protected void Page_Load(object sender, EventArgs e) { string MaGV = ""; if (Request.QueryString["MaGV"] != null) { MaGV = Request.QueryString["MaGV"]; } SinhVien.SV_DelAcc(MaGV); SinhVien.SV_Del(MaGV); Response.Redirect("AccStManagement.aspx"); }