hi all.. i have a address.java file with a textField as PostCode. in that only number should accepted. if i try to enter characters in that it sould popup a message. these validation must be done in address.xml file only i tried by giving the validation as
<testcase>
<messageType>error</messageType>
<validationType>isDigit</validationType>
<validationRule>5</validationRule>
</testcase>
but its not working. plz anybody can help me in solving this