I had already check mentioned post. I am not sure how Data page D_DoubleDonutDatapage is created. This Chart request 2 pagelist and keys for mapping. Can you share the how Datapage needs to be created with sample dummy data.
We don't yet offer a chart that looks exactly like the screenshot you posted, but I can give an example implementation of what Susan posted which will look like this:
In order to configure a Double Donut chart, you'll need to build a Data Page whose clipboard structure matches the chart's requirements as laid out in the Inputs tab of the Data Visualization control. Here's what my data page's clipboard structure looks like:
And here's how I configured a Data Transform with hardcoded sample data to build that structure:
Once you have an appropriate Data Page you can select it in your Data Visualization control and configure the Inputs tab to match each input to its associated property in the Data Page. Here's what that looks like in my case: