1.引用 版本-10.0.3300.0 路径-C:\Program Files\Common Files\Crystal Decisions\2.5\managed\+CrystalDecisions.CrystalReports.Engine+CrystalDecisions.ReportSource+CrystalDecisions.Shared+CrystalDecisions.Web2.web.config 添加程序集引用如下(只要在工具箱添加10.0.3300.0版本的CrystalReportViewer控件便会自动生成以下引用)   <assemblies>
    <add assembly="CrystalDecisions.CrystalReports.Engine, Version=10.0.3300.0, Culture=neutral, PublicKeyToken=692fbea5521e1304" />
    <add assembly="CrystalDecisions.ReportSource, Version=10.0.3300.0, Culture=neutral, PublicKeyToken=692fbea5521e1304" />
    <add assembly="CrystalDecisions.Shared, Version=10.0.3300.0, Culture=neutral, PublicKeyToken=692fbea5521e1304" />
    <add assembly="CrystalDecisions.Web, Version=10.0.3300.0, Culture=neutral, PublicKeyToken=692fbea5521e1304" />
    <add assembly="CrystalDecisions.ReportAppServer.ClientDoc, Version=10.0.3300.0, Culture=neutral, PublicKeyToken=692fbea5521e1304" />
    <add assembly="CrystalDecisions.Enterprise.Framework, Version=10.0.3300.0, Culture=neutral, PublicKeyToken=692fbea5521e1304" />
    <add assembly="CrystalDecisions.Enterprise.InfoStore, Version=10.0.3300.0, Culture=neutral, PublicKeyToken=692fbea5521e1304" />
   </assemblies>