public static int TinhTongTienGH(string tenTK) { DataTable dtbKetQua = GioHangDAO.Lay_GH(tenTK); int tongTien = 0; foreach (DataRow dr in dtbKetQua.Rows) { tongTien += Convert.ToInt32(dr["ThanhTien"]); } return(tongTien); }
public static DataTable LayGH(string tenTK) { return(GioHangDAO.Lay_GH(tenTK)); }