private void btnUpdate_Click(object sender, EventArgs e)
{
Product product = new Product
{
Id = Convert.ToInt32(dgwProducts.CurrentRow.Cells[0].Value),
Name = tbxUpdateName.Text,
UnitPrice = Convert.ToDecimal(tbxUpdateUnitPrice.Text),
StockAmount = Convert.ToInt32(tbxUpdateStock.Text),
};
_productDal.UpdateProduct(product);
UpdateTable();
MessageBox.Show("Product Updated!");
}