Did you use the RadControls
installer, or did you use the zip file to get RadControls
If you used the installer, you should have the design-time assembly (Telerik.Web.Design
) in the GAC. In that case, if you have Visual Studio 2008 SP1
installed, you should not face problems with the design time. I would suggest that you remove the Telerik.Web.UI
assembly from the folders you listed.
If you've used the zip file instead, mys suggestion is that you use Windows Explorer
to copy the Telerik.Web.Design
assembly to the project BIN. Please don't add a reference to the Telerik.Web.Design
assembly, but just copy it to the BIN. Please, remove the Telerik.Web.UI
assembly from the [VisualStudio] folders, as these could themselves lead to broken design time
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