private void Window_Activated(object sender, EventArgs e)
{
lblStaffFirstname.Content = $"Inloggad som {Activestaff.Firstname} {Activestaff.Lastname}";
ListViewStaff1_Class1.ItemsSource = DbOperations.GetFirstGraders(1);
ListViewStaff1_Class1.DisplayMemberPath = "Fullinformation";
ListViewStaff1_Class2.ItemsSource = DbOperations.GetFirstGraders(2);
ListViewStaff1_Class2.DisplayMemberPath = "Fullinformation";
ListViewStaff1_Class3.ItemsSource = DbOperations.GetFirstGraders(4);
ListViewStaff1_Class3.DisplayMemberPath = "Fullinformation";
ListViewStaff1_Abscense.ItemsSource = DbOperations.GetSickAndHolidayChildren();
}
