Пример #1
0
        public void saveProduct(Product Pro)
        {
            cmd.CommandText = "INSERT INTO product(name, quantity, price)" +
                        " values(@name, @quantity, @price)";
            cmd.Parameters.AddWithValue("@name", Pro.getName());
            cmd.Parameters.AddWithValue("@quantity", Pro.getQuantity());
            cmd.Parameters.AddWithValue("@price", Pro.getPrice());

            cmd.ExecuteNonQuery();
            conn.Close();
        }
Пример #2
0
        public void updateProduct(Product Pro)
        {
            cmd.CommandText = " UPDATE product SET name = @name, quantity = @quantity, " +
                              " price = @price " +
                              " where id = @id ";
            cmd.Parameters.AddWithValue("@name", Pro.getName());
            cmd.Parameters.AddWithValue("@quantity", Pro.getQuantity());
            cmd.Parameters.AddWithValue("@price", Pro.getPrice());
            cmd.Parameters.AddWithValue("@id", Pro.getId());

            cmd.ExecuteNonQuery();
            conn.Close();
        }
Пример #3
0
        private void button1_Click(object sender, EventArgs e)
        {
            try
            {
                if (MessageBox.Show("Are you sure to add a product?", "Confirm", MessageBoxButtons.YesNo, MessageBoxIcon.Question) == DialogResult.Yes)
                {
                    name = textBoxName.Text;
                    quantity = double.Parse(textBoxQuantity.Text);
                    price = double.Parse(textBoxPrice.Text);
                    pro = new Product(name, quantity, price);

                    if (pro.repOK())
                    {
                        proMan = new ProductManager();
                        proMan.saveProduct(pro);

                        //write text file
                        //MessageBox.Show(cus.toString());
                        DateTime now = DateTime.Now;
                        System.IO.StreamWriter file = new System.IO.StreamWriter(@"property.txt", true);
                        file.WriteLine("Add Product{" + pro.toString() + "}" + "    " + now);
                        file.Close();
                        tableGetData();
                        MessageBox.Show("Add Product successfully.");

                    }
                    else
                    {
                        MessageBox.Show("Invalid Product.");
                    }
                }
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.ToString());
            }
        }
Пример #4
0
        private void button3_Click(object sender, EventArgs e)
        {
            try
            {
                if (MessageBox.Show("Are you sure to delete a product?", "Confirm", MessageBoxButtons.YesNo, MessageBoxIcon.Question) == DialogResult.Yes)
                {
                    int selectedIndex = table1.CurrentCell.RowIndex;
                    if (selectedIndex >= 0)
                    {
                        id = table1.Rows[selectedIndex].Cells[0].Value.ToString();

                        proMan = new ProductManager();
                        proMan.deleteProduct(id);

                        //write text file
                        pro = new Product();
                        DateTime now = DateTime.Now;
                        System.IO.StreamWriter file = new System.IO.StreamWriter(@"property.txt", true);
                        file.WriteLine("Delete Product{" + id + "}" + "    " + now);
                        file.Close();
                        tableGetData();
                        MessageBox.Show("Delete Product successfully.");

                    }
                    else
                    {
                        MessageBox.Show("Select a product to delete.");
                    }
                }
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.ToString());
            }
        }