[FileNotFoundException: 未能找到文件“D:\wwwroot\xmsssy1720\wwwroot\App_Media\ysfmzxks-02.mp3”。]
System.IO.__Error.WinIOError(Int32 errorCode, String maybeFullPath) +10768646
System.IO.FileStream.Init(String path, FileMode mode, FileAccess access, Int32 rights, Boolean useRights, FileShare share, Int32 bufferSize, FileOptions options, SECURITY_ATTRIBUTES secAttrs, String msgPath, Boolean bFromProxy, Boolean useLongPath, Boolean checkHost) +1305
System.IO.FileStream..ctor(String path, FileMode mode, FileAccess access, FileShare share) +65
System.Web.HttpResponse.TransmitFile(String filename, Int64 offset, Int64 length) +126
Handler_download.ProcessRequest(HttpContext context) +247
System.Web.CallHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() +341
System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) +69
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