class/System.Web.Mvc/System.Web.Mvc/AjaxRequestExtensions.cs

   1 /* ****************************************************************************
   2  *
   3  * Copyright (c) Microsoft Corporation. All rights reserved.
   4  *
   5  * This software is subject to the Microsoft Public License (Ms-PL).
   6  * A copy of the license can be found in the license.htm file included
   7  * in this distribution.
   8  *
   9  * You must not remove this notice, or any other, from this software.
  10  *
  11  * ***************************************************************************/
  12
  13 namespace System.Web.Mvc {
  14     using System;
  15
  16     public static class AjaxRequestExtensions {
  17
  18         public static bool IsAjaxRequest(this HttpRequestBase request) {
  19             if (request == null) {
  20                 throw new ArgumentNullException("request");
  21             }
  22
  23             return (request["X-Requested-With"] == "XMLHttpRequest") || ((request.Headers != null) && (request.Headers["X-Requested-With"] == "XMLHttpRequest"));
  24         }
  25     }
  26 }