Make Smart Panel Grid refresh on open

RefreshSmartPanelGrid.aspx

  <px:PXSmartPanel
	runat="server"
	ID="PnlSSCSHistory"
	CommandSourceID="ds"
	Caption="History"
	CaptionVisible="True"
	Height="400px"
	Width="800px"
	LoadOnDemand="true"
	Key="History"
	AutoCallBack-Command="Refresh" AutoCallBack-Target="CstPXGrid34" CreateOnDemand="True"
	>

	<px:PXGrid AllowPaging="True" Width="100%" DataSourceID="ds" SkinID="Inquire" runat="server" ID="CstPXGrid34">
		<Levels>
			<px:PXGridLevel DataMember="History" >
				<Columns>
					<px:PXGridColumn DataField="ToolNbr" Width="140" ></px:PXGridColumn>
					<px:PXGridColumn DataField="RequesterID" Width="70" ></px:PXGridColumn>
					<px:PXGridColumn DataField="CustomerLocationID" Width="70" ></px:PXGridColumn>
					<px:PXGridColumn DataField="DateOut" Width="90" ></px:PXGridColumn>
					<px:PXGridColumn DataField="DateDue" Width="90" ></px:PXGridColumn>
					<px:PXGridColumn DataField="DateIn" Width="90" ></px:PXGridColumn>
				</Columns>
			</px:PXGridLevel>
		</Levels>
		<AutoSize Enabled="True" ></AutoSize>
	</px:PXGrid>
	<px:PXPanel runat="server" ID="CstPanelSSCS3" SkinID="Buttons">
		<px:PXButton runat="server" ID="CstHistory" DialogResult="OK" Text="OK" CommandSourceID="ds" ></px:PXButton>
	</px:PXPanel>
  </px:PXSmartPanel>