FineUI Grid控件高度自适应

<f:PageManager ID="PageManager1" runat="server" AutoSizePanelID="ResultSetGrid" />
<f:Grid ID="ResultSetGrid" runat="server" EnableCheckBoxSelect="true" Title="" DataKeyNames="ID"
            ShowBorder="false"
            PageSize="3"
            AllowPaging="true"
            IsDatabasePaging="true"
            OnPageIndexChange="ResultSetGrid_PageIndexChange"
            OnSort="ResultSetGrid_Sort"
            AllowSorting="true"
            SortField="ID">
            <Toolbars>
                <f:Toolbar ID="ResultSetGrid_Toolbar" runat="server">
                    <Items>
                        <f:Button ID="btnAdd" runat="server" Text="添加" OnClientClick="Add();" EnablePostBack="false" Icon="ApplicationAdd"></f:Button>
                        <f:Button ID="btnEdit" runat="server" Text="编辑" EnableAjax="true" OnClick="btnEdit_Click" Icon="ApplicationEdit"></f:Button>
                        <f:Button ID="btnDelete" runat="server" Text="删除" OnClick="btnDelete_Click" Icon="ApplicationDelete"></f:Button>

                        <f:Button ID="btnImport" runat="server" OnClientClick="Import();" Text="数据采集" Icon="ApplicationLink"></f:Button>
                        <f:Button ID="btnSelf" runat="server" OnClientClick="Filter();" Text="自定义筛选" Icon="ApplicationKey"></f:Button>
                    </Items>
                </f:Toolbar>
            </Toolbars>
            <Columns>
                <f:RowNumberField EnablePagingNumber="true" />
            </Columns>

        </f:Grid>