protected void btnDelete_Click(object sender, EventArgs e) { try { string del_list = hdfCheck.Value; string[] sp_list = del_list.Split(new char[] { ';' }, StringSplitOptions.RemoveEmptyEntries); for (int i = 0; i < sp_list.Length; i++) { objForum.Delete(sp_list[i]); objCommentForum.DeleteByForum(Convert.ToInt32(sp_list[i])); } Response.Redirect(Request.RawUrl); } catch (Exception ex) { divMessage.InnerHtml = O2S_Message.Error("Cảnh Báo", "Phát hiện lỗi! " + ex.Message); } }