public bool compareUser(string _email, string _password)
 {
     if (_email == email && AdminUser.CalculateMD5Hash(_password) == password_md5)
     {
         return(true);
     }
     return(false);
 }
 public AdminUser(string _email, string _password)
 {
     email        = _email;
     password_md5 = AdminUser.CalculateMD5Hash(_password);
     updateSession();
 }