//Тут ще не докінця дороблено, і саме тут виникає ця помилка яку я не можу знайти
private void DetailsButton_Click(object sender, RoutedEventArgs e)
{
if (GroupsComboBox.SelectedItem != null)
{
DetailsGrid.Visibility = Visibility.Visible;
DTOGroup group = groups.FirstOrDefault(g => g.GroupName == GroupsComboBox.Text);
List <DTOStudent> students = client.GetGroupStudents(group.StudentsId.ToList <int>());
List <DTOTest> tests = client.GetGroupTests(group.TestsId.ToList <int>());
studentsList.ItemsSource = students;
testsList.ItemsSource = tests;
}
else
{
MessageBox.Show("Please select group!");
}
}
public void SetListOfTest()
{
tests = client.GetGroupTests(dtoGroup.TestsId.ToList());
if (tests.Count != 0)
{
foreach (var t in tests)
{
string theme = themes.FirstOrDefault(f => f.Id == t.ThemeId).ThemeName;
TestViewModel testV = new TestViewModel()
{
TestId = t.TestId, TestName = t.TestName, MixQuestionsOrder = t.MixQuestionsOrder, MixAnswersOrder = t.MixAnswersOrder, TestTime = t.TestTime, ThemeId = t.ThemeId, ThemeName = theme
};
testsV.Add(testV);
}
testOfGroupGrid.ItemsSource = testsV;
}
}
