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();
}