protected void AddFaculty_Click(object sender, EventArgs e)
 {
     if (!FacultySelector.SelectedValue.Equals(String.Empty) && !GroupIds.Contains(Convert.ToInt32(FacultySelector.SelectedValue)))
     {
         FacultyListField.Value += (FacultyListField.Value.Length > 0 ? "," : "") + FacultySelector.SelectedValue;
     }
     LoadTable();
     FacultySelector.ClearSelection();
 }
 protected void Page_Init(object sender, EventArgs e)
 {
     using (WebhostEntities db = new WebhostEntities())
     {
         List <int> ids = db.Faculties.OrderBy(f => f.LastName).ThenBy(f => f.FirstName).Select(f => f.ID).ToList();
         FacultySelector.DataSource     = FacultyListItem.GetDataSource(ids);
         FacultySelector.DataTextField  = "Text";
         FacultySelector.DataValueField = "ID";
         FacultySelector.DataBind();
     }
 }