public MySpecialitiesPage() { InitializeComponent(); MytaginfoList = uih.GetMyTagsByID(Settings.UserId); Alltagslist = th.GetTagList(); SelectSkills.ItemsSource = Alltagslist; SelectSkills.SelectedItems = MytaginfoList; SelectSkills.DisplayMember = "Pcategory"; SelectSkills.Title = "My Skills"; SelectSkills.UseAutoValueText = true; SelectSkills.KeepSelectedUntilBack = true; SelectSkills.SelectedCommand = new Command(RefreshTag); BindingContext = this; }