private void BtnApply_Click(object sender, RoutedEventArgs e)
{
var ls = viewModelObj.GetApplyData();
js.UpdateSchoolRoot(ls, ApplyObj, SelectedSchool, SelectedMajor, SelectedClass);
Close();
}
private void BtnApply_Click(object sender, RoutedEventArgs e)
{
List <Models.AddStudentModel> ls = viewModelObj.GetApplyData();
js.UpdateGradeRoot(ls);
List <string> strls = new List <string> {
};
ls.ForEach(item => strls.Add(item.StuName));
js.UpdateSchoolRoot(strls, "Student", SelectedSchool, SelectedMajor, SelectedClass);
Close();
}