protected void Application_Error(object sender, EventArgs e)
{
var ex = Server.GetLastError().GetBaseException();
var errorHandlingSerivce = new ErrorHandlingService();
errorHandlingSerivce.LogToErrorTable(ex, Request.RawUrl);
errorHandlingSerivce.LogToErrorLog(ex, Request.RawUrl);
errorHandlingSerivce.LogToEventViewer(ex, Request.Url.AbsoluteUri, Request.QueryString.ToString());
}