private void Delete_Click(object sender, RoutedEventArgs e)
{
if (selectedProduct != null)
{
CodeFirst cf = new CodeFirst();
using (var transaction = cf.Database.BeginTransaction())
{
try
{
var op = cf.OrdersProducts.Where(p => p.IDPRODUCT == selectedProduct.IDPRODUCT);
PRODUCTS prod = cf.PRODUCTS.FirstOrDefault(p => p.IDPRODUCT == selectedProduct.IDPRODUCT);
if (op != null && prod != null)
{
foreach (var x in op)
{
cf.OrdersProducts.Remove(x);
}
cf.PRODUCTS.Remove(prod);
cf.SaveChanges();
transaction.Commit();
}
else
{
MessageBox.Show("Ошибка при удалении");
transaction.Rollback();
}
}
catch (Exception ex)
{
transaction.Rollback();
}
Products.Clear();
foreach (var x in cf.PRODUCTS)
{
Products.Add(x);
}
}
}
else
{
MessageBox.Show("Выберите продукт для удаления");
}
}
private void Add_Click(object sender, RoutedEventArgs e)
{
PRODUCTS product = new PRODUCTS {
NAME = this.name.Text, PRICE = int.Parse(this.price.Text), CURRENCY = this.currency.Text
};
CodeFirst cf = new CodeFirst();
cf.PRODUCTS.Add(product);
cf.SaveChanges();
Products.Clear();
foreach (var x in cf.PRODUCTS)
{
Products.Add(x);
}
}
private void Change_Click(object sender, RoutedEventArgs e)
{
CodeFirst cf = new CodeFirst();
if (selectedProduct != null)
{
PRODUCTS prod = cf.PRODUCTS.FirstOrDefault(p => p.IDPRODUCT == selectedProduct.IDPRODUCT);
prod.NAME = this.name1.Text;
prod.PRICE = int.Parse(this.price1.Text);
prod.CURRENCY = this.currency1.Text;
cf.SaveChanges();
Products.Clear();
foreach (var x in cf.PRODUCTS)
{
Products.Add(x);
}
}
else
{
MessageBox.Show("Выберите товар для редактирования");
}
}
