Hi Robert,
I need to tell you that, If sampling is active, the value which is to be seen in the ItemLabel is the one of the drawn sample and there is no way to see the corresponding actual values, unless you zoom in. You can set the content of the labels through the
ItemLabelFormat property using
Format Expressions.
RadChart has also a tooltip feature. You can read the
online documentation on the topic. It explains how to enable the feature and customize it.
All the best,
Rosko
the Telerik team
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