public string[] GetUserRoles(string userName)
 {
     try
     {
         DLL.UserRole obj = new DLL.UserRole();
         return(obj.GetUserRoles(userName));
     }
     catch (Exception ex)
     {
         return(null);
     }
 }
 public IEnumerable <AuthenticationLibrary.Model.UserRole> GetUserRoles(int userId)
 {
     try
     {
         DLL.UserRole obj = new DLL.UserRole();
         return(obj.GetUserRoles(userId));
     }
     catch (Exception ex)
     {
         return(null);
     }
 }