private void BindInstallers()
    {
        DataSet dsGrp = new DataSet();
        Whitfield_Project wUser = new Whitfield_Project();
        dsGrp = wUser.GetInstallers();
        if (dsGrp.Tables[0].Rows.Count > 0)
        {

            chkInstallers.DataSource = dsGrp;
            chkInstallers.DataTextField = "InstallerName";
            chkInstallers.DataValueField = "UserId";
            chkInstallers.DataBind();
        }
    }