System.Web.HttpServerUtility.ClearError C# (CSharp) Method

		public void ClearError ()
		{
			context.ClearError ();
		}

        /// <summary>
        /// 异常事件处理
        /// </summary>
        public void DoError()
        {
            //是否自定义处理error
            if (Common.ConfigValue.IsCustomError == false)
            {
                return;
            }
            Exception exception = Server.GetLastError();

            Response.Clear();
            HttpException httpException = exception as HttpException;
            RouteData     route         = new RouteData();

            route.Values.Add("controller", "HttpError");
            if (Request.Url.Segments.Any(q => q.Equals("httperror", StringComparison.InvariantCultureIgnoreCase)))
            {
                Server.ClearError();
                Response.Write("HttpError出错或对应的模板出错！");
                Response.StatusCode = 500;
                Response.End();
                return;
            }
            if (httpException == null)
            {
                route.Values.Add("action", "Status500");
                route.Values.Add("msg", exception.Message);
                Response.StatusCode = 500;
            }
            else
            {
                if (httpException.GetHttpCode() == 404)
                {
                    route.Values.Add("action", "Status404");
                    Response.StatusCode = 404;
                }
                else if (httpException.GetHttpCode() == 509)
                {
                    route.Values.Add("action", "Status509");
                    Response.StatusCode = 509;
                }
                else
                {
                    route.Values.Add("action", "Status500");
                    Response.StatusCode = 500;
                }
                route.Values.Add("msg", httpException.Message);
            }
            IController errorController = this.IContoller;

            errorController.Execute(new RequestContext(new HttpContextWrapper(Application.Context), route));
            Server.ClearError();
            Response.End();
        }