i have gridpanel in my page and i want to expand it (somthing like height=100%) but i can't find any property that can use this is my code
this is my code :
<ext:Panel runat="server" ID="pnlEest">
<Body>
<div>
<ext:FitLayout ID="FitLayout1" runat="server">
<ext:GridPanel ID="GridPanel1" runat="server" StoreID="Store1" >
<TopBar>
<ext:Toolbar ID="ToolBar1" runat="server">
<Items>
<ext:Button ID="BtnInsert" runat="server" Text="Insert" IconCls="Button_Add">
<AjaxEvents>
<Click OnEvent="BtnInsert_Click">
<EventMask ShowMask="true" />
</Click>
</AjaxEvents>
</ext:Button>
<ext:Button ID="BtnUpdate" runat="server" Text="Update" IconCls="Button_Add">
<Listeners>
<Click Handler="#{GridPanel1}.reload();" />
</Listeners>
</ext:Button>
<ext:Button ID="BtnDelete" runat="server" Text="Delete" IconCls="Button_Add">
<Listeners>
<Click Handler="#{GridPanel1}.reload();" />
</Listeners>
</ext:Button>
</Items>
</ext:Toolbar>
</TopBar>
<ColumnModel ID="ColumnModel1" runat="server">
<Columns>
<ext:RowNumbererColumn />
<ext:Column ColumnID="IDField" DataIndex="Id" Header="Id" Sortable="true" Width="50"
Hidden="true">
<PrepareCommand Handler="" Args="grid,command,record,row,col,value" FormatHandler="False">
</PrepareCommand>
<PrepareCommands Handler="" Args="grid,commands,record,row,col,value" FormatHandler="False">
</PrepareCommands>
</ext:Column>
<ext:Column DataIndex="LocalName" Header="LocalName" Sortable="true" Width="120">
<PrepareCommand Handler="" Args="grid,command,record,row,col,value" FormatHandler="False">
</PrepareCommand>
<PrepareCommands Handler="" Args="grid,commands,record,row,col,value" FormatHandler="False">
</PrepareCommands>
</ext:Column>
<ext:Column DataIndex="LatinName" Header="LatinName" Sortable="true" Width="120">
<PrepareCommand Handler="" Args="grid,command,record,row,col,value" FormatHandler="False">
</PrepareCommand>
<PrepareCommands Handler="" Args="grid,commands,record,row,col,value" FormatHandler="False">
</PrepareCommands>
</ext:Column>
</Columns>
</ColumnModel>
<SelectionModel>
<ext:RowSelectionModel ID="RowSelectionModel1" runat="server" />
</SelectionModel>
<LoadMask ShowMask="true" />
<BottomBar>
<ext:PagingToolbar Cls="DataGrid_Footer" ID="PagingToolBar1" runat="server" DisplayInfo="True"
DisplayMsg="Documents {0} - {1} OF {2}" PageSize="2" StoreID="Store1" />
</BottomBar>
</ext:GridPanel>
</ext:FitLayout>
</div>
</Body>
</ext:Panel>