我在 Visual Studio 2017 中有一个 AspNet MVC 项目，该项目之前是在 Visual Studio 2015 中开发的.该项目包含许多 rdlc 文件，在我编辑其中一个之前，它们都运行良好.现在，当我尝试从已编辑的 rdlc 下载 pdf 时，出现此错误:
I have an AspNet MVC project in Visual Studio 2017 that was previously developed in Visual Studio 2015. This project contains many rdlc files that were working fine until I edited one of them. Now, when I try to download the pdf from the rdlc edited I get this error:
此报告的定义无效或不受此支持报告服务的版本.报告定义可能是使用更高版本的 Reporting Services 创建的，或包含内容根据 Reporting Services 格式不正确或无效模式.详细信息:报告定义的目标无效命名空间'http://schemas.microsoft.com/sqlserver/reporting/2016/01/报告定义'无法升级.
The definition of this report is not valid or supported by this version of Reporting Services. The report definition may have been created with a later version of Reporting Services, or contain content that is not well-formed or not valid based on Reporting Services schemas. Details: The report definition has an invalid target namespace 'http://schemas.microsoft.com/sqlserver/reporting/2016/01/reportdefinition' which cannot be upgraded.
编辑的 rdlc 将其命名空间从 http://schemas.microsoft.com/sqlserver/reporting/2008/01/reportdefinition 到 http://schemas.microsoft.com/sqlserver/reporting/2016/01/reportdefinition
The rdlc edited changes its namespace from http://schemas.microsoft.com/sqlserver/reporting/2008/01/reportdefinition to http://schemas.microsoft.com/sqlserver/reporting/2016/01/reportdefinition
该项目使用 net framework 4.6.2 运行，并且已安装 Microsoft.ReportViewer.Runtime.Common.12.0.2402.15 和 Microsoft.ReportViewer.Runtime.WebForms.12.0.2402.15 nuget 包
The project is running with net framework 4.6.2 and it has installed Microsoft.ReportViewer.Runtime.Common.12.0.2402.15 and Microsoft.ReportViewer.Runtime.WebForms.12.0.2402.15 nuget packages
我遇到了同样的问题，我通过卸载 nuget 包 Microsoft.ReportViewer.Runtime.Common 和 Microsoft.ReportViewer.Runtime.WebForms 并安装包 Microsoft.ReportingServices.ReportViewerControl.WebForms.140.340.80.我想强调我必须添加对 System.Windows.Forms 的引用，因为在我用来呈现报告的类 ReportDataSource 中有一个依赖项
I had the same problem and I solved it uninstalling the nuget packages Microsoft.ReportViewer.Runtime.Common and Microsoft.ReportViewer.Runtime.WebForms and installing the package Microsoft.ReportingServices.ReportViewerControl.WebForms.140.340.80. I would like to highlight that I had to add a reference to System.Windows.Forms because there is a dependency in the class ReportDataSource that I use to render my reports
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