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YOU ARE HERE: HOME Questions How to identify which control caused Postback

Identifying the control caused PostBack

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How to identify which control caused Postback?

Answer 1)

Below code will help you to identify the control which caused the postback.
The name of the control which caused the postback will be set in
__EVENTTARGET by  __doPostBack JavaScript function before the form is
submitted.

string ctrlname = page.Request.Params.Get("__EVENTTARGET");
if (ctrlname != null && ctrlname != string.Empty)
{
    return this.Page.FindControl(ctrlname);
}
  Asked in:  TCS (Tata Consultancy Services)   Expertise Level:  Intermediate
  Last updated on Tuesday, 12 March 2013
2/5 stars (18 vote(s))

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