How can I close the current aspx web form?

Hi,

I've an asp.net web app in C#, and I want to have a button which will close the form, thus exiting the application.  Equivalent to the user clicking the X button.

In the button click event I've tried: btn_CloseForm.Attributes.Add("onclick","window.close('FormName.aspx');");

...however, nothing happens the first time this is clicked, and the second time its clicked a messagebox appears asking for confirmation that the user wants to close the form.  I need the form to close immediately on clicking the 'closeForm' button.

Thankyou.
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NAORCAsked:
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deepaknetCommented:
With a sample HTML like this,

<form>
   <input type="button" value="Close" onClick="self.window.opener='a';self.close();">
</form>

it does respond in a single click.

Did you check the following:

(*) Any other document.click event or event bubbling in effect?
(*) onDblClick being handled?
(*) MouseClick speed  (in Control Panel)
(*) An equivalent in <a onClick="alert('test')">test</a> to ensure that how many times the alert appears.
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deepaknetCommented:
window.close(); does not take any arguments.

BTW, a browser window opened by you can not be closed, without a browser warning. There are unsupported workarounds like setting a window.opener a value and then closing it.

Try this:

btnCloseForm.Attributes.Add("onClick","self.window.opener = 'a';self.close();");

(But this unsupported workaround may not be supported by future web browsers).
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NAORCAuthor Commented:
Cheers, this doees close the window without a warning, but only once the button has been clicked twice.  The first click causes a page reload, and the second click closes the page.

Is there a way to do this in one click?

Cheers.
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