i have configured my website in IIS crystal report is showing some errors .
i have installed visual studio 2010...
SAP Crystal report Version Visual studio 2010,
SAP Crystal report runtime engine for .NET framework 4 (32-bit)
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Error 10 Unknown server tag 'CR:CrystalReportViewer'. C:\inetpub\wwwroot\Mreport\aspnet_client\system_web\4_0_30319\crystalreportviewers13\preview.aspx 132
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Error 4 Could not load file or assembly 'CrystalDecisions.Web, Version=12.0.2000.0, Culture=neutral, PublicKeyToken=692fbea5521e1304' or one of its dependencies. The system cannot find the file specified. C:\inetpub\wwwroot\Mreport\aspnet_client\system_web\4_0_30319\crystalreportviewers13\preview.aspx 5
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Error 7 Could not load file or assembly 'CrystalDecisions.ReportSource, Version=12.0.2000.0, Culture=neutral, PublicKeyToken=692fbea5521e1304' or one of its dependencies. The system cannot find the file specified. C:\inetpub\wwwroot\Mreport\aspnet_client\system_web\4_0_30319\crystalreportviewers13\preview.aspx 8
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Error 8 Could not load file or assembly 'CrystalDecisions.ReportAppServer.XmlSerialize, Version=12.0.2000.0, Culture=neutral, PublicKeyToken=692fbea5521e1304' or one of its dependencies. The system cannot find the file specified.- C:\inetpub\wwwroot\Mreport\aspnet_client\system_web\4_0_30319\crystalreportviewers13\preview.aspx 9
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Error 9 Could not load file or assembly 'CrystalDecisions.ReportAppServer.ObjectFactory, Version=12.0.2000.0, Culture=neutral, PublicKeyToken=692fbea5521e1304' or one of its dependencies. The system cannot find the file specified. C:\inetpub\wwwroot\Mreport\aspnet_client\system_web\4_0_30319\crystalreportviewers13\preview.aspx 10
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Error 5 Could not load file or assembly 'CrystalDecisions.ReportAppServer.Controllers, Version=12.0.2000.0, Culture=neutral, PublicKeyToken=692fbea5521e1304' or one of its dependencies. The system cannot find the file specified. C:\inetpub\wwwroot\Mreport\aspnet_client\system_web\4_0_30319\crystalreportviewers13\preview.aspx 6
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Error 6 Could not load file or assembly 'CrystalDecisions.CrystalReports.Engine, Version=12.0.2000.0, Culture=neutral, PublicKeyToken=692fbea5521e1304' or one of its dependencies. The system cannot find the file specified. C:\inetpub\wwwroot\Mreport\aspnet_client\system_web\4_0_30319\crystalreportviewers13\preview.aspx 7