protected void ddUserProfiles_SelectedIndexChanged(object sender, EventArgs e)
        {
            int userProfileID = Convert.ToInt32(ddUserProfiles.SelectedValue);

            crud crud = new crud();
            List<subscription> subscriptions = crud.getAllSubscriptionsForUserProfile(userProfileID);
            DataTable table = getFilledSubscriptionTable(subscriptions);

            grdResults.DataSource = table;
            grdResults.DataBind();

            resultsFor.InnerText = ddUserProfiles.SelectedItem.Text;
            ddCourseNames.SelectedIndex = -1;
            cldrDates.SelectedDate = DateTime.Now;
        }
        // initializers
        protected void Page_Load(object sender,EventArgs e)
        {
            NinaSubscriptionsMaster master = this.Master as NinaSubscriptionsMaster;
            master.setHeaderTitle(settingsHelper.get("title_mijn_gegevens"));

            userProfile user = master.getLoggedInUserProfile();
            if (user == null) { Response.Redirect("~/Pages/Public/bekijkAanbod.aspx"); };

            fillPersonalData(user);

            crud crud = new crud();

            lstvChildren.DataSource = crud.getAllChildrenForUserProfile(user.id);
            lstvChildren.DataBind();

            lstvSubscriptions.DataSource = crud.getAllSubscriptionsForUserProfile(user.id);
            lstvSubscriptions.DataBind();
        }