Asynchronous DataShow in Asp.Net 2.0 will improve capability of the page. This tutorial will show you how to create Asynchronous DataShow in ASP.Net 2.0 and VB.NET.

First we should add Async=”true” in the <%page > code.Then we use function Page. AddOnPreRenderCompleteAsync to register a function begin and function end.we use label control to show the title of table titles.

Custom function BeginAsyncOperation ,EndAsyncOperation and Page_PreRenderComplete

The front page of Default.aspx

The whole code behind front page:

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