asp.net - Can't set focus on TextBox inside detailsview -

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the detailsview.findcontrol("textbox1") returns me correct textbox want set focus setting focus using of following ways not work

  1. (textbox)detailsview.findcontrol("textbox1").focus()
  2. page.setfocus("textbox1");
  3. got id of textbox viewing page source , setfocus on that.
  4. made sure detailsview in edit/insert mode before focus set.

none of above has worked, stuck.

note - works if detailsview inside panel not working inside tabpanel

instead of

(textbox)detailsview.findcontrol("textbox1").focus();

try

scriptmanager.registerstartupscript(this, this.gettype(), "setfocus", "document.getelementbyid('" + (textbox)detailsview.findcontrol("textbox1").clientid + "').focus();", true);

update

here's approach uses scriptmanager:

textbox textbox = (textbox)detailsview.findcontrol("textbox1"); scriptmanager.getcurrent(this).setfocus(textbox);

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