IM使用Visual Studio 2010和我的数据库是2008年在SQL创建水晶报表，当我运行该应用程序，我得到以下错误:

Parser Error Message: The base class includes the field 'CrystalReportViewer1', but its type (CrystalDecisions.Web.CrystalReportViewer) is not compatible with the type of control (CrystalDecisions.Web.CrystalReportViewer).

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