//Update the DataTable with new Data and Rebind to the chart
private void updateChart()
{
recordTable.Rows.Add(updateCount, float.Parse(lblIdleTime.Text), float.Parse(lblDiskTime.Text) * 10,
float.Parse(lblAvgDiskQ.Text) * 100, float.Parse(lblAvgTrans.Text) * 1000);
try
{
HDchart.DataBind();
}
catch (NullReferenceException ex)
{
//Occurs on forced exit
}
}
//Initialize the chart settings and the DataTable
private void setTableChart()
{
recordTable.Columns.Add("Count", typeof(int));
recordTable.Columns.Add("Idle Time", typeof(float));
recordTable.Columns.Add("Disk Time", typeof(float));
recordTable.Columns.Add("Avg Disk Queue", typeof(float));
recordTable.Columns.Add("Avg Transfer Req", typeof(float));
HDchart.Series.Add("% Disk Idle Time (1)");
HDchart.Series["% Disk Idle Time (1)"].ChartType = SeriesChartType.Line;
HDchart.Series["% Disk Idle Time (1)"].XValueMember = "Count";
HDchart.Series["% Disk Idle Time (1)"].YValueMembers = "Idle Time";
HDchart.Series.Add("% Disk Time (10)");
HDchart.Series["% Disk Time (10)"].ChartType = SeriesChartType.Line;
HDchart.Series["% Disk Time (10)"].XValueMember = "Count";
HDchart.Series["% Disk Time (10)"].YValueMembers = "Disk Time";
HDchart.Series.Add("Avg. Disk Queue (100)");
HDchart.Series["Avg. Disk Queue (100)"].ChartType = SeriesChartType.Line;
HDchart.Series["Avg. Disk Queue (100)"].XValueMember = "Count";
HDchart.Series["Avg. Disk Queue (100)"].YValueMembers = "Avg Disk Queue";
HDchart.Series.Add("Avg. Transfer Req (1000)");
HDchart.Series["Avg. Transfer Req (1000)"].ChartType = SeriesChartType.Line;
HDchart.Series["Avg. Transfer Req (1000)"].XValueMember = "Count";
HDchart.Series["Avg. Transfer Req (1000)"].YValueMembers = "Avg Transfer Req";
HDchart.ChartAreas[0].AxisY.Maximum = 100;
HDchart.ChartAreas[0].AxisX.Minimum = 0;
HDchart.ChartAreas[0].AxisX.IntervalType = DateTimeIntervalType.Seconds;
HDchart.ChartAreas[0].CursorX.IsUserEnabled = true;
HDchart.ChartAreas[0].CursorX.AutoScroll = true;
HDchart.DataSource = recordTable;
HDchart.DataBind();
}
