Birt ParameterPage Parameters.

Hi Folks 
 
I've currently developed a birt report custom parameter page and i'm using button of type "image" as priority to send parameters to a report, the problem is when i click the submit button of type "image" i get an error saying f.RP_Merchant.value is null or is not an object but when i click a button of type "button" it sends parameters to a report and display it and a button of type "image" is a hyperlink. Please help is very agent. Thanking you in advance.Here is my code below: 
 
<%@ page language="java" contentType="text/html; charset=ISO-8859-1" pageEncoding="ISO-8859-1"%> 
<%@taglib uri="WEB-INF/tlds/birt.tld" prefix="birt" %> 
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "<a class='bbc_url' href='http://www.w3.org/TR/html4/loose.dtd">'>http://www.w3.org/TR/html4/loose.dtd"></a> 
<html> 
<head> 
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"> 
<title>AEDO SPF AND ADV COLLECTION REPORT</title> 
<link rel="stylesheet" href="style.css" type="text/css"/> 
 
 
<script language="javascript" type="text/javascript"> 
/* 
function validate_report_parameters() 
This function validates aedo spf and adv report parameters. 
*/ 
function validate_report_parameters(f){ 
 
var MERCHANTID = /^\d{6}$/; 
var REPORTTYPE = /[A-Z]/; 
var DATEFROM = /^\d{4}\d{1,2}\d{1,2}$/; 
var TODATE = /^\d{4}\d{1,2}\d{1,2}$/; 
var merchantid = f.RP_MerchantID.value; 
var reportType = f.RP_ReportType.value; 
var datefrom = f.RP_DateFrom.value; 
var todate = f.RP_ToDate.value; 
var errors = []; 
 
if (!MERCHANTID.test(merchantid)) 
{ 
errors[errors.length] = "You must enter a valid MERCHANT ID number."; 
} 
 
if (!REPORTTYPE.test(reportType)) 
{ 
errors[errors.length] = "You must select REPORT TYPE below you want to view."; 
} 
 
if (!DATEFROM.test(datefrom)) 
{ 
errors[errors.length] = "You must enter DATE FROM values below as (yyyymmdd)."; 
} 
 
if (!TODATE.test(todate)) 
{ 
errors[errors.length] = "You must enter TO DATE values below as (yyyymmdd)."; 
} 
bValidForm = true; 
if (errors.length > 0) 
{ 
reportErrors(errors); 
} 
else 
{ 
if (bValidForm == true) 
{ 
f.submit(); 
} 
} 
 
} 
 
function reportErrors(errors) 
{ 
var msg = "There were some problems...\n"; 
for (var i = 0; i < errors.length; i++) 
{ 
var numErrors = i + 1; 
msg += "\n" + numErrors + ". " + errors; 
} 
alert(msg); 
} 
 
</script> 
 
</head> 
<body> 
 
<birt:parameterPage 
id="aedo_spf_adv_report" 
name="spf_adv_report_page" 
reportDesign="aedo_spf_adv_summary_report.rptdesign" 
isCustom="true" 
pattern="frameset"> 
 
<form id="form1" name="form1"> 
<table border="0" align="center"> 
<tbody> 
<tr> 
<td>Merchant ID:</td> 
<td><birt:paramDef id="349" name="RP_MerchantID"/></td> 
</tr> 
<tr> 
<td>Report Type:</td> 
<td><birt:paramDef id="348" name="RP_ReportType"/></td> 
</tr> 
<tr> 
<td>Date From:</td> 
<td><birt:paramDef id="350" name="RP_DateFrom"/></td> 
</tr> 
<tr> 
<td>To Date:</td> 
<td><birt:paramDef id="351" name="RP_ToDate"/></td> 
</tr> 
<tr> 
<td></td> 
<td> 
<input type="image" src="images/button1.gif" name="Submit" onclick="validate_report_parameters(this.form);return false;"/> 
</td> 
</tr> 
<tr> 
<td> 
</td> 
<td> 
<input type="button" value="Submit" class="linkButton" onclick="validate_report_parameters(this.form);return false;"/> 
</td> 
</tr> 
<tr> 
<td> 
</td> 
<td> 
<a href="#" class="linkButton" onclick="validate_report_parameters(this);return false;" >Submit</a> 
</td> 
</tr> 
</tbody> 
</table> 
</form> 
</birt:parameterPage> 
</body> 
<script language="JavaScript" type="text/javascript"> 
// 
</script> 
 
</html>

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Virgil Dodson

Moving this topic to the Deploying with BIRT Engine forum