protected void LoadData() { Maticsoft.BLL.t_Index BLL = new Maticsoft.BLL.t_Index(); string sortField = GridDpt.SortField; string sortDirection = GridDpt.SortDirection; if (TreeDpt.SelectedNode == null) { GridDpt.RecordCount = BLL.GetRecordCount(" FatherId is null "); DataView view = BLL.GetListByPage(" FatherId is null ", " Id asc ", GridDpt.PageIndex * GridDpt.PageSize, (GridDpt.PageIndex + 1) * GridDpt.PageSize).Tables[0].DefaultView; view.Sort = String.Format("{0} {1}", sortField, sortDirection); GridDpt.DataSource = view.ToTable(); } else { string NodeId = TreeDpt.SelectedNodeID; GridDpt.RecordCount = BLL.GetRecordCount(" FatherId=" + NodeId); DataView view = BLL.GetListByPage(" FatherId=" + NodeId, " Id asc ", GridDpt.PageIndex * GridDpt.PageSize, (GridDpt.PageIndex + 1) * GridDpt.PageSize).Tables[0].DefaultView; view.Sort = String.Format("{0} {1}", sortField, sortDirection); GridDpt.DataSource = view.ToTable(); } GridDpt.DataBind(); }