[ArgumentOutOfRangeException: 在多字节的目标代码页中,没有此 Unicode 字符可以映射到的字符。 (Exception from HRESULT: 0x80070459)]
System.Runtime.InteropServices.Marshal.ThrowExceptionForHRInternal(Int32 errorCode, IntPtr errorInfo) +0
System.Web.Hosting.IIS7WorkerRequest.GetServerVariableInternal(String name) +48
System.Web.Hosting.IIS7WorkerRequest.GetServerVariable(String name) +38
System.Web.Hosting.IIS7WorkerRequest.ReadRequestHeaders() +124
System.Web.Hosting.IIS7WorkerRequest.GetKnownRequestHeader(Int32 index) +60
System.Web.HttpWorkerRequest.HasEntityBody() +21
System.Web.HttpRequest.GetEncodingFromHeaders() +119
System.Web.HttpRequest.get_ContentEncoding() +49
System.Web.HttpRequest.get_QueryStringEncoding() +10
System.Web.HttpRequest.get_QueryStringText() +173
System.Web.HttpRequest.ValidateInputIfRequiredByConfig() +81
System.Web.PipelineStepManager.ValidateHelper(HttpContext context) +55
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