HttpWebResponse.StatusCode 属性

public:
 virtual property System::Net::HttpStatusCode StatusCode { System::Net::HttpStatusCode get(); };

public:
 property System::Net::HttpStatusCode StatusCode { System::Net::HttpStatusCode get(); };

public virtual System.Net.HttpStatusCode StatusCode { get; }

public System.Net.HttpStatusCode StatusCode { get; }

member this.StatusCode : System.Net.HttpStatusCode

Public Overridable ReadOnly Property StatusCode As HttpStatusCode

Public ReadOnly Property StatusCode As HttpStatusCode

属性值

HttpStatusCode 值之一。

例外

示例

以下示例使用 StatusCode 验证 的状态 HttpWebResponse 是否为“正常”。

public static void GetPage(String url)
{
    try
      {	
            // Creates an HttpWebRequest for the specified URL.
            HttpWebRequest myHttpWebRequest = (HttpWebRequest)WebRequest.Create(url);
            // Sends the HttpWebRequest and waits for a response.
            HttpWebResponse myHttpWebResponse = (HttpWebResponse)myHttpWebRequest.GetResponse();
            if (myHttpWebResponse.StatusCode == HttpStatusCode.OK)
               Console.WriteLine("\r\nResponse Status Code is OK and StatusDescription is: {0}",
                                    myHttpWebResponse.StatusDescription);
            // Releases the resources of the response.
            myHttpWebResponse.Close();
        }
    catch(WebException e)
       {
            Console.WriteLine("\r\nWebException Raised. The following error occurred : {0}",e.Status);
       }
    catch(Exception e)
    {
        Console.WriteLine("\nThe following Exception was raised : {0}",e.Message);
    }
}

Public Shared Sub GetPage(url As [String])
   Try
        ' Creates an HttpWebRequest with the specified URL.
        Dim myHttpWebRequest As HttpWebRequest = CType(WebRequest.Create(url), HttpWebRequest)
        ' Sends the request and waits for a response.
        Dim myHttpWebResponse As HttpWebResponse = CType(myHttpWebRequest.GetResponse(), HttpWebResponse)
        If myHttpWebResponse.StatusCode = HttpStatusCode.OK Then
            Console.WriteLine(ControlChars.Lf + ControlChars.NewLine + "Response Status Code is OK and StatusDescription is: {0}", myHttpWebResponse.StatusDescription)
        End If
        ' Release the resources of the response.
        myHttpWebResponse.Close()
    
    Catch e As WebException
        Console.WriteLine(ControlChars.Lf + ControlChars.NewLine + "Exception Raised. The following error occurred : {0}", e.Status)
    Catch e As Exception
        Console.WriteLine(ControlChars.NewLine + "The following exception was raised : {0}", e.Message)
    End Try
End Sub

注解

参数 StatusCode 是指示 HTTP 响应状态的数字。 状态的预期值在 类中 HttpStatusCode 定义。