private bool PointShouldBeDisplayed(VfPoint point)
        {
            if (!PropChartShowZeroValueData)
            {
                return((IsBubbleChart() && point.XAxisValue > 0 && point.YValue > 0) || (!IsBubbleChart() && point.YValue > 0));
            }

            return(true);
        }
 private string GetBubbleToolTipText(VfPoint dataPoint)
 {
     return(HttpUtility.HtmlEncode(string.Format("{0} - {5}:{6} {3}:{4} {1}:{2}", dataPoint.Title, PropChartZaxisFieldLabel, Math.Round(dataPoint.ZValue, 2), PropChartYaxisFieldLabel, Math.Round(dataPoint.YValue, 2), PropChartXaxisFieldLabel, Math.Round(dataPoint.XAxisValue, 2))));
 }