private void btnSave_Click(object sender, EventArgs e)
{
ClassProduct product = new ClassProduct();
product.saveProduct(newProduct);
this.Close();
}
private void EditProduct_Load(object sender, EventArgs e)
{
this.Text = product.codProduct;
txtIdProduct.Text = product.idProduct.ToString();
txtCodProduct.Text = product.codProduct;
txtCategory.Text = product.category;
txtModel.Text = product.model;
txtQuantity.Value = product.quantity;
txtValueProduct.Text = product.valueProduct.ToString();
rxtDescription.Text = product.description;
classProduct = new ClassProduct();
}