Tag: __EVENTARGUMENT

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__doPostBack and Object expected error

The best way to understand the working of the __doPostBack function is to dissect the function into small pieces and explore each piece one at a time.  Let us take a look at the function. <input type="hidden" name="__EVENTTARGET" id="__EVENTTARGET" value="" /> <input type="hidden" name="__EVENTARGUMENT" id="__EVENTARGUMENT" value="" /> function __doPostBack(eventTarget, eventArgument) { if (!theForm.onsubmit || (theForm.onsubmit() ...