private ChiTietHoaDonThuoc Getformctthuoc()
{
ChiTietHoaDonThuoc ctth = new ChiTietHoaDonThuoc();
ctth.MaCTHDThuoc = (txtMachitietthuoc.Text != "")?int.Parse(txtMachitietthuoc.Text):0;
ctth.MaThuoc = int.Parse(txtMathuoc.Text);
ctth.MaHoaDon = txtMahoadon.Text;
ctth.SoLuong = int.Parse(txtSoluong.Text);
return(ctth);
}
private void btnThem_Click(object sender, EventArgs e)
{
List <ChiTietHoaDonThuoc> ds = thdetail.SelectBy(txtMathuoc.Text, "MaThuoc");
ChiTietHoaDonThuoc t = (ds.Count > 0) ? ds[0] : null;
ChiTietHoaDonThuoc a = Getformctthuoc();
if (t != null)
{
a.SoLuong = a.SoLuong + t.SoLuong;
thdetail.Update(a);
}
else
{
thdetail.Add(a);
}
LoadChiTietThuoc();
}
