protected void btnQuery_Click(object sender, EventArgs e) { string macongty = DropCty.SelectedValue.ToString(); string madonvi = DropDownLDonVi.SelectedValue.ToString(); //GridView1.DataSource = QuyTrinhXetDuyetCuaCanBoDAO.LayDanhSachQuyTrinhTheoBoPhan(madonvi, macongty); GridView1.DataSource = db.LayQuyTrinhTheoDonViCanBo(madonvi, macongty); GridView1.DataBind(); }