Acumatica Smart Panel not showing Empty Data message when opening - acumatica

Question

I have a smart panel to show a popup on grid column click. This smart panel popup has one grid. This grid is opened without error and display data. But in-case if view doesn't have any data grid empty data message is not displaying. User has to click on grid toolbar refresh button.
<asp:Content ID="cont1" ContentPlaceHolderID="phDS" runat="Server">
<px:PXDataSource ID="ds" runat="server" Visible="True" TypeName="GraphName" PrimaryView="MyOrders" PageLoadBehavior="GoLastRecord" AttributesFound="False" EnableAttributes="False" SuspendUnloading="False">
<CallbackCommands>
<px:PXDSCallbackCommand Name="GotoSteps" Visible="False" DependOnGrid="PXGrid2" />
</CallbackCommands>
</px:PXDataSource>
</asp:Content>
<px:PXTab ID="tab" runat="server" Width="100%" Height="100%">
<Items>
<px:PXTabItem Text="Test Results">
<Template>
<px:PXGrid ID="PXGrid2" runat="server" OnRowDataBound="grid2_RowDataBound" DataSourceID="ds" Width="100%" Height="100%" SkinID="DetailsInTab" SyncPosition="True" TabIndex="2600">
<EmptyMsg ComboAddMessage="No records found.
Try to change filter or modify parameters above to see records here."
NamedComboMessage="No records found as '{0}'.
Try to change filter or modify parameters above to see records here."
NamedComboAddMessage="No records found as '{0}'.
Try to change filter or modify parameters above to see records here."
FilteredMessage="No records found.
Try to change filter to see records here."
FilteredAddMessage="No records found.
Try to change filter to see records here."
NamedFilteredMessage="No records found as '{0}'.
Try to change filter to see records here."
NamedFilteredAddMessage="No records found as '{0}'.
Try to change filter to see records here."
AnonFilteredMessage="No records found.
Try to change filter to see records here."
AnonFilteredAddMessage="No records found.
Try to change filter to see records here."></EmptyMsg>
<Levels>
<px:PXGridLevel DataKeyNames="OrderId" DataMember="MyOrders">
<Columns>
<px:PXGridColumn DataField="Steps" Width="180px" LinkCommand="GotoSteps" CommitChanges="true">
</px:PXGridColumn>
</Columns>
</px:PXGridLevel>
</Levels>
<AutoSize Enabled="True" />
<AutoCallBack />
<ActionBar>
<CustomItems>
<px:PXToolBarButton Text="Add Sample" Key="cmdSample" CommandName="AddSample" CommandSourceID="ds" DependOnGrid="PXGrid2">
<AutoCallBack>
<Behavior CommitChanges="True" PostData="Page"></Behavior>
</AutoCallBack>
</px:PXToolBarButton>
</CustomItems>
</ActionBar>
</px:PXGrid>
</Template>
<AutoCallBack Target="PXGrid2" Command="Refresh">
<Behavior RepaintControlsIDs="PXGrid2" />
</AutoCallBack>
</px:PXTabItem>
</Items>
<AutoSize Enabled="True" ></AutoSize>
</px:PXTab>
<asp:Content ID="cont2" ContentPlaceHolderID="phF" runat="Server">
<px:PXSmartPanel ID="pnlTestSteps" runat="server" Height="400px" Width="1100px" Caption="Test Steps" CaptionVisible="true" AutoReload="true" LoadOnDemand="true" Key="TestSteps" Style="position: static"
AutoCallBack-Target="StepsGrid" AutoCallBack-Command="Refresh" DesignView="Content">
<px:PXGrid ID="StepsGrid" runat="server" DataSourceID="ds" SkinID="Inquire" Height="90%"
Width="100%" AutoAdjustColumns="true" >
<EmptyMsg ComboAddMessage="No records found.
Try to change filter or modify parameters above to see records here."
NamedComboMessage="No records found as '{0}'.
Try to change filter or modify parameters above to see records here."
NamedComboAddMessage="No records found as '{0}'.
Try to change filter or modify parameters above to see records here."
FilteredMessage="No records found.
Try to change filter to see records here."
FilteredAddMessage="No records found.
Try to change filter to see records here."
NamedFilteredMessage="No records found as '{0}'.
Try to change filter to see records here."
NamedFilteredAddMessage="No records found as '{0}'.
Try to change filter to see records here."
AnonFilteredMessage="No records found.
Try to change filter to see records here."
AnonFilteredAddMessage="No records found.
Try to change filter to see records here."></EmptyMsg>
<Levels>
<px:PXGridLevel DataMember="TestSteps" Visible="true">
<Columns>
<px:PXGridColumn DataField="Name">
</px:PXGridColumn>
<px:PXGridColumn DataField="Description">
</px:PXGridColumn>
</Columns>
</px:PXGridLevel>
</Levels>
</px:PXGrid>
<px:PXPanel ID="PXPanel7" runat="server" SkinID="Buttons">
<px:PXButton ID="PXButton9" runat="server" DialogResult="OK" Text="OK"></px:PXButton>
</px:PXPanel>
</px:PXSmartPanel>
</asp:Content>
C# Graph Code
public PXAction<GraphClass> GoToSteps;
[PXButton(Tooltip = "Open Popup" )]
[PXUIField(DisplayName = "Steps")]
public virtual void gotoSteps() {
TestSteps.AskExt(true);
return;
}
Images