private void ButtonAdd_Click(object sender, EventArgs e)
{
if (ButtonAdd.Content.Equals("Add"))
{
ButtonAdd.Background = (SolidColorBrush)(new BrushConverter().ConvertFrom("#D9C216"));
ButtonAdd.Content = "Save";
TextBoxName.Text = "";
AgeBoxName.Text = "";
TextBoxName.IsReadOnly = false;
AgeBoxName.IsReadOnly = false;
ButtonEdit.IsEnabled = false;
ButtonDelete.IsEnabled = false;
//ButtonAdd.IsEnabled = false;
}
else
{
{
ButtonAdd.Content = "Add";
ButtonAdd.Background = (SolidColorBrush)(new BrushConverter().ConvertFrom("#B3C6ED"));
TextBoxName.Background = (SolidColorBrush)(new BrushConverter().ConvertFrom("#D3E9ED"));
AgeBoxName.Background = (SolidColorBrush)(new BrushConverter().ConvertFrom("#D3E9ED"));
TextBoxName.IsReadOnly = true;
AgeBoxName.IsReadOnly = true;
// commit changes
if ((TextBoxName.Text.Length > 0) && (AgeBoxName.Text.Length > 0))
{
// get age
if (int.TryParse(AgeBoxName.Text, out int age))
{
var RabbitToAdd = new Rabbit()
{
Name = TextBoxName.Text,
Age = age
};
// read db and add new rabbit
using (var db = new RabbitDbEntities())
{
db.Rabbits.Add(RabbitToAdd);
db.SaveChanges();
// update view
rabbit = null;
rabbits = db.Rabbits.ToList();
ListBoxRabbits.ItemsSource = null;
ListBoxRabbits.ItemsSource = rabbits;
}
}
}
ButtonAdd.IsEnabled = true;
}
}
}
private void ButtonEdit_Click(object sender, RoutedEventArgs e)
{
if (ButtonEdit.Content.Equals("Edit"))
{
ButtonEdit.Background = (SolidColorBrush)(new BrushConverter().ConvertFrom("#D9C216"));
ButtonEdit.Content = "Save";
TextBoxName.IsReadOnly = false;
AgeBoxName.IsReadOnly = false;
}
else
{
ButtonEdit.Content = "Edit";
if ((TextBoxName.Text.Length > 0) && (AgeBoxName.Text.Length > 0))
{
if (rabbit != null)
{
rabbit.Name = TextBoxName.Text;
// rabbit.Age = AgeBoxName.Text.ToString();
if (int.TryParse(AgeBoxName.Text, out int age))
{
rabbit.Age = age;
}
using (var db = new RabbitDbEntities())
{
// read rabbit from database by ID,
var rabbitToUpdate = db.Rabbits.Find(rabbit.RabbitID);
//update rabbit
rabbitToUpdate.Name = rabbit.Name;
rabbitToUpdate.Age = rabbit.Age;
//save rabbit to db
db.SaveChanges();
rabbit = null;
// clear listbox
ListBoxRabbits.ItemsSource = null; // remove binding
ListBoxRabbits.Items.Clear(); // clear it out
// repopulate listbox
rabbits = db.Rabbits.ToList(); // get rabbits
ListBoxRabbits.ItemsSource = rabbits; // bind to list again
}
}
}
}
}
void Initialise()
{
// using = auto clean up c# will clear the memory
using (var db = new RabbitDbEntities())
{
rabbits = db.Rabbits.ToList();
}
// manual method
//rabbits.ForEach(rabbit => ListBoxRabbits.Items.Add(rabbit))
// Binding the listbox to the database
ListBoxRabbits.ItemsSource = rabbits;
TextBoxName.IsReadOnly = true;
AgeBoxName.IsReadOnly = true;
ButtonEdit.IsEnabled = false;
ButtonDelete.IsEnabled = false;
}
