protected void GridView1_RowCommand(object sender, GridViewCommandEventArgs e)
{
Gio_Hang_KH ghkh2 = new Gio_Hang_KH();
AccessData ac = new AccessData();
if (e.CommandName == "del")
{
int tongtientt;
int index = int.Parse(e.CommandArgument.ToString());
string sqltt = "select dongia from sach where masach = " + int.Parse(GridView1.Rows[index].Cells[0].Text);
tongtientt = ac.ExecuteScalarInt(sqltt);
Session["tongtien"] = (Int64.Parse(Session["tongtien"].ToString()) - tongtientt).ToString();
Session["xoagh"] = "deleted";
ghkh2.masach = int.Parse(GridView1.Rows[index].Cells[0].Text);
ghkh2.deletesach(ghkh2);
Response.Redirect("~/Gio_Hang.aspx");
}
}
