我今天遇到同样的问题。基于内部异常,报告查看器似乎需要获取其相关 dll 的版本才能正常工作。如果嵌入了 dll,报表查看器将无法找到它。
System.ArgumentException: The path is not of a legal form.
at System.IO.Path.NewNormalizePath(String path, Int32 maxPathLength, Boolean expandShortPaths)
at System.IO.Path.NormalizePath(String path, Boolean fullCheck, Int32 maxPathLength, Boolean expandShortPaths)
at System.IO.Path.GetFullPathInternal(String path)
at System.IO.Path.GetFullPath(String path)
at System.Diagnostics.FileVersionInfo.GetFullPathWithAssert(String fileName)
at System.Diagnostics.FileVersionInfo.GetVersionInfo(String fileName)
at Microsoft.ReportingServices.ReportIntermediateFormat.Persistence.IntermediateFormatVersion.<>c__DisplayClass2_0.<.cctor>b__0()
at Microsoft.ReportingServices.Diagnostics.RevertImpersonationContext.<>c__DisplayClass1_0.<Run>b__0(Object state)
at System.Security.SecurityContext.Run(SecurityContext securityContext, ContextCallback callback, Object state)
at Microsoft.ReportingServices.Diagnostics.RevertImpersonationContext.Run(ContextBody callback)
at Microsoft.ReportingServices.ReportIntermediateFormat.Persistence.IntermediateFormatVersion..cctor()
--- End of inner exception stack trace ---
经过反复试验,我发现要使报表查看器正常工作,需要从 Fody/Costura 中排除“Microsoft.ReportViewer.ProcessingObjectModel”和“Microsoft.ReportViewer.Common”。以下是我正在使用的 FodyWeavers.xml。
<?xml version="1.0" encoding="utf-8"?>
<Weavers xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="FodyWeavers.xsd">
<Costura>
<ExcludeAssemblies>
Microsoft.ReportViewer.ProcessingObjectModel
Microsoft.ReportViewer.Common
</ExcludeAssemblies>
</Costura>
</Weavers>