I have the following DataGrid in a Edit Page:

<asp:DataGrid ID="dgStoredKeys" runat=server DataKeyField="GoogleMapKeyID" BorderWidth="0"
CellPadding="4" AutoGenerateColumns="False" width="100%" cssclass="DataGrid_Container"
OnDeleteCommand="dgStoredKeys_DeleteCommand">
<HeaderStyle CssClass="NormalBold" VerticalAlign=top HorizontalAlign=Center/>
<ItemStyle CssClass="Normal" HorizontalAlign=Left />
<AlternatingItemStyle CssClass=Normal />
<EditItemStyle CssClass="NormalTextBox" />
<SelectedItemStyle CssClass="NormalRed" />
<FooterStyle CssClass="DataGrid_Footer" />
<PagerStyle CssClass="DataGrid_Pager" />           
<Columns>
    <dnn:imagecommandcolumn CommandName="Delete" ImageUrl="~/images/delete.gif" KeyField="GoogleMapKeyID" />
    <dnn:textcolumn DataField="Url" HeaderText="Url" />
    <dnn:textcolumn DataField="GoogleMapKey" HeaderText="API Key" />
</Columns>       
</asp:DataGrid>

If I put control in a page that inherits from ModuleSettingsBase it fires, but when I copy the code to another page that inherits from PortalModuleBase it doesn't fire. How can I fix it?

Thanks.