/// <summary>
 /// 构造函数,数据绑定VM
 /// </summary>
 public CoursePage()
 {
     InitializeComponent();
     vm = new CoursePageViewModel();
     studatalist = new List<TeachClassStu>();
     this.DataContext = vm;
     this.combo.ItemsSource = vm.coursename;
     this.combo.SelectionChanged += Combo_SelectionChanged;
 }
 public CoursePageUserControl()
 {
     InitializeComponent();
     vm = new CoursePageViewModel();
     studatalist = new List<TeachClassStu>();
     this.DataContext = vm;
     this.combo.ItemsSource = vm.coursename;
     this.combo.SelectionChanged += Combo_SelectionChanged;
     if (this.vm.currentcourse.CourseName!="")
     {
         studatalist = AccessDBHelper.GetStuList(vm.currentcourse.StudentListUrl);
         stulisturl = vm.currentcourse.StudentListUrl;
         onestudent.Visibility = Visibility.Visible;
         if (studatalist != null)
             studatalist.Sort(new TeachClassStu());
         this.namelist.ItemsSource = studatalist;
         this.onestudent.DataContext = studatalist;
     }
     else
     {
         this.pleaseselect.Visibility = Visibility.Visible;
     }
 }