Error Creating Control Telerik Visual Studio 2010
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Framework Debugging Fiddler JustDecompile JustTrace Reporting & Data Access Reporting Report Server Data Access DEPLOYMENT Modulus Mobile App Development Telerik Platform AppBuilder Analytics Backend Services Testing Test Studio Mobile Testing API Testing Digital Content error creating control object reference not set to an instance of an object & Experience Progress Sitefinity CMS Progress Sitefinity Digital Experience Cloud ENTERPRISE FREE TRIALS PRICING SUPPORT & LEARNING ABOUT US YOUR ACCOUNT Search Your Account Telerik Platform Telerik Forums / UI for ASP.NET AJAX Forum / General Discussions / Error Creating Control solution found! Cancel The title field is required! UI for ASP.NET AJAX Resources Buy Try Feed for this thread 5 posts, 0 answers King Wilder 240 posts Member since: Oct 2007 Posted 17 Jan error creating control reportviewer 2012 Link to this post I just found this nasty error this morning, for what seemed like no reason. And I found a solution that worked for me, but it might not be readily available to fix for everyone, I'll explain. I've attached two screenshots, a before and after that displays my Visual Studio 2010 Design Views with the errors and the fixed result. The part that helped me figure it out was with the RadScheduler. It displayed a much more helpful message that helped me find the solution. If you notice in the "error" screen shot the RadTreeView and RadMenu controls do not display anything but the error message. But when I dragged a RadScheduler on the page, it displayed amuch more helpful message. Since I had just upgraded my ASP.NET AJAX controls to the latest version yesterday, the local cached version was still the prior version. This is what caused the errors. So here's what I did: Close Visual Studio Navigate to the location of the older Telerik assembly Delete it Open Visual Studio - and everything works! If you don't see a message that shows the path of the problem assembly, try dragging a RadScheduler onto the page to see if that shows the details paths. Edit - 1/23/2012 This problem seemed to persist in later days, and I
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UI for ASP.NET AJAX Resources Buy Try Feed for this thread 13 posts, 1 answers Rob 23 posts Member since: Jul 2008 Posted 27 Aug 2008 Link to this post Something strange is happening with a RadMenu control on my page that was previously working just fine. Here's my menu code: digital channels at scale Software Quality Test Studio Release better quality software faster Individual Products DevTools Web UI for ASP.NET AJAX UI for ASP.NET MVC UI for ASP.NET Core UI for PHP UI for http://www.telerik.com/forums/error-creating-control-design-time-error JSP UI for Silverlight HTML5/JS Framework Kendo UI NativeScript Desktop UI for WPF UI for WinForms Mobile UI for NativeScript UI for Xamarin UI for UWP (Windows 10) UI for iOS UI https://forums.asp.net/t/1909800.aspx?Error+Creating+Control+ReportViewer+From+VS2010+to+VS+2012 for Android UI for Windows Universal UI for Windows Phone PRODUCTIVITY & QUALITY JustCode JustMock Testing Framework Debugging Fiddler JustDecompile JustTrace Reporting & Data Access Reporting Report Server Data Access DEPLOYMENT Modulus error creating Mobile App Development Telerik Platform AppBuilder Analytics Backend Services Testing Test Studio Mobile Testing API Testing Digital Content & Experience Progress Sitefinity CMS Progress Sitefinity Digital Experience Cloud ENTERPRISE FREE TRIALS PRICING SUPPORT & LEARNING ABOUT US YOUR ACCOUNT Search Your Account Telerik Platform Telerik Forums / UI for ASP.NET AJAX Forum / General Discussions / Error Creating Control- Design time error error creating control Cancel The title field is required! UI for ASP.NET AJAX Resources Buy Try Feed for this thread 3 posts, 1 answers Morgan 4 posts Member since: Jul 2010 Posted 28 Jul 2010 Link to this post Hello, So whenI create a new content page, everything works perfectly fine, however, when I close out of that page and reopen it, some of my controls do not load properly, or I am unable to access there properties tab. I get something similar tothe following error for each control in the designer: Error Creating Control - RadDatePicker2 [A]Telerik.Web.UI.RadDatePicker cannot be cast to [B]Telerik.Web.UI.RadDatePicker. Type A originates from 'Telerik.Web.UI, Version=2010.1.415.20, Culture = neutral, PublicKeyToken=121fae78165ba3d4' in the context 'LoadNeither' at location 'C:\Users\xxxxxxxx\AppData\Local\Microsoft\VisualStudio\10.0\ProjectAssemblies\adxffflz01\telerik.web.ui.dll'. Type B originates from 'Telerik.Web.UI,Version=2010.1.415.40, Cultue=neutral, PublicKeyToken=121fae78165ba3d4' in the context 'LoadNeither' at location 'C:\Users\xxxxxxxx\AppData\Local\Microsoft\VisualStudio\10.0\ProjectAssemblies\1qe758dw01\TelerikWeb.UI.dll'. Also, whenever I add a new control to the form it says "A file with the name 'Bin/Telerik.Web.UI.dll' already exists. Do you want to replace it?" I have tested and these issues are specific to my machine. It seems that for some reason the controls reference two assemblies but I have no idea how to fix it. any help wo ASP.NET Community Standup Forums Help Home/ASP.NET Forums/Advanced ASP.NET/SQL Server Reporting Services/Error Creating Control ReportViewer From VS2010 to VS 2012 Error Creating Control ReportViewer From VS2010 to VS 2012 [Answered]RSS 14 replies Last post May 28, 2013 01:28 PM by Ghaleon ‹ Previous Thread|Next Thread › Print Share Twitter Facebook Email Shortcuts Active Threads Unanswered Threads Unresolved Threads Support Options Advanced Search Reply Ghaleon Member 21 Points 95 Posts Error Creating Control ReportViewer From VS2010 to VS 2012 May 27, 2013 09:47 AM|Ghaleon|LINK Hi guys, I just got myVisual Studio 2012 and I'm facing some problems. When i go to designe mode, I see the message error: Error Creating Control - ReportViewer1Failed to create designer 'Microsoft.Reporting.WebForms.ReportViewer, Microsoft.ReportViewer.WebForms, Version=10.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a' It were workingperfect onvisual studio 2010 but no using vs2012 it cant work. here's my Web.confg