protected void ListBox1_SelectedIndexChanged(object sender, EventArgs e) { TabService.TabServiceClient tabServiceClient = new TabService.TabServiceClient("BasicHttpBinding_ITabService"); CourseService.CourseServiceClient courseServiceClient = new CourseService.CourseServiceClient("BasicHttpBinding_ICourseService"); ListBox2.Items.Clear(); ListBox2.DataSource = tabServiceClient.GetAllTabNames(courseServiceClient.GetCourseId(ListBox1.SelectedValue)); ListBox2.DataBind(); }
protected void Page_Load(object sender, EventArgs e) { if (!IsPostBack) { TabService.TabServiceClient tabServiceClient = new TabService.TabServiceClient("BasicHttpBinding_ITabService"); CourseService.CourseServiceClient courseServiceClient = new CourseService.CourseServiceClient("BasicHttpBinding_ICourseService"); ListBox1.DataSource = courseServiceClient.GetAllCourseName().ToList(); ListBox1.DataBind(); ListBox2.DataSource = tabServiceClient.GetAllTabNames(courseServiceClient.GetCourseId(ListBox1.SelectedValue)); ListBox2.DataBind(); } }