System.IO.FileNotFoundException报错

System.IO.FileNotFoundException: Could not load file or assembly 'Microsoft.ReportViewer.WinForms, Version=10.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a' or one of its dependencies. 系统找不到指定的文件。 File name: 'Microsoft.ReportViewer.WinForms, Version=10.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a' at SupSystem.fr_Print..ctor()