This example demonstrates how to display custom data in a series point's label. To accomplish this task, it is necessary to handle the CustomDrawSeriesPoint event, then obtain any data field via the e.SeriesPoint.Tag property, and assign a custom string to the e.LabelText value.
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Added By: Alex (DevExpress Support) at: 4/8/2015 12:51:06 AM We decided to add the following feature into our To-Do list:
Include the SeriesPoint.Tag value to the SeriesLabel.TextPattern expression.