WebResponse.Headers Properti

Definisi

Ruang nama:

System.Net

Rakitan:

System.Net.Requests.dll

Sumber:

WebResponse.cs

Saat ditimpa di kelas turunan, mendapatkan kumpulan pasangan nama-nilai header yang terkait dengan permintaan ini.

public:
 virtual property System::Net::WebHeaderCollection ^ Headers { System::Net::WebHeaderCollection ^ get(); };

public virtual System.Net.WebHeaderCollection Headers { get; }

member this.Headers : System.Net.WebHeaderCollection

Public Overridable ReadOnly Property Headers As WebHeaderCollection

Nilai Properti

WebHeaderCollection

Instans WebHeaderCollection kelas yang berisi nilai header yang terkait dengan respons ini.

Pengecualian

NotSupportedException

Setiap upaya dilakukan untuk mendapatkan atau mengatur properti, ketika properti tidak ditimpa di kelas turunan.

Contoh

Contoh berikut menampilkan semua pasangan nama-nilai header yang dikembalikan dalam WebResponse.

// Create a 'WebRequest' object with the specified url.
WebRequest^ myWebRequest = WebRequest::Create( "http://www.contoso.com" );

// Send the 'WebRequest' and wait for response.
WebResponse^ myWebResponse = myWebRequest->GetResponse();

// Display all the Headers present in the response received from the URl.
Console::WriteLine( "\nThe following headers were received in the response" );

// Display each header and its key , associated with the response object.
for ( int i = 0; i < myWebResponse->Headers->Count; ++i )
   Console::WriteLine( "\nHeader Name: {0}, Header value : {1}", myWebResponse->Headers->Keys[ i ], myWebResponse->Headers[ i ] );

// Release resources of response object.
myWebResponse->Close();

    // Create a 'WebRequest' object with the specified url. 	
   WebRequest myWebRequest = WebRequest.Create("http://www.contoso.com"); 

   // Send the 'WebRequest' and wait for response.
WebResponse myWebResponse = myWebRequest.GetResponse(); 

   // Display all the Headers present in the response received from the URl.
   Console.WriteLine("\nThe following headers were received in the response");

// Display each header and it's key , associated with the response object.
   for(int i=0; i < myWebResponse.Headers.Count; ++i)  
      Console.WriteLine("\nHeader Name:{0}, Header value :{1}",myWebResponse.Headers.Keys[i],myWebResponse.Headers[i]); 

   // Release resources of response object.
   myWebResponse.Close();

    ' Create a 'WebRequest' object with the specified url 	
    Dim myWebRequest As WebRequest = WebRequest.Create("www.contoso.com")
    
    ' Send the 'WebRequest' and wait for response.
    Dim myWebResponse As WebResponse = myWebRequest.GetResponse()
    
    ' Display all the Headers present in the response received from the URl.
    Console.WriteLine(ControlChars.Cr + "The following headers were received in the response")
    
    ' Headers property is a 'WebHeaderCollection'. Use it's properties to traverse the collection and display each header
    Dim i As Integer
    
    While i < myWebResponse.Headers.Count
        Console.WriteLine(ControlChars.Cr + "Header Name:{0}, Header value :{1}", myWebResponse.Headers.Keys(i), myWebResponse.Headers(i))
i = i + 1
    End While

    ' Release resources of response object.
    myWebResponse.Close()

Keterangan

Properti Headers berisi pasangan header nilai-nama yang dikembalikan dalam respons.

Catatan

Kelasnya WebResponse adalah abstract kelas. Perilaku WebResponse aktual instans pada durasi ditentukan oleh kelas turunan yang dikembalikan oleh WebRequest.GetResponse. Untuk informasi selengkapnya tentang nilai dan pengecualian default, silakan lihat dokumentasi untuk kelas turunan, seperti HttpWebResponse dan FileWebResponse.

Lihat juga

• WebHeaderCollection
• Headers