void UpdateDepartment()
        {
            Dept d = new Dept();

            Console.Write("Enter Id = ");
            d.Id = Convert.ToInt32(Console.ReadLine());
            Console.Write("Enter Name = ");
            d.DName = Console.ReadLine();
            Console.Write("Enter Location = ");
            d.Loc = Console.ReadLine();

            if (deptService.UpdateDepartment(d) > 0)
            {
                Console.WriteLine("Department Updated");
            }
            else
            {
                Console.WriteLine("Some error");
            }
        }