On Jul 28, 7:09 am, <pa...@community.nospam> wrote:
> Hi all,
>
> I have a CheckBoxList control which has about 10 items. I have set
> autopostback=true and also set an eventhandler for OnSelectedIndexChanged.
> The problem is I want to identify which checkbox item caused the event to
> fire to perform some routines based upon the value of that individual
> checkbox. How can I determine this? For example, 5 of the 10 items maybe
> checked. However, when I uncheck one, I want to perform some code based upon
> the value of just that 1 checkbox that fired the event.
>
> TIA!

"Riki" <riki@dontnagme.com> wrote in message
news:e7DTFuR0HHA.3400@TK2MSFTNGP03.phx.gbl...
> param@community.nospam wrote:
>> Hi all,
>>
>> I have a CheckBoxList control which has about 10 items. I have set
>> autopostback=true and also set an eventhandler for
>> OnSelectedIndexChanged. The problem is I want to identify which
>> checkbox item caused the event to fire to perform some routines based
>> upon the value of that individual checkbox. How can I determine this?
>> For example, 5 of the 10 items maybe checked. However, when I uncheck
>> one, I want to perform some code based upon the value of just that 1
>> checkbox that fired the event.
>
> You can't identify which checkbox caused the event to fire, because
> several may be selected, and the control doesn't keep track of which one
> was changed (it does keep track internally, but it doesn't let you know).
>
> You'll have to store the list of selected items before the postback in
> ViewState, and compare this with the selected items after postback.
>
> Another option might be to replace the checkboxlist with a set of separate
> checkboxes, and link them all to the same OnCheckedChanged handler. The
> first parameter of the event handler (sender) will refer to the checkbox
> that caused the postback.
>
> --
>
> Riki
>

param@community.nospam wrote:
> Hi all,
>
> I have a CheckBoxList control which has about 10 items. I have set
> autopostback=true and also set an eventhandler for
> OnSelectedIndexChanged. The problem is I want to identify which
> checkbox item caused the event to fire to perform some routines based
> upon the value of that individual checkbox. How can I determine this?
> For example, 5 of the 10 items maybe checked. However, when I uncheck
> one, I want to perform some code based upon the value of just that 1
> checkbox that fired the event.