public NovoPitanjePage(PitanjaViewModel stariModel)
{
model = new NovoPitanjeViewModel();
this.stariModel = stariModel;
this.BindingContext = model;
InitializeComponent();
datumPicker.MinimumDate = DateTime.Now;
Visestruki.SelectedItem = "Odabir jednog odgovora";
}
public PitanjaPage()
{
model = new PitanjaViewModel();
this.BindingContext = model;
InitializeComponent();
}