private void PickerPrueba_SelectedIndexChanged(object sender, EventArgs e)
        {
            CardData cards = new CardData();

            //Aqui se ponen los meses para establecer las fechas
            List <CardView> dataCards = new List <CardView>();

            var item = pickerPrueba.SelectedItem as ItemMonth;

            switch (item.MonthName)
            {
            case "Enero":

                foreach (var card in cards.Enero())
                {
                    if (card.DueDate >= DateTime.Now.Date)
                    {
                        dataCards.Add(new CardView(card));
                    }
                }

                eventsList.ItemsSource = dataCards;

                break;

            case "Febrero":

                foreach (var card in cards.Febrero())
                {
                    if (card.DueDate >= DateTime.Now.Date)
                    {
                        dataCards.Add(new CardView(card));
                    }
                }

                eventsList.ItemsSource = dataCards;

                break;

            case "Marzo":

                foreach (var card in cards.Marzo())
                {
                    if (card.DueDate >= DateTime.Now.Date)
                    {
                        dataCards.Add(new CardView(card));
                    }
                }

                eventsList.ItemsSource = dataCards;

                break;

            case "Abril":

                foreach (var card in cards.Abril())
                {
                    if (card.DueDate >= DateTime.Now.Date)
                    {
                        dataCards.Add(new CardView(card));
                    }
                }

                eventsList.ItemsSource = dataCards;

                break;

            case "Mayo":

                foreach (var card in cards.Mayo())
                {
                    if (card.DueDate >= DateTime.Now.Date)
                    {
                        dataCards.Add(new CardView(card));
                    }
                }

                eventsList.ItemsSource = dataCards;

                break;

            case "Junio":

                foreach (var card in cards.Junio())
                {
                    if (card.DueDate >= DateTime.Now.Date)
                    {
                        dataCards.Add(new CardView(card));
                    }
                }

                eventsList.ItemsSource = dataCards;

                break;

            case "Julio":

                foreach (var card in cards.Julio())
                {
                    if (card.DueDate >= DateTime.Now.Date)
                    {
                        dataCards.Add(new CardView(card));
                    }
                }

                eventsList.ItemsSource = dataCards;

                break;

            case "Agosto":

                foreach (var card in cards.Agosto())
                {
                    if (card.DueDate >= DateTime.Now.Date)
                    {
                        dataCards.Add(new CardView(card));
                    }
                }

                eventsList.ItemsSource = dataCards;

                break;

            case "Septiembre":

                foreach (var card in cards.Septiembre())
                {
                    if (card.DueDate >= DateTime.Now.Date)
                    {
                        dataCards.Add(new CardView(card));
                    }
                }

                eventsList.ItemsSource = dataCards;

                break;

            case "Octubre":

                foreach (var card in cards.Octubre())
                {
                    if (card.DueDate >= DateTime.Now.Date)
                    {
                        dataCards.Add(new CardView(card));
                    }
                }

                eventsList.ItemsSource = dataCards;

                break;

            case "Noviembre":

                foreach (var card in cards.Noviembre())
                {
                    if (card.DueDate >= DateTime.Now.Date)
                    {
                        dataCards.Add(new CardView(card));
                    }
                }

                eventsList.ItemsSource = dataCards;

                break;

            case "Diciembre":

                foreach (var card in cards.Diciembre())
                {
                    if (card.DueDate >= DateTime.Now.Date)
                    {
                        dataCards.Add(new CardView(card));
                    }
                }

                eventsList.ItemsSource = dataCards;

                break;
            }
        }