protected void GridView1_SelectedIndexChanged(object sender, EventArgs e)
{
GridViewRow row = GridView1.SelectedRow;
int maHoaDon = int.Parse(((Label)row.FindControl("maHoaDon")).Text);
List <PhieuHdChiTiet> list = PhieuHdChiTiet_BUS.GetAll().Where(m => m.MaPhieuHd == maHoaDon).ToList();
GridView2.DataSource = list;
GridView2.DataBind();
}
public int total()
{
int maPhieuHd = PhieuHd_BUS.GetAll().ToList().Last().MaPhieuHd;
int ck;
if (tbxCK.Text == "")
{
ck = 0;
}
else
{
ck = Convert.ToInt32(tbxCK.Text);
}
int m = PhieuHdChiTiet_BUS.GetAll().ToList().Where(p => p.MaPhieuHd == maPhieuHd).Sum(p => Convert.ToInt32(p.ThanhTien)) * (100 - ck) / 100;
return(m);
}