Exemplo n.º 1
0
        private void TraCuu_Load(object sender, EventArgs e)
        {
            SachBUS objSach = new SachBUS();

            if (objSach.GetTheloai() != null)
            {
                cbTheloai.DataSource    = objSach.GetTheloai();
                cbTheloai.DisplayMember = "theloai";
            }
            else
            {
                MessageBox.Show("Lỗi tải dữ liệu");
            }
            cbTheloai.Text = "";
            LoadData();
            txtSl.Enabled  = false;
            txtMa.Enabled  = false;
            butLuu.Enabled = false;
        }