public void loadChartSoldItems()
        {
            try
            {
                Controller.posController pos = new Controller.posController();
                MySqlDataAdapter         sda = pos.loadChartSoldItems(soldItems.dateTimePicker4.Value.ToString("yyyy-MM-dd"), soldItems.dateTimePicker3.Value.ToString("yyyy-MM-dd"));
                DataSet data = new DataSet();
                sda.Fill(data, "SOLDITEMS");
                chart1.DataSource = data.Tables["SOLDITEMS"];
                Series series = chart1.Series[0];
                series.ChartType = SeriesChartType.Doughnut;

                series.LabelForeColor = Color.White;
                series.Name           = "SOLD ITEMS";

                var chart = chart1;

                chart1.Series[0].XValueMember  = "description";
                chart1.Series[0].YValueMembers = "total";

                chart.Series[0].IsValueShownAsLabel = true;
                chart.Series[0].LabelFormat         = "{#,##0.00}";
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message);
            }
        }