using the jspdynpage component. I hope you have pdfs related to JCO. Incase u dont have then give me you mail id. OK
Another approach could be developing a web dynpro java application that access a r/3 table using a BAPI. You can a dynpro model to easily connect to R/3 system.
Just develop an iview based on this web dynpro application. And finally navigate to this iview through your jspdynpage.
I hope this helps you in some way
Regards,
Prasanna

Portal application connect SQL Database

Hi all,
I'm newbie in SAP Portal. Now, I've created a new system which connects to SQL Database. Now I want to write a small portal application in Netweaver developer studio, using JSP Dynpage, and retrieve data from this SQL database. Could you please help me or show me the step by step documents to write this example ?
Thank you very much.

Hi Tweety,
SAP NetWeaver Portal comes with some standard iView templates that can be used to access data stored in databases.
Check <a href="http://help.sap.com/saphelp_nw2004s/helpdata/en/f5/eb51610e6a11d7b84900047582c9f7/frameset.htm">SAP Library</a> for more information.
Best regards,
Martin

How to Develop New Application in CRM

Hi all,
I need your help to guide me in deciding which transactions, customization and/or development tools that i should use for developing new application in CRM to replace an existing web based application?
The following steps are some the current system business processes:
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2. Click Generate a Request
3. Fill all requirement information on the form which contains user specific fields
4. Click save, system will save the request form with status Issued and generate a control number and display it.
8. User can print the form by clicking Print Information.
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10. Once the approver receives the notification, he can log in to the system and approve/reject the request.
11. Once done, a notification e-mail will be sent to the selected the requestor.
12. User can print the form by clicking Print Information.
Also, the new application needs to enable the user to add/review/update attachments, keep tracking of histories, add note and to have other CRM features.
Please note that last year we developed many portal applications using Web Dynpro for Java and all applications are working fine. However, our management want us to use CRM system as a solution to migrate this web application to SAP.
Thanks in advance for your help.

Hello Ali,
1. do the requester and approver users have Portal and CRM accounts?
2. What CRM and Portal Version do you use?
3. Is there any decission made which CRM Frontend you should use: PC-UI, IC Web Client, SAP GUI for Windows, Mobile Sales?
Regards
Gregor

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