在MVC 4 HttpContext.Current.Request.IsAjaxRequest（）错误

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问题描述

我使用

  HttpContext.Current.Request.IsAjaxRequest（）

状态检查中的Application_Error方法的Global.asax一个Ajax请求，但我得到下面的错误：

Below is the code:

void Application_Error(object sender, EventArgs e)
    {

        Exception exception = Server.GetLastError().GetBaseException();
        HttpException httpException = exception as HttpException;

        string ErrorMessage = "";
        ErrorMessage = "Application Level Error";


        logger.Error(ErrorMessage, exception);

        if (System.Web.HttpContext.Current.Request.IsAjaxRequest()) //if its an ajax do not redirect
        {
            return;
        }
    else
    {
      Server.ClearError();
      this.Response.RedirectToRoute("Default", new { controller = "Home", action = "Error" });
    }
  }

解决方案

Guess it worked... Posting as the answer.

Try

new HttpRequestWrapper(System.Web.HttpContext.Current.Request).IsAjaxRequest()

IsAjaxRequest() takes an HttpRequestBase which is different from an HttpRequest (and not related, so it's a bit confusing). I think the wrapper will fix your problem.

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