Biskilog/BISKILOG POS PREMIUM/Delivery/quantityDelivery.cs

using BiskLog_Point_Of_Sale.Multiple_Login;
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace Point_Of_Sale_Managment
{
    public partial class quantityDelivery : Form
    {
        AddProductDelivery formSale;
        int number = 0;
        public quantityDelivery(AddProductDelivery formsales, int qut)
        {
            InitializeComponent();
            formSale = formsales;
            number = qut;
        }

        private void txtqty_TextChanged(object sender, EventArgs e)
        {

        }

        private void quantityManual_KeyDown(object sender, KeyEventArgs e)
        {

            if (e.KeyCode == Keys.Enter)
            {
                int quantity = int.Parse(txtqty.Text);
                int possibility = number - quantity;
                decimal cost = decimal.Parse(AddProductDelivery.price);
                decimal totalCost = quantity * cost;
                if (possibility >= 0)
                {
                    formSale.AddtoCart(quantity, totalCost);
                    this.Close();
                }
                else
                {
                    string title = "Out of stock";
                    string message = "Sorry you do not have enough quantity of the item available to sell to customer";
                    NoAction noAction = new NoAction(title, message);
                    noAction.BringToFront();
                    noAction.ShowDialog();
                }
            }
        }

        private void Txtqty_KeyPress(object sender, KeyPressEventArgs e)
        {
            if (e.KeyChar == 8)
            {
                //accepts backspace
            }
            else if ((e.KeyChar < 48) || (e.KeyChar > 57)) //ascii code 48-57 between 0-9
            {
                e.Handled = true;
            }
        }
    }
}