SQL Insert after Updating Gridview???

Hi,

I have a gridview binded to objectdatasouce which has editing enabled and this returns data from   a table called  Models.
Model
FirstName  - nvarchar
LastName - nvarchar
Approved - Boolean
Updated - Boolean

Objectdatasource
        <asp:ObjectDataSource ID="ObjectDataSource3" runat="server"                        SelectMethod="EditUpdates"             TypeName="CampaignTableAdapters.ModelTableAdapter"         UpdateMethod="UpdateModel" onupdated="ObjectDataSource3_Updated">      ...