private void GetStandardAndStudents()
        {
            Console.WriteLine("--- Get Standard and all Students ---");

            Console.Write("Enter Standard ID: ");
            InputID();
            newStd = bl.GetStandardByIDWithStudents(id);

            if (newStd == null)
            {
                Console.WriteLine("Standard not found!");
                return;
            }
            else if (newStd.Students == null || newStd.Students.Count == 0)
            {
                Console.WriteLine("This Standard has no Students!");
                return;
            }
            else
            {
                Console.WriteLine("\nContaining Students: {0}", newStd.Students.Count);
                foreach (Student student in newStd.Students)
                {
                    Console.WriteLine("- " + student.StudentName);
                }
            }

            Continue();
        }