private void ListViewRabbits_SelectionChanged(object sender, SelectionChangedEventArgs e)
{
if (ListViewRabbits.SelectedItem != null)
{
// select rabbit by casting to Rabbit type the object select in ListView
rabbit = (Rabbit)ListViewRabbits.SelectedItem;
TextBoxRabbitId.Text = rabbit.RabbitId.ToString();
TextBoxRabbitName.Text = rabbit.RabbitName;
TextBoxRabbitAge.Text = rabbit.Age.ToString();
}
// show data as read only
TextBoxRabbitId.IsReadOnly = true;
TextBoxRabbitName.IsReadOnly = true;
TextBoxRabbitAge.IsReadOnly = true;
// set edit button to active
ButtonEdit.IsEnabled = true;
}
private void ButtonAddRabbit_Click(object sender, RoutedEventArgs e)
{
if (ButtonAddRabbit.Content.ToString() == "Add Rabbit")
{
// text boxes now become editable
TextBoxRabbitName.IsReadOnly = false;
TextBoxRabbitAge.IsReadOnly = false;
// clear all text boxes
TextBoxRabbitId.Text = "";
TextBoxRabbitName.Text = "";
TextBoxRabbitAge.Text = "";
ButtonAddRabbit.Content = "Save";
}
else
{
// save new rabbit to database
if (TextBoxRabbitName.Text.Length > 0)
{
Int32.TryParse(TextBoxRabbitAge.Text, out int rabbitage);
var rabbitToAdd = new Rabbit()
{
RabbitName = TextBoxRabbitName.Text,
Age = rabbitage
};
// get database into memory (db = local computer copy of database)
using (var db = new RabbitDatabaseEntities()) {
db.Rabbits.Add(rabbitToAdd);
db.SaveChanges();
// update list
// firstly set to null
ListViewRabbits.ItemsSource = null;
// secondsly re-read rabbits afresh from database
rabbits = db.Rabbits.ToList();
ListViewRabbits.ItemsSource = rabbits;
}
}
ButtonAddRabbit.Content = "Add Rabbit";
}
}