private void frm_HoaDon_Load(object sender, EventArgs e) { load(); nghiepvu(); cb_KH.DataSource = null; cb_KH.Items.Clear(); cb_KH.DataSource = kh.GetKhachHangs(); cb_KH.ValueMember = "MaKH"; cb_KH.DisplayMember = "TenKH"; cb_NV.DataSource = null; cb_NV.Items.Clear(); cb_NV.DataSource = nv.GetNhanViens(); cb_NV.ValueMember = "MaNV"; cb_NV.DisplayMember = "TenNV"; }
private void refress() { gridControl1.DataSource = kh.GetKhachHangs(); }