What exactly is the result of the action ?
Why isn't it what you'd expect ?
On a side note, i believe you should test the
request.getParameter("categoy") for null values BEFORE assignig it to a
String.
>
> Hi, I have a jsp page called pager-jdbc.jsp, I don't know
> what's wrong with
> this select option that I did, I want when the user select an
> option the
> same jsp file is called with the category variable set to a
> different value
> .
> <%
> String requestUri = request.getRequestURI();
> int indexOfqm = requestUri.indexOf('?');
> if (indexOfqm != -1)
> requestUri = requestUri.substring(0, indexOfqm);
>
> String category = request.getParameter("category");
> %>
>
> <%
> if (category !=null)
> {
> category = (String)request.getParameter("flag");
> }
> else //If flag wasn't in the query string, set it to a default value.
> {
> category = "All"; //Fill in the default value here. I just
> used an empty
> string.
> }
> %>
>
> <center>
>
> <script language="JavaScript">
> function gotoFunction() {
> self.location =
> document.productGoto.productList.options[document.productGoto.
> productList.selectedIndex].value;
> }
>
> </script>
> <table width="90%" cellpadding="4">
> <tr>
> <td>
> <FORM NAME="productGoto">
> <FONT FACE="Arial,Helvetica" SIZE="-2">
> Select By Category:
> <SELECT NAME="productList" onChange="gotoFunction()" onBlur="return
> options[0].selected = true">
> <OPTION VALUE="">Select a Category
> <OPTION VALUE="<%= requestUri %>?category=All ">All Categories
> <OPTION VALUE="<%= requestUri %>?category=Computing ">Computing
> </SELECT>
> </FORM>
> </td>
> <td width="100%">
>
> </td>
> </tr>
> </table>
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