C# AJAX UpdateProgress Block Screen Popup

ASP.NET AJAX is a powerful tools that you can utilize, many feature that can bring the power of your interactive desktop to your web browser. In this blog I’m will be showing you how to create a Popup with block screen when execute a time consuming function that relay on the server-side, this is done by using the standard ASP.NET AJAX using the UpdateProgress that is associate with an UpdatePanel.