AForge.Controls.Chart.UpdateDataSeries C# (CSharp) Method

        public void UpdateDataSeries( string name, double[,] data )
        {
            if ( !seriesTable.ContainsKey( name ) )
                throw new ArgumentException( "The chart does not contain data series with name: " + name );

            // get data series
            DataSeries	series = seriesTable[name];
            // update data
            series.data = ( data != null ) ? (double[,]) data.Clone( ) : null;

            // update Y range
            if ( series.updateYRange )
                UpdateYRange( );
            // invalidate the control
            Invalidate( );
        }

        // Load data
        private void loadDataButton_Click(object sender, System.EventArgs e)
        {
            // show file selection dialog
            if (openFileDialog.ShowDialog() == DialogResult.OK)
            {
                StreamReader reader = null;
                // read maximum 50 points
                double[] tempData = new double[50];

                try
                {
                    // open selected file
                    reader = File.OpenText(openFileDialog.FileName);
                    string str = null;
                    int    i   = 0;

                    // read the data
                    while ((i < 50) && ((str = reader.ReadLine()) != null))
                    {
                        // parse the value
                        tempData[i] = double.Parse(str);

                        i++;
                    }

                    // allocate and set data
                    data       = new double[i];
                    dataToShow = new double[i, 2];
                    Array.Copy(tempData, 0, data, 0, i);
                    for (int j = 0; j < i; j++)
                    {
                        dataToShow[j, 0] = j;
                        dataToShow[j, 1] = data[j];
                    }
                }
                catch (Exception)
                {
                    MessageBox.Show("Failed reading the file", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
                    return;
                }
                finally
                {
                    // close file
                    if (reader != null)
                    {
                        reader.Close();
                    }
                }

                // update list and chart
                UpdateDataListView();
                chart.RangeX = new Range(0, data.Length - 1);
                chart.UpdateDataSeries("data", dataToShow);
                chart.UpdateDataSeries("solution", null);
                // set delimiters
                UpdateDelimiters();
                // enable "Start" button
                startButton.Enabled = true;
            }
        }