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Form submit using Indexed properties -Struts

 
Greenhorn
Posts: 3
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I need help in submitting a form which uses Indexed properties of Struts.

The ActionForm is Like this:

public class TestsupplementForm extends ValidatorActionForm {


private StringCaseKey;
/*
other properties goes here
*/


private LabResults[] data;



public LabResults[] getData() {
return vani;
}

public void setData(LabResults[] data) {
this.data = data;
}
}


public class LabResults {


private StringDiseaseGroup ;
private StringDisease_Code;


public String getDisease_Code() {
return Disease_Code;
}

public void setDisease_Code(String disease_Code) {
Disease_Code = disease_Code;
}

public String getDiseaseGroup() {
return DiseaseGroup;
}

public void setDiseaseGroup(String diseaseGroup) {
DiseaseGroup = diseaseGroup;
}

}

The Struts Config entry is like this:
<form-bean name="TestSupplement" type="TestsupplementForm "></form-bean>

<action name="TestSupplement" path="/testSupplement" scope="request" type="TestAction" parameter="method" validate="false">
<forward name="testSupplAddRow" path="/testSupplement.do?method=doAddLab" />
</action>

I am able to display my dynamic form which goes like this
<html>
<head>
<title>Communicable Disease Electronic Surveillance System</title>
</head>
<link rel="stylesheet" type="text/css" href="jsp/css/cdess.css">
<body class="BodyFont" >
<form name="TestSupplement" method="POST" action="/testSupplement.do" enctype="application/x-www-form-urlencoded">

<input type="text" name="data[0].diseaseGroup" value="31">

<input type="text" name="data[1].diseaseGroup" value="31">

<input type="text" name="data[2].diseaseGroup" value="31">

<input type="submit" name="method" accesskey="S" value="doAddLab">
</form>

</body>
</html>

When I submit my page using addLab I get the following error:
java.lang.NullPointerException
at org.apache.commons.beanutils.PropertyUtils.getIndexedProperty(PropertyUtils.java:515)
.............................

Your help is greatly appreciated.
[ June 20, 2005: Message edited by: Vani Bandargal ]
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