WebException.Status 屬性

定義

命名空間:

System.Net

組件:

netstandard.dll, System.Net.Requests.dll

來源:

WebException.cs

會收到回覆的狀態。

public:
 property System::Net::WebExceptionStatus Status { System::Net::WebExceptionStatus get(); };

public System.Net.WebExceptionStatus Status { get; }

member this.Status : System.Net.WebExceptionStatus

Public ReadOnly Property Status As WebExceptionStatus

屬性值

WebExceptionStatus

這是其中一項 WebExceptionStatus 價值。

範例

以下範例檢查Status該屬性，並將底層HttpWebResponse實例的 and 輸出到主控台StatusCodeStatusDescription。

try {
   // Create a web request for an invalid site. Substitute the "invalid site" strong in the Create call with a invalid name.
     HttpWebRequest myHttpWebRequest = (HttpWebRequest) WebRequest.Create("invalid site");

    // Get the associated response for the above request.
     HttpWebResponse myHttpWebResponse = (HttpWebResponse) myHttpWebRequest.GetResponse();
    myHttpWebResponse.Close();
}
catch(WebException e) {
    Console.WriteLine("This program is expected to throw WebException on successful run."+
                        "\n\nException Message :" + e.Message);
    if(e.Status == WebExceptionStatus.ProtocolError) {
        Console.WriteLine("Status Code : {0}", ((HttpWebResponse)e.Response).StatusCode);
        Console.WriteLine("Status Description : {0}", ((HttpWebResponse)e.Response).StatusDescription);
    }
}
catch(Exception e) {
    Console.WriteLine(e.Message);
}

 Try
     'Create a web request for an invalid site. Substitute the "invalid site" strong in the Create call with a invalid name.
     Dim myHttpWebRequest As HttpWebRequest = CType(WebRequest.Create("invalid site"), HttpWebRequest)
     
     'Get the associated response for the above request.
     Dim myHttpWebResponse As HttpWebResponse = CType(myHttpWebRequest.GetResponse(), HttpWebResponse)
     myHttpWebResponse.Close()
 Catch e As WebException
     Console.WriteLine(e.Message)
     
      If e.Status = WebExceptionStatus.ProtocolError Then
         Console.WriteLine("Status Code : {0}", CType(e.Response, HttpWebResponse).StatusCode)
         Console.WriteLine("Status Description : {0}", CType(e.Response, HttpWebResponse).StatusDescription)
     End If

Catch e As Exception
     Console.WriteLine(e.Message)
 End Try

備註

性質 Status 表示 的理由 WebException。

的 Status 值是其中一個值 WebExceptionStatus 。

警告

錯誤 ProxyNameResolutionFailure 不會回傳到 Windows 8.x 商店應用程式。

另請參閱

• WebExceptionStatus