private void FRMBaocao_Load(object sender, EventArgs e)
{
baoCaoBS bs = new baoCaoBS();
dataGridView1.DataSource = bs.baocao();
tinhtongtien();
}
private void tinhtongtien()
{
decimal tongtien = 0;
int soluong = 0;
baoCaoBS bs = new baoCaoBS();
List <BaocaoDB> ds = bs.baocao();
for (int i = 0; i < ds.Count; i++)
{
tongtien += Convert.ToDecimal(ds[i].gia.ToString());
soluong += Convert.ToInt32(ds[i].gia);
}
lbtongtien.Text = "" + Convert.ToString(tongtien) + " vnđ";
lbsoluong.Text = Convert.ToString(soluong);
}
