private void BuildChart(DataTable labs)
{
SessionHandler sh = new SessionHandler(Session);
int patientId = sh.GetPatientId();
// get a list of selected charting types
var selectedLabs = from labItem in LabCheckList.Items.Cast <ListItem>()
where labItem.Selected
select labItem.Value;
if (selectedLabs.Count() > 0)
{
LabCheckList2.Visible = true;
if (LabCheckList2.SelectedValue.Length > 0)
{
selectedLabs = selectedLabs.Union
(from labItem in LabCheckList2.Items.Cast <ListItem>()
where labItem.Selected
select labItem.Value);
MainChart.BuildChart(labs, selectedLabs);
// if there are exactly two labs to chart, use right Y axis for second series
if (MainChart.Series.Count.Equals(2))
{
MainChart.ChartAreas[0].AxisY.Enabled = AxisEnabled.True;
MainChart.Series[0].YAxisType = AxisType.Primary;
MainChart.Series[0].XAxisType = AxisType.Primary;
MainChart.Series[0].XValueType = ChartValueType.DateTime;
// MainChart.ChartAreas[0].AxisY.LineColor = MainChart.Series[0].Color;
// MainChart.ChartAreas[0].AxisY.LineWidth = 2;
MainChart.ChartAreas[0].AxisY.TitleForeColor = MainChart.Series[0].Color;
MainChart.ChartAreas[0].AxisY2.Enabled = AxisEnabled.True;
MainChart.ChartAreas[0].AxisY2.MajorGrid.Enabled = false;
MainChart.Series[1].YAxisType = AxisType.Secondary;
MainChart.Series[1].XAxisType = AxisType.Primary;
MainChart.Series[1].XValueType = ChartValueType.DateTime;
// MainChart.ChartAreas[0].AxisY2.LineColor = MainChart.Series[1].Color;
// MainChart.ChartAreas[0].AxisY2.LineWidth = 2;
// MainChart.ChartAreas[0].AxisY2.MajorTickMark.LineColor = MainChart.Series[1].Color;
MainChart.ChartAreas[0].AxisY2.Title = MainChart.Series[1].Name;
MainChart.ChartAreas[0].AxisY2.TextOrientation = TextOrientation.Rotated270;
MainChart.ChartAreas[0].AxisY2.TitleForeColor = MainChart.Series[1].Color;
// MainChart.ChartAreas[0].AxisY2.TitleFont = new Font(MainChart.ChartAreas[0].AxisY2.TitleFont, FontStyle.Bold);
MainChart.ChartAreas[0].AxisX.Minimum = (MainChart.Series[0].Points[0].XValue < MainChart.Series[1].Points[0].XValue) ? MainChart.Series[0].Points[0].XValue : MainChart.Series[1].Points[0].XValue;
}
MainChart.ChartAreas[0].AxisY.Title = MainChart.Series[0].Name;
MainChart.ChartAreas[0].AxisY.TextOrientation = TextOrientation.Rotated90;
// MainChart.ChartAreas[0].AxisY.TitleFont = new Font(MainChart.ChartAreas[0].AxisY.TitleFont, FontStyle.Bold);
}
else
{
MainChart.BuildChart(labs, selectedLabs);
}
SetMinMaxDates(labs, selectedLabs);
// override default width
if (!String.IsNullOrEmpty(Request.QueryString["width"]))
{
MainChart.Width = int.Parse(Request.QueryString["width"]);
}
// override default height
if (!String.IsNullOrEmpty(Request.QueryString["height"]))
{
MainChart.Height = int.Parse(Request.QueryString["height"]);
}
chartErrors.Visible = false;
chartErrors.InnerHtml = "";
foreach (string selectedLab in selectedLabs)
{
if (LabHasBadPoints.Contains(selectedLab))
{
chartErrors.Visible = true;
chartErrors.InnerHtml += ("One or more " + selectedLab + " values could not be graphed.<br/><br/>");
}
}
}
}