<obout:SuperForm ID="SuperForm1"
         runat="server"
         DataSourceID="SqlDataSource1"
         AutoGenerateRows="true" >
        <ClientSideEvents OnDeleting="SuperForm1_Deleting" OnInserting="SuperForm1_Inserting"
         OnUpdating="SuperForm1_Updating" />
</obout:SuperForm>            

function SuperForm1_Deleting(sender) {
    return confirm('Are you sure you want to delete this record?');
}

function SuperForm1_Inserting(sender) {
    return confirm('Are you sure you want to insert this record?');
}

function SuperForm1_Updating(sender) {
    return confirm('Are you sure you want to update this record?');
}