Hey mate,
Don't do this kind of comparison with Strings:
if (param == "")
The right form:
if (param.equals(""))
In the first way you're comparing memory address.
The second one compares the content of the String.
Basic rules, man!
Cheers!
--- "Kwan, William" <[EMAIL PROTECTED]> escreveu: > Hi
all,
>
> I'm passing information from a html page to a
> servlet.
>
> Here is some code:
>
> String param = request.getParameter("name");
> if (param == null) sqlstr = "Select * from name";
> else sqlstr ="Select * from name where fname like
> '"+param + "'";
>
> and
>
> if (param == "") sqlstr = "Select * from name";
> else sqlstr ="Select * from name where fname like
> '"+param + "'";
>
> These both dont detect the blank value when they
> click submit on the jsp
> page. It always goes to the else part.
>
> Am I doing something wrong?? Is there another way
> to detect if they entered
> any data in the field on the form??
>
> thanks,
> Will
>
>
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