GridView Inside Repeater Control

Hai,
           I have kept GridView inside Repeater Control.In Repeater ItemDataBound Event i have bind Gridview.I have Kept 2 links in Grdiview.In GridView RowCommand Event,I need to get the datakey values.But i cant access the Grdiview.can Anyone pls tell me how to get access gridview.Here is My Code:
 <asp:Repeater ID="Repeater1" runat="server"
        onitemdatabound="Repeater1_ItemDataBound">
        <HeaderTemplate>          
        </HeaderTemplate>
        <ItemTemplate>
              <tr style="background-color:White; color:White">
            ...