//Add
private void button3_Click(object sender, EventArgs e)
{
var db = new ChemistryContext();
IngredientsForm ingForm = new IngredientsForm();
List <Recipe> recipes = db.Recipes.ToList();
ingForm.comboBox1.DataSource = recipes;
ingForm.comboBox1.ValueMember = "Id";
ingForm.comboBox1.DisplayMember = "Name";
DialogResult result = ingForm.ShowDialog(this);
//if (result == DialogResult.Cancel)
// return;
Ingredient ingredient = new Ingredient();
ingredient.Name = ingForm.textBox1.Text;
ingredient.Composition = ingForm.textBox2.Text;
ingredient.Description = ingForm.textBox3.Text;
ingredient.Amount = ingForm.textBox4.Text;
ingredient.Recipe = (Recipe)ingForm.comboBox1.SelectedItem;
db.Ingredients.Add(ingredient);
db.SaveChanges();
MessageBox.Show("New ingredient added");
}
//Change
private void button1_Click(object sender, EventArgs e)
{
if (dataGridView1.SelectedRows.Count > 0)
{
var db = new ChemistryContext();
int index = dataGridView1.SelectedRows[0].Index;
int id = 0;
bool converted = Int32.TryParse(dataGridView1[0, index].Value.ToString(), out id);
if (converted == false)
{
return;
}
Ingredient ingredient = db.Ingredients.Find(id);
IngredientsForm ingForm = new IngredientsForm();
ingredient.Name = ingForm.textBox1.Text;
ingredient.Composition = ingForm.textBox2.Text;
ingredient.Description = ingForm.textBox3.Text;
ingredient.Amount = ingForm.textBox4.Text;
List <Recipe> recipes = db.Recipes.ToList();
ingForm.comboBox1.DataSource = recipes;
ingForm.comboBox1.ValueMember = "Id";
ingForm.comboBox1.DisplayMember = "Name";
DialogResult result = ingForm.ShowDialog(this);
//if (result == DialogResult.Cancel)
// return;
ingredient.Name = ingForm.textBox1.Text;
ingredient.Composition = ingForm.textBox2.Text;
ingredient.Description = ingForm.textBox3.Text;
ingredient.Amount = ingForm.textBox4.Text;
ingredient.Recipe = (Recipe)ingForm.comboBox1.SelectedItem;
db.Entry(ingredient).State = EntityState.Modified;
db.SaveChanges();
MessageBox.Show("Объект обновлен");
}
}