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[Solved] There is already an open DataReader associated with this Connection which must be closed first

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Sergey Popov
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Sergey Popov asked on 18 Mar 2011, 03:07 AM
Hello.

I am evaluating the Telerik MVC Q1 2011. I try use grid with Ajax Binding, just as it is described in the manual. One page, one grid. When
I work with SQL Server Nothwind database, all work fine. When I work with like MySQL database, I have exception in Ajax data request:  "There is already an open DataReader associated with this Connection which must be closed first".
But I not open other connection and work fine with this database without Telerik Grid. Same error with Q3 2010 version of controls.
I use MVC3, .NET 4, MySQL 5.1.30, .NET Connector 6.3.6.
Any help or advise is appreciated.

Thanks


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