Error Creating Control In Design View In Visual Studio 2010
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Error Creating Control Object Reference Not Set To An Instance Of An Object
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in the Design View in Visual Studio 2010 ★★★★★★★★★★★★★★★ April 15, 2010 by Web Development Tools Microsoft // 33 Comments 0 0 0 In VS 2010, if you are accessing the Session state in the OnInit(…) method of your page, similar to the following code snippet:
then you will encounter an “Error Creating Control” for ASP.NET controls when viewing the Design view ofError Creating Control Reportviewer
the page. For example, if you have an ASP.NET button control on the page, the designer will display the error: “Error Creating Control – Button1 Session state can only be used when enableSessionState is set to true, either in a configuration file or in the Page directive. Please also make sure that System. Web.SessionStateModule or a custom session state module is included in the
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Error Creating Control Object Reference In Visual Studio 2010
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