I have a problem and I hope someone is able to give me a hint.
I am using a chart with data points. At the moment I am using a datatipFunction in order to give each point a "tooltip".
Now I need the ability to load some data via httpservice and display this as tooltip instead of the original value while being over a point.
It is needede because of a lot of data and a continuous minimal change of its values. I don't want to reload every possible data. Only examined datatips should be updated.
mouse over datapoint --> tooltip: "please wait, while updating" --> httpservice finished --> tooltip: "new data xyz"
The datatip function only returns a string, that is displayed as tooltip. If the datatip function calls a httpservice, how can I update that tooltip text?
Retrieving data ...