We have released version 3.4 of MindFusion.Charting for WebForms. It contains the following new features:

~ zoom into chart data interactively;
~ specify what sub-range of the data source to display;
~ save and load charts to/from XML;
~ select the series whose labels to display in multi-series charts;

Registered customers with an active upgrade subscription can download the licensed version from the clients area on our site.
    
A trial version is available for download here:
https://www.mindfusion.eu/WebChartingTrial.zip

Enjoy!