When you say "telerik report are not showing in visual studio" do you refer to the report item templates or to the report items in the Visual Studio Toolbox? If the first, there was such a problem in the Q1 2012 release that has been addressed in the subsequent internal build
available for download in your account, upgrade to resolve the issue.
If the latter, please follow the instructions from the Telerik Reporting Toolbox items are missing
the Telerik team
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