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7.6

Dynamic form processing in struts

Asked by anilgalve in Java Server Pages (JSP)

Tags: struts, dynamic, forms

Hi all,
 I need your help regarding dynamic form elements processing & validations.

Here is my JSP Script,

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<%@ taglib uri="/WEB-INF/struts-html.tld" prefix="html"%>
<%@ taglib uri="/WEB-INF/struts-bean.tld" prefix="bean"%>
<html:html>
<HEAD>
<%@ page language="java" contentType="text/html; charset=ISO-8859-1"
      pageEncoding="ISO-8859-1"%>
<TITLE>Processing Dynamic Forms</TITLE>

<script type="text/javascript">
//function which adds new row
function AddRow()
{
      tb=document.getElementById("demo");
      // attach counter
      lnrows = tb.rows.length;
      //alert(lnrows);
      newrow = tb.insertRow(lnrows);
      
      var fourth_col = "amt"+lnrows;
      cell3=newrow.insertCell(0);
      cell3.innerHTML="<center><input type='text' id='"+fourth_col+"' name='"+fourth_col+"' size='10'/></center>";
      
      document.getElementById("cntr").value = lnrows;
}

// function to delete row
function DeleteRow()
{
      tb=document.getElementById("demo");
      lnrows = tb.rows.length;
      //alert(lnrows);
      if(lnrows > 2)
      {
            tb.deleteRow(lnrows-1);
            document.getElementById("cntr").value = tb.rows.length - 1;
      }
}
</script>
</HEAD>

<BODY>
<html:form action="/dynaActions">
<TABLE id='demo' align='center' width='80%' border='1'>
<TR>
      <TH width='25%'>Party Name</TH>
</TR>
<TR>
      <TD align='center'><input type='text' id="party1" name="party1" size="30" /></TD>
</TR>
</TABLE>


<TABLE align='center' width='80%' border='0'>
<TR align="right">
<td>

      <html:button property="Add" value="Add" onclick="AddRow();" ></html:button>
      <html:button property="Remove"  value="Remove" onclick="DeleteRow();"></html:button>

</td>
</TR>

<TR align="center">
<td>
      <input type='hidden' id="cntr" name="cntr" value="1" />
      <html:submit/>
</td>
</TR>
</TABLE>

</html:form>

</BODY>
</html:html>

  As you seen there is dynamically form elements generated as many as required. Now how do I process this with ActionForm & Action in order to get me all the data properly?

Regards,
Mahesh
 
Keywords: Dynamic form processing in struts
Title
1 Basic struts
2 Struts in JSP
3 Dynamically generating a table(that co…
4 struts how to use dynamic key
5 Learn Struts.. prt 2
6 Dynamically specifying array of beans.
 
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About this solution

Zone: Java Server Pages (JSP)
Tags: struts, dynamic, forms
Sign Up Now!
Solution Provided By: jaggernat
Participating Experts: 2
Solution Grade: A
 
 
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