void Application_Error(object sender, EventArgs e)

    {

            Exception objErr = Server.GetLastError().GetBaseException();

            string err = "<b>Error Caught in Application_Error event</b><hr><br>" +

                    "<br><b>Error in: </b>" + Request.Url.ToString() +

                    "<br><b>Error Message: </b>" + objErr.Message.ToString() +

                    "<br><b>Stack Trace:</b><br>" +

                              objErr.StackTrace.ToString();

            System.Net.Mail.MailMessage mail = new System.Net.Mail.MailMessage();

            string from = BlogSettings.Instance.Email;

            mail.To.Add(BlogSettings.Instance.Email);

            mail.From = new System.Net.Mail.MailAddress(from, from);

            mail.Subject = String.Format("Error in the Site - {0} Error", BlogSettings.Instance.Name);

            mail.Body += String.Format("{0}<br/><br/><a href='{1}'>{1}</a><br/><br/>", System.DateTime.Now.ToString(), Request.Url.ToString());

            mail.Body += "<b>Error Caught in Application_Error event</b><hr><br>" +

                          "<br><b>Error in: </b>" + Request.Url.ToString() +

                          "<br><b>Error Message: </b>" + objErr.Message.ToString() +

                          "<br><b>Stack Trace:</b><br>" + objErr.StackTrace.ToString();

            mail.Body += "Server Variables<br/><br/>";

            foreach (string x in Request.ServerVariables)

            {

                mail.Body += x + " - " + Request.ServerVariables[x] + "<br/>";

            }

            Utils.SendMailMessageAsync(mail);

    }