You're making it much more complex than it needs to be, besides the
fact that your posted code doesn't make much sense as that "return
qty" isn't returning the value anywhere
$("#parameters").change(function () {
var values = $(this).val() || [];
$("#qty").val(values.length;
})
On Nov 25, 8:49 am, Sai Krishna <[EMAIL PROTECTED]> wrote:
> Hi,
>
> I'm a newbie to Jquery. I wrote the following function for multi
> select
> var quantity =0;
> $("#parameters").click(function () {
> var qty = 0;
> $("#parameters option:selected").each(function () {
> qty = qty+1;
> });
> $("#qty").val(qty);
> return qty;
>
> })
>
> and the multi select list box with the following code
>
> <select name='parameters' id='parameters' multiple='multiple' >
> <option value='2' >value2</option>
> <option value='1' >value1</option>
> <option value='3' >value3</option>
> </select>
>
> This updates a hidden form variable quantity. Now I changed to name
> "parameters" to "parameters[]".
>
> The function seems to be not working. Probably I need to length I
> tried $("#parameters length()"). This seems to be not working. Can
> somebody help me?
