Please try
if(request.getParameter("<parameter_name>").equals(""))
{
//stuff
}
Hope this will help.
Dima.
Tony Leake wrote:
> Hi,
>
> I'm trying to test a parameter to see if it exists:
>
> on page 1 i have a form with a text field
>
> <input type="text" name="thread">
>
> on page 2 i want to test if the box was filled in and if it contains a
> string or a number. I can't even seem to test if thread is empty.
>
> I've tried
>
> if(request.getParameter("sub")=="")
> {
> //stuff
> }
> but that doesn't seem to do anything.
>
> thanks for any help
> Tony
>
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