protected void Application_Error(object sender, EventArgs e)
{
Exception lastException = Server.GetLastError();
//log by reading lastException.Message
string actionName = Request.Path;
Error error = new Error();
ErrorsController ec = new ErrorsController();
error.errorValue = ec.LogError(User.Identity.Name, lastException, "", actionName);
db.Errors.Add(error);
db.SaveChanges();
Server.ClearError();
Response.Redirect("\\Error.html");
}