Пример #1
0
        private void comboBox1_MouseClick(object sender, MouseEventArgs e)
        {
            SachBUS objSach = new SachBUS();

            if (objSach.GetNhayNhap() != null)
            {
                cbNgaynhap.DataSource    = objSach.GetNhayNhap();
                cbNgaynhap.DisplayMember = "ngaynhap";
            }
            else
            {
                MessageBox.Show("Lỗi dữ liệu");
            }
        }