private void BindGrid()
        {
            string    sortField     = VRGrid.Columns[VRGrid.SortColumnIndex].SortField;
            string    sortDirection = VRGrid.SortDirection;
            DataTable table         = GetUserInfoDateTable();
            DataView  TableView     = table.DefaultView;

            TableView.Sort    = String.Format("{0} {1}", sortField, sortDirection);
            VRGrid.DataSource = TableView;
            VRGrid.DataBind();
        }
        /// <summary>
        /// 数据绑定
        /// </summary>
        private void BindGrid()
        {
            string   sortField     = VRGrid.Columns[VRGrid.SortColumnIndex].SortField;
            string   sortDirection = VRGrid.SortDirection;
            DateTime starttime     = dpStartDate.SelectedDate.Value;

            DateTime endtime = dpEndDate.SelectedDate.Value;

            if (!string.IsNullOrEmpty(dpStartDate.Text) && !string.IsNullOrEmpty(dpEndDate.Text) && starttime >= endtime)
            {
                FineUI.Alert.Show("结束日期必须大于等于开始日期");
                return;
            }
            DataTable table     = GetUserInfoDateTable(starttime.ToString(), endtime.AddHours(23).AddMinutes(59).ToString());
            DataView  TableView = table.DefaultView;

            TableView.Sort    = String.Format("{0} {1}", sortField, sortDirection);
            VRGrid.DataSource = TableView;
            VRGrid.DataBind();
        }