private void laydulieuhangdangban(string mahd)
{
TongTien = 0;
dtdshangdangban = new DataTable();
dtdshangdangban = bd.Laydanhsachhangdangban(mahd);
dgvdshangdangban.DataSource = dtdshangdangban;
//dgvdshangdangban.r
//for(int i =0;i<dgvdshangdangban.Rows.Count;i++)
//{
// if (dtdshangdangban.Rows[i]["MaMon"].ToString() == comboBox1.SelectedValue.ToString())
// index = Convert.ToInt16(dtdshangdangban.Rows[i]["STT"]) - 1;
//}
for (int i = 0; i < dtdshangdangban.Rows.Count; i++)
{
TongTien += Convert.ToDouble(dtdshangdangban.Rows[i]["ThanhGia"].ToString());
}
lbl_Thanhtien.Text = "Thành Tiền: " + String.Format("{0:0,0 vnđ}", TongTien);
if (index == dtdshangdangban.Rows.Count)
{
index--;
}
if (dtdshangdangban.Rows.Count > 1)
{
dgvdshangdangban.Rows[0].Selected = false;
dgvdshangdangban.Rows[index].Selected = true;
}
}