IHttpHandler.ProcessRequest(HttpContext) Metode

Definisi

Ruang nama:

System.Web

Rakitan:

System.Web.dll

Memungkinkan pemrosesan permintaan Web HTTP oleh kustom HttpHandler yang mengimplementasikan IHttpHandler antarmuka.

public:
 void ProcessRequest(System::Web::HttpContext ^ context);

public void ProcessRequest(System.Web.HttpContext context);

abstract member ProcessRequest : System.Web.HttpContext -> unit

Public Sub ProcessRequest (context As HttpContext)

Parameter

context

HttpContext

Objek HttpContext yang menyediakan referensi ke objek server intrinsik (misalnya, , Request, ResponseSession, dan Server) yang digunakan untuk melayani permintaan HTTP.

Contoh

Contoh kode berikut menulis empat baris teks ke aliran output HTTP sebagai respons terhadap permintaan klien untuk halaman bernama handler.aspx. Semua permintaan untuk handler.aspx dilayankan oleh MyHttpHandler kelas di namespace HandlerExample yang terkandung dalam rakitan HandlerTest.dll.

// Name this C# file HandlerTest.cs and compile it with the
// command line: csc /t:library /r:System.Web.dll HandlerTest.cs.
// Copy HandlerTest.dll to your \bin directory.

using System.Web;

namespace HandlerExample
{
   public class MyHttpHandler : IHttpHandler
   {
      // Override the ProcessRequest method.
      public void ProcessRequest(HttpContext context)
      {
         context.Response.Write("<H1>This is an HttpHandler Test.</H1>");
         context.Response.Write("<p>Your Browser:</p>");
         context.Response.Write("Type: " + context.Request.Browser.Type + "<br>");
         context.Response.Write("Version: " + context.Request.Browser.Version);
      }

      // Override the IsReusable property.
      public bool IsReusable
      {
         get { return true; }
      }
   }
}

/*
______________________________________________________________

To use this handler, include the following lines in a Web.config file.

<configuration>
   <system.web>
      <httpHandlers>
         <add verb="*" path="handler.aspx" type="HandlerExample.MyHttpHandler,HandlerTest"/>
      </httpHandlers>
   </system.web>
</configuration>
*/

' Name this Visual Basic file HandlerTest.vb and compile it with the
' command line: vbc /target:library /r:System.Web.dll HandlerTest.vb.
' Copy HandlerTest.dll to your \bin directory.
Imports System.Web

Namespace HandlerExample
    
    Public Class MyHttpHandler
        Implements IHttpHandler
        
        ' Override the ProcessRequest method.
        Public Sub ProcessRequest(context As HttpContext) _
        Implements IHttpHandler.ProcessRequest
        
            context.Response.Write("<H1>This is an HttpHandler Test.</H1>")
            context.Response.Write("<p>Your Browser:</p>")
            context.Response.Write("Type: " & context.Request.Browser.Type & "<br>")
            context.Response.Write("Version: " & context.Request.Browser.Version)
        End Sub
        
        ' Override the IsReusable property.        
        Public ReadOnly Property IsReusable() As Boolean _
        Implements IHttpHandler.IsReusable
        
            Get
                Return True
            End Get
        End Property
    End Class
End Namespace

'______________________________________________________________
'
' To use this handler, include the following lines in a
' Web.config file (be sure to remove the comment markers).
'
'         <add verb="*" path="handler.aspx" type="HandlerExample.MyHttpHandler,HandlerTest"/>

Keterangan

Tempatkan kode kustom HttpHandler Anda dalam metode virtual, seperti yang ProcessRequest ditunjukkan di bagian Contoh.