protected override void OnInit(EventArgs e)
{
base.OnInit(e);
if(IsDesignMode)
return;
foreach(BubbleChartValue bubbleChartValue in BubbleChartValues) {
if(String.IsNullOrWhiteSpace(bubbleChartValue.Category))
throw new Exception("Category is missing the BubbleChartValue. Please provide a Category in the BubbleChartValue.");
if(bubbleChartValue.Data == 0)
throw new Exception("Data is missing the BubbleChartValue. Please provide a value of Data in the BubbleChartValue.");
}
}