> You need to use javascript. Here is a cheesy example:
> THE SCRIPT
> <script>
> function checkFields() {
> theValue = document.forms[0].whatever.value;
> if (isNaN(theValue) == true) {
> alert("Whatever must be numeric!");
> document.forms[0].whatever.value = "";
> }
> }
Is there a way to make the Javascript talk with the java beans at the time
of JSP page creation? That is, suppose my bean has a list of valid values
for a field. I want the Javascript to check that a field when POSTed is one
of those valid values. How do I make the transfer of the information in the
java bean into an Array or the like in Javascript?
David
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