コード例 #1
0
        private void id_search_bttn_Click(object sender, EventArgs e)
        {
            id = Convert.ToInt32(c_id_value.Text);

            db = new Database.DatabaseHandler();
            db.openConnection();
            query = "select M_ID  from customer where C_ID=" + id;

            try
            {
                MySqlCommand cmd = new MySqlCommand(query, db.getmyConn());
                cmd.ExecuteNonQuery();
                mid = Convert.ToInt32(cmd.ExecuteScalar());
            }
            catch (Exception ev)
            {
                MessageBox.Show(ev.ToString());
            }
            db.closeConnection();

            sv.set_m_ID(id, mid);

            this.Close();
            sv.Visible = true;
        }
コード例 #2
0
        private void insert_bttn_Click(object sender, EventArgs e)
        {
            db.openConnection();

            prod_name     = product_name.Text;
            branch_Name   = branch_name.Text;
            prod_quantity = product_quantity.Text;

            query = "insert into stores_in(P_ID,P_Quantity,Branch_ID) values((select p.P_ID from product as p where p.P_Name='" + prod_name + "')," + prod_quantity + ",(select b.Branch_ID from branch as b where location = '" + branch_Name + "'))";

            try
            {
                MySqlCommand cmd = new MySqlCommand(query, db.getmyConn());

                cmd.ExecuteNonQuery();

                MessageBox.Show("Inserted");
                view();
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.ToString());
            }
        }
コード例 #3
0
        private void ok_bttn_Click(object sender, EventArgs e)
        {
            db.openConnection();
            dateTimefrom = dateTimePicker1.Value.ToString("yyyy-MM-dd");
            dateTimeto   = dateTimePicker2.Value.ToString("yyyy-MM-dd");

            String[] columns = new[] { "Total_Cost", "Total_Sold", "report" };

            List <List <String> > list = new List <List <string> >();

            query = "SELECT SUM(warehouse.Price) as Total_Cost,SUM(transaction.Total_Price) as Total_Sold,( SUM(warehouse.Price) - SUM(transaction.Total_Price) ) as report " +
                    "FROM transaction, warehouse " +
                    "WHERE warehouse.S_Date between '" + dateTimefrom + "' AND '" + dateTimeto +
                    "' AND transaction.Date between '" + dateTimefrom + "' AND '" + dateTimeto + "'";

            try
            {
                MySqlCommand cmd = new MySqlCommand(query, db.getmyConn());

                MySqlDataReader dataReader = cmd.ExecuteReader();

                while (dataReader.Read())
                {
                    List <String> arr = new List <string>();

                    for (int i = 0; i < 3; i++)
                    {
                        arr.Add(dataReader[columns[i]].ToString());
                    }
                    list.Add(arr);
                }
                dataReader.Close();

                dataReader = cmd.ExecuteReader();

                if (dataReader.Read())
                {
                    String report = null;
                    report = dataReader.GetString(2);

                    int rep = Convert.ToInt32(report);

                    if (rep < 0)
                    {
                        columns[2] = "Loss";
                        rep        = Math.Abs(rep);
                        list[0][2] = Convert.ToString(rep);
                    }
                    else
                    {
                        columns[2] = "Benefit";
                    }
                }
                dataReader.Close();

                DataTable dt = new DataTable();

                for (int j = 0; j < 3; j++)
                {
                    dt.Columns.Add(columns[j]);
                }
                foreach (var array in list)
                {
                    dt.Rows.Add(array.ToArray());
                }

                salesReportView.DataSource = dt;
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.ToString());
            }

            db.closeConnection();
        }