IHttpHandler.ProcessRequest(HttpContext) Método

Definición

Espacio de nombres:
System.Web
Ensamblado:
System.Web.dll

Habilita el procesamiento de solicitudes web HTTP mediante un personalizado HttpHandler que implementa la IHttpHandler interfaz .

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)

Parámetros

context
HttpContext

Objeto HttpContext que proporciona referencias a los objetos de servidor intrínsecos (por ejemplo, Request, Response, Sessiony Server) usados para atender las solicitudes HTTP.

Ejemplos

En el ejemplo de código siguiente se escriben cuatro líneas de texto en el flujo de salida HTTP en respuesta a una solicitud de cliente para una página denominada handler.aspx. Todas las solicitudes de handler.aspx son administradas por la MyHttpHandler clase del espacio de nombres HandlerExample incluido en el ensamblado 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"/>

Comentarios

Coloque el código personalizado HttpHandler en el ProcessRequest método virtual, como se muestra en la sección Ejemplos.

Se aplica a