Thomas,
The checkbox behavior is surprising, but normal.....
You can use the following code to retrieve the values:
String[] frmCourseKey = req.getParameterValues("check_box"); //This is
the parm name
for (int i = 0;i < frmCourseKey.length; i++)
{
String courseKey = frmCourseKey[i]
Do the rest of your processing with the value......
}
Good luck,
John
Thomas To wrote:
>
> Hi all,
>
> I'm writing a servlet to get input values from an HTML form and put them
> into the database. I use both input type="text" and input
> type="checkbox". In the servlet makes call to
> ServletRequest.getParameterNames() and ServletRequest.getParameter() to
> retrieve all the parameters and their values. I realize that for all
> text type, if nothing is put in, the parameter name will be return and
> the value is an empty string. However, for checkbox type, if all
> checkboxes are unchecked, getParameterNames() will not even return the
> parameter name. Is this normal? Is there any way that
> getParameterNames() will return the parameter name with empty string
> like the text type?
>
> Can anyone give me some info on this?
>
> Thanks.
>
> - Thomas -
>
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