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Hi I am using a popup control extender (ajax control) and have placed a .net
button on the panel that is displayed when the hyperlink is selected that is
the target control of the popup extender. When I double click on the button
in design view (it creates the method protected void Button1_Click(object
sender, EventArgs e)
{
}
but when I run the app and click on the button I get a runtime error
this._postBackSettings.async' is null or not an object and it never reaches
this method. Any Ideas, thanks?

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Paul G
Software engineer.