private void DataTable1_CheckedChanged_1(object sender, System.EventArgs e)
        {
            if (TableHelper == null)
            {
                TableHelper = new ChartDataTableHelper();
                TableHelper.Initialize(chart1);                //, ShowTotals.Checked);
                TableHelper.TableColor  = Color.FromName(this.TableColor.SelectedText);
                TableHelper.BorderColor = Color.FromName(this.BorderColor.SelectedText);
            }

            if (DataTable1.Checked)
            {
                TableHelper.AddDataTable("Default");
            }
            else
            {
                TableHelper.RemoveDataTable("Default");
            }
        }
        public PaintingDataTable()
        {
            //
            // Required for Windows Form Designer support
            //
            InitializeComponent();

            DataTable1.Checked            = true;
            ShowTitle.Checked             = true;
            FontSize.SelectedIndex        = 0;
            BorderColor.SelectedIndex     = 1;
            TableColor.SelectedIndex      = 2;
            RotateAxisLabel.SelectedIndex = 0;

            chart1.ChartAreas["Default"].AxisX.TitleFont = new Font("Arial", 8);

            if (DataTable1.Checked && TableHelper == null)
            {
                TableHelper = new ChartDataTableHelper();
                TableHelper.Initialize(chart1);                //, ShowTotals.Checked);
                TableHelper.TableColor  = Color.FromName(this.TableColor.SelectedText);
                TableHelper.BorderColor = Color.FromName(this.BorderColor.SelectedText);
            }
        }