1. 如果您在Solution里添加rdlc时出现了该Issue,那么恭喜你,你也找到了Microsoft的一个Bug。
2. 微软为此已经更新了SP1,因此,请打Visual Studio SP1补丁。
3. 如果打了补丁依然出现此问题,清除Bin下所有引用的 dll,然后再操作rdlc。此种情况是出现在reference A.dll, But A.dll reference B.dll, B.dll reference ....
4. Else Create An new instance for reporting service without less reference
5. others, using reporting service server instead of visual studio reporting viewer.
6. Error As follow: