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Qin Dian Tan...

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Re: Prevent double booking...

May 08, 2012 08:10 AM|LINK

Hi,

I suggest you use SqlDataSource control with setting ConflictDetection:

http://www.asp.net/web-forms/tutorials/data-access/accessing-the-database-directly-from-an-aspnet-page/implementing-optimistic-concurrency-with-the-sqldatasource-vb

Thanks,

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- Marked as answer by Qin Dian Tang - MSFT on May 11, 2012 02:37 AM