How to get all items selected from a checkboxlist?

Hi, I have a checkboxlist inside a templatefield of a detailsview...

    <asp:DetailsView ID="DetailsView1" runat="server" Height="50px" Width="784px"
        AutoGenerateRows="False" DataKeyNames="requestID"
        DataSourceID="requestDataSource" DefaultMode="Insert">
        <Fields&g ...