public StudentInput(string gname)
 {
     InitializeComponent();
     this.Title  = gname;
     DataContext = this;
     StudentLName.Focus();
 }
 public StudentInput(StudentViewModel student)
 {
     InitializeComponent();
     this.Title = student.ConcatedName + " - info";
     this.Mode  = "Modify";
     this.Title = "Modify selected student";
     AddNextButton.Visibility = Visibility.Hidden;
     StudentLName.Text        = student.ConcatedName.Split(' ')[0];
     StudentFName.Text        = student.ConcatedName.Split(' ')[1];
     StudentSName.Text        = student.ConcatedName.Split(' ')[2];
     StudentBDate.Value       = new DateTime(int.Parse(student.BirthDate.Split('.')[2].Substring(0, student.BirthDate.Split('.')[2].IndexOf(' '))), int.Parse(student.BirthDate.Split('.')[1]), int.Parse(student.BirthDate.Split('.')[0]));
     StudentAM.Value          = Double.Parse(student.AM);
     StudentLName.Focus();
 }