Help with nested repeater and parameters

I have a repeater called "myimages" that displays the name of an image and the image itself.  I need to nest another repeater (called myimagedetails) with the myimages repeater.  The myimagedetails contains a Grid.  

Is there a way to use a FUNCTION for my datasource of the nested myimagedetails repeater so I can pass a parameter?

The initial repeater has a value called "ImageID" that I'd like to pass via my fucntion.  The function would return a datatable based on the ImageID parameter and would load the Grid wtih the proper information.

Is this possible?  If so, could you provide me with an example of how I could achieve this?

Thanks!

Example below is as far as I've gotten.

<asp:Repeater ID="myimages" runat="server">
            <ItemTemplate>
               <table class="style1">
                <tr>
                    <td>
                        Image Name: <%# DataBinder.Eval(Container.DataItem, "name")%>
                        Picture:
                        <img alt="Picture" src="<%# DataBinder.Eval(Container.DataItem, "ImageURL")%>"  />
                    </td>
                    <td>
                        <asp:Repeater ID="myimagedetails" runat="server" DataBind=????????????????>
                            <ItemTemplate>
                                <asp:GridView ID="GridItemDetails" runat="server">
                                </asp:GridView>
                            </ItemTemplate>
                        </asp:Repeater>
                    </td>
                </tr>
            </table>           
            </ItemTemplate>
        </asp:Repeater>

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