protected void ButtonStock_Click(object sender, EventArgs e) { if (TextPrice.Text != "" && TextAmmount.Text != "") { StockBusiness stockBusiness = new StockBusiness(); int newammount = producto.stock.ammount + int.Parse(TextAmmount.Text); decimal newprice = Decimal.Parse(TextPrice.Text); stockBusiness.updatestock(producto.code, newammount, newprice); Response.Redirect("VerProductoAdmin.aspx?prod=" + producto.code); } }