Overcoming Flickering in PopupExtenders

July 25th, 2008 by koolb | Filed under .NET, AJAX, ASP.NET, Programming, Web, Web Development.

When ASP.NET Ajax popup extenders are used sometime you may see a small flickering in the form. You can avoid this by hiding the panel used by the popup controls using the following code block

PanelPopupControl.Style.Add(“display”, “none”);

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