Re: Assigning a Data Source to a Chart via JavaScript

I ran into the same problem.  You can't dynamically switch DataSources for a chart, however, you can re-assign a DataSource to a different query.

I have a chart assigned to DS_1:

On startup, I need to check a flag, and use a different query based on the value of the flag.

Since I can't dynamically switch the DataSource for the chart, I simply switch the query that feeds the DataSource like this:

I hope this helps.