Coffee Shop Pos System using C#.NET

The Coffee Shop Pos System using C#.NET. The project is built to manage sales and transactions. To make a new transaction, fields such as: Rice Type and Drink type, qty needs to be selected. If you like to learn point of sales systems step by step, this is the right place to learn from the beginning. In this tutorial useful for making a point of sales system for small a shops.

The system shall be able to select the relevant Drink type and Rice type.

Create the Variables

string name;
int price;
int tot;

Add Button

        private void button1_Click(object sender, EventArgs e)
        {
            if(checkBox1.Checked)
            {
                name = "Fried Rice";
                int qty = int.Parse(numericUpDown1.Text);
                price = 23;
                 tot = qty * price;
                 this.dataGridView1.Rows.Add(name, price, qty, tot);

            }
            if (checkBox2.Checked)
            {
                name = "Chicken";
                int qty = int.Parse(numericUpDown2.Text);
                 price = 15;
                 tot = qty * price;
                 this.dataGridView1.Rows.Add(name, price, qty, tot);
            }

            

            if (checkBox3.Checked)
            {
                name = "Fish";
                int qty = int.Parse(numericUpDown3.Text);
               price = 25;
               tot = qty * price;
               this.dataGridView1.Rows.Add(name, price, qty, tot);
            }


            if (checkBox4.Checked)
            {
                name = "Orange Juice";
                int qty = int.Parse(numericUpDown6.Text);
                price = 35;
                tot = qty * price;
                this.dataGridView1.Rows.Add(name, price, qty, tot);
            }


            if (checkBox5.Checked)
            {
                name = "Coffee";
                int qty = int.Parse(numericUpDown5.Text);
                price = 50;
                tot = qty * price;
                this.dataGridView1.Rows.Add(name, price, qty, tot);
            }

            if (checkBox6.Checked)
            {
                name = "Tea";
                int qty = int.Parse(numericUpDown4.Text);
                price = 10;
                tot = qty * price;
                this.dataGridView1.Rows.Add(name, price, qty, tot);
            }



            int sum = 0;

            for (int row = 0; row < dataGridView1.Rows.Count; row++)
            {
                sum = sum + Convert.ToInt32(dataGridView1.Rows[row].Cells[3].Value);
            }

            txtsum.Text = sum.ToString();
        }
    }