private void LoaData() { TourBUS tourBus = new TourBUS(); dgv_Tour.DataSource = tourBus.LoadTourToDataGridView(); DataTable diaDiem = tourBus.LoadDiaDiem(); cbo_NoiDi.DisplayMember = "TenDiaDiem"; cbo_NoiDi.ValueMember = "MaDiaDiem"; cbo_NoiDi.DataSource = diaDiem; cbo_NoiDen.DisplayMember = "TenDiaDiem"; cbo_NoiDen.ValueMember = "MaDiaDiem"; cbo_NoiDen.DataSource = tourBus.LoadDiemDen(int.Parse(cbo_NoiDi.SelectedValue.ToString())); }
private void cbo_NoiDi_SelectedIndexChanged(object sender, EventArgs e) { TourBUS tourBus = new TourBUS(); cbo_NoiDen.DataSource = tourBus.LoadDiemDen(int.Parse(cbo_NoiDi.SelectedValue.ToString())); }