// .ascx.cs Pagination Control
public partial class ABC_UserControls_Pagination : System.Web.UI.UserControl
{
    private string listControlID;

    public string ListControlID
    {
        get { return listControlID; }
        set { listControlID = value; }
    }

    protected void Page_Load(object sender, EventArgs e)
    {

    }

    protected void uxDataPager_OnInit(object sender, EventArgs e)
    {
        uxDataPager.PagedControlID = ListControlID;
    }
}