public Employee_View(int id, View_Strategy s)
        {
            InitializeComponent();
            strategy = s;
            DataTable dt = strategy.View_operation(id);

            dataGridView1.DataSource            = dt;
            dataGridView1.Columns[3].HeaderText = "Type";
            dataGridView1.Refresh();
        }
        public Choose_Doctor(View_Strategy s)
        {
            InitializeComponent();
            control_object = new Receptionist_Controller();
            strategy       = s;
            DataTable dt = control_object.doctors_names();

            comboBox1.DataSource    = dt;
            comboBox1.DisplayMember = "Name";
            comboBox1.ValueMember   = "User_name";
        }