DataSet.getRowCount()

 // Create a chart with two datasets:
dataset = [["State", "Total", "Profit"],["NJ", 200, 25],["NY", 300, 150]]; (1)
graph = new EGraph();
var elem1 = new IntervalElement("State", "Total");
var elem2 = new IntervalElement("State", "Profit");
var frame = new StaticColorFrame(java.awt.Color.red);
elem2.setColorFrame(frame);
graph.addElement(elem1);
graph.addElement(elem2);

// Loop through the rows of the second dataset (Profit),
// and place labels on the bars.
for (var i=0; i<dataset.getRowCount(); i++) { (2)
  var form = new LabelForm();
  form.setLabel(dataset.getData(2,i));
  form.setValues([dataset.getData(0,i), dataset.getData(2,i)]);
  var spec = new TextSpec();
  spec.setColor(java.awt.Color.red)
  form.setTextSpec(spec)
  graph.addForm(form)
}