Error Rendering Control Session State
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Error Creating Control Object Reference Not Set To An Instance Of An Object
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Error Creating Control Failed To Create Designer
at Microsoft. Controls State: "Error Creating Control" 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 error creating control telerik Creating Control” for ASP.NET controls when viewing the Design view of 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 thehere for a quick overview of the site Help Center Detailed answers to any questions you might have Meta Discuss the workings and policies of this site About Us
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or posting ads with us Stack Overflow Questions Jobs Documentation Tags Users Badges Ask Question x Dismiss Join the Stack error creating control gridview1 Overflow Community Stack Overflow is a community of 4.7 million programmers, just like you, helping each other. Join them; it only takes a minute: Sign up ASP.NET master page error up vote 1 https://blogs.msdn.microsoft.com/webdev/2010/04/15/controls-state-error-creating-control-in-the-design-view-in-visual-studio-2010/ down vote favorite The master page is getting called twice. Once after the full page is rendered. At this time isPostback value is false and SESSION is null. protected void Page_Load(object sender, EventArgs e) { if (!IsPostBack) { //SOME CODE try { strUserId = Session[USERID].ToString(); } catch { Response.Redirect("error.aspx"); } } } For the first page load of master page (before rendering of page) everything is fine. http://stackoverflow.com/questions/11951772/asp-net-master-page-error After rendering again page_load of master page is called. This time accessing SESSION is giving an exception: HttpException (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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from GoogleSign inHidden fieldsBooksbooks.google.com - This certification exam measures the ability to develop and implement Web-based applications with Web forms, ASP.NET, and the Microsoft .NET Framework. This exam counts as an core credit toward the new MCAD (Microsoft Certified Application Developer) certification as well as a core credit toward the...https://books.google.com/books/about/Developing_and_Implementing_Web_Applicat.html?id=QEZejvH8HJQC&utm_source=gb-gplus-shareDeveloping and Implementing Web Applications with Visual Basic .NET and Visual Studio .NETMy libraryHelpAdvanced Book SearchGet print bookNo eBook availableQue PublishingAmazon.comBarnes&Noble.com - $34.00Books-A-MillionIndieBoundFind in a libraryAll sellers»Get Textbooks on Google PlayRent and save from the world's largest eBookstore. Read, highlight, and take notes, across web, tablet, and phone.Go to Google Play Now »Developing and Implementing Web Applications with Visual Basic .NET and Visual Studio .NETMike Gunderloy, Ed TittelQue Publishing, 2003 - Computers - 579 pages 0 Reviewshttps://books.google.com/books/about/Developing_and_Implementing_Web_Applicat.html?id=QEZejvH8HJQCThis certification exam measures the ability to develop and implement Web-based applications with Web forms, ASP.NET, and the Microsoft .NET Framework. This exam counts as an core credit toward the new MCAD (Microsoft Certified Application Developer) certification as well as a core credit toward the existing MCSD .NET certification. This book is not intended to teach new material. Instead it assumes that you have a solid foundation of knowledge but can use a refresher on important concepts as well as a guide to exam topics and objectives. This book focuses exactly on what you need to pass the exam - it features test-taking strategies, time-saving study tips, and a special Cram Sheet that includes tips, acronyms, and memory joggers not available anywhere else. The series is supported online at several Web sites: examcram.com, informit.com, and cramsession.com. The accompanying CD features PrepLogic™ Practice Tests, Preview Edition. This product includes one complete PrepLogic Practice Test with approximately the same number of questions found on the actual vendor exam. Each question contains full, detailed explanations of the correct and incorrect answers. The engine offers two study modes, Practice Test and Flash Review, full exam cu