private void Save_button_Click(object sender, EventArgs e)
{
productList = new List <Product>();
Product newProduct = new Product();
newProduct.Name = Name.Text;
newProduct.Price = Convert.ToDouble(Price.Text);
newProduct.Category = Category.Text;
newProduct.Brand = Brand.Text;
newProduct.Color = Color.Text;
newProduct.Barcode = Convert.ToInt32(Barcode.Text);
newProduct.Stock = Stock.Text;
newProduct.Ad = Ad.Text;
GridView.Rows.Add(newProduct.Name, newProduct.Price, newProduct.Category, newProduct.Brand, newProduct.Color, newProduct.Barcode, newProduct.Stock, newProduct.Ad);
productList.Add(newProduct);
Name.Clear();
Price.Clear();
Color.Clear();
Barcode.Clear();
Stock.Clear();
Ad.Clear();
}
void Clear()
{
txtretId.Clear();
txtorderid.Clear();
txtorderid.Clear();
Barcode.Clear();
Product_name.Clear();
R_price.Clear();
Qte.Clear();
Dis.Clear();
T_Pric.Clear();
Prog_User.Clear();
Notes.Clear();
}