private void DataBind(string keys = "")
        {
            DataTable dt = new DataTable();
            //if (string.IsNullOrEmpty(Request.QueryString["NodeID"]))//显示全部
            //{
            //    string nodeIDS = bll.GetNodeIDS(OAConfig.ModelID);
            //    dt = bll.GetContentByNodeS(nodeIDS);
            //}
            //else
            //
            int id = DataConverter.CLng(Request.QueryString["NodeID"]);

            dt = bll.GetContenByNodeOA(id);
            //}
            string key = SearchKey;

            if (!string.IsNullOrEmpty(key))
            {
                dt.DefaultView.RowFilter = "Title Like '%" + key + "%'";
                dt = dt.DefaultView.ToTable();
            }
            dt.DefaultView.Sort = "EliteLevel desc,CreateTime desc";
            dt             = dt.DefaultView.ToTable();
            EGV.DataSource = dt;
            EGV.DataBind();
        }