WebRequests in asp.net handled by its own handlers but if you want to create custom handlers to handle these request then you have to implement IHttpHandler interface in your handler class. It Defines the contract that ASP.NET implements to synchronously process HTTP Web requests using custom HTTP handlers.
You need to implement its only method ProcessRequest(). See the example below:

// 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("

This is an HttpHandler Test.

");

context.Response.Write("

Your Browser:

");

context.Response.Write("Type: " + context.Request.Browser.Type + "
");

context.Response.Write("Version: " + context.Request.Browser.Version);

}

// Override the IsReusable property.

public bool IsReusable

{

get { return true; }

}

Similarly, The factory class to manage the custom handler have to implement IHttpHandlerFactory contract interface.
For more details visit http://msdn.microsoft.com/en-us/library/system.web.ihttphandlerfactory.aspx

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Amit Choudhary15y ago
WebRequests in asp.net handled by its own handlers but if you want to create custom handlers to handle these request then you have to implement IHttpHandler interface in your handler class. It Defines the contract that ASP.NET implements to synchronously process HTTP Web requests using custom HTTP handlers.
You need to implement its only method ProcessRequest(). See the example below:

// 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("
This is an HttpHandler Test.
");
context.Response.Write("
Your Browser:
");
context.Response.Write("Type: " + context.Request.Browser.Type + "
");
context.Response.Write("Version: " + context.Request.Browser.Version);
}

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

Similarly, The factory class to manage the custom handler have to implement IHttpHandlerFactory contract interface.
For more details visit http://msdn.microsoft.com/en-us/library/system.web.ihttphandlerfactory.aspx

Problem Regarding IHttpHandlerFactory interfaces

This is an HttpHandler Test.