It is possible that there are cases when there are issues related to the upgrading/installation process. Looking at the error that you describe it seems that the project/application that you are attempting to run can not find reference to the Telerik.Web.UI.Skins.dll
assembly file where the Black skin is located. There are two reasons for the exception to be thrown - there are either no references set to the upgraded assembly files or the references are still the old ones pointing to the GAC
. To resolve the exception you can try using the following approach - place all of the assembly files (Telerik.Web.UI.dll
) in the local bin folder and update the references as demonstrated in this video
Or you can use the following approach as well:
1. Delete the existing ones
2. Add the the Telerik.Web.UI.dll
in the Bin directory
3. Add references to the above mentioned dll files.
4. Rebuild the solution
Another approach that you can try out is to use our CDN provider as explained in this help article.
All the best,
the Telerik team
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