private void Add_Click(object sender, EventArgs e)
{
AddCoctailForm acForm = new AddCoctailForm();
using (var context = new MyDbContext())
{
List <Ingredient> ingredients = context.Ingredient.ToList();
acForm.Ingridient.DataSource = ingredients;
acForm.Ingridient.ValueMember = "Id";
acForm.Ingridient.DisplayMember = "Name";
DialogResult result = acForm.ShowDialog(this);
if (result == DialogResult.Cancel)
{
return;
}
var cocktail = new Cocktail
{
Name = acForm.Coctail.Text,
Time = (int)acForm.Time.Value
};
ingredients.Clear();
foreach (var scar in acForm.Ingridient.SelectedItems)
{
ingredients.Add((Ingredient)scar);
}
cocktail.Ingredient = ingredients;
context.Cocktail.Add(cocktail);
context.SaveChanges();
context.Cocktail.Load();
context.Ingredient.Load();
dataGridView1.DataSource = context.Cocktail.Local.ToBindingList();
}
}
private void Edit_Click(object sender, EventArgs e)
{
if (dataGridView1.SelectedRows.Count > 0)
{
int index = dataGridView1.SelectedRows[0].Index;
int id = 0;
bool converted = Int32.TryParse(dataGridView1[0, index].Value.ToString(), out id);
if (converted == false)
{
return;
}
using (var context = new MyDbContext())
{
Cocktail cocktail = context.Cocktail.Find(id);
AddCoctailForm acForm = new AddCoctailForm();
List <Ingredient> ingredients = context.Ingredient.ToList();
acForm.Ingridient.DataSource = ingredients;
acForm.Ingridient.ValueMember = "Id";
acForm.Ingridient.DisplayMember = "Name";
acForm.Ingridient.SelectedItem = null;
foreach (Ingredient i in cocktail.Ingredient)
{
acForm.Ingridient.SelectedItem = i;
}
acForm.Coctail.Text = cocktail.Name;
acForm.Time.Value = cocktail.Time;
DialogResult result = acForm.ShowDialog(this);
if (result == DialogResult.Cancel)
{
return;
}
cocktail.Name = acForm.Coctail.Text;
cocktail.Time = (int)acForm.Time.Value;
foreach (var ingredient in ingredients)
{
if (acForm.Ingridient.SelectedItems.Contains(ingredient))
{
if (!cocktail.Ingredient.Contains(ingredient))
{
cocktail.Ingredient.Add(ingredient);
}
}
else
{
if (cocktail.Ingredient.Contains(ingredient))
{
cocktail.Ingredient.Remove(ingredient);
}
}
}
context.Entry(cocktail).State = EntityState.Modified;
context.SaveChanges();
context.Cocktail.Load();
context.Ingredient.Load();
dataGridView1.DataSource = context.Cocktail.Local.ToBindingList();
}
}
}