Use the Text property of the Chart3DLabel class to set or change a Chart3DLabel's text. The Text property can be accessed at design time through the Chart3DLabel Collection Editor.
Use the LabelCompass property to specify label position relative to the attachment point. For instance, if the label is to be to the left of the point specified, setting this property to East will deliver the desired effect. LabelCompass can be accessed at design time in the Chart3DLabel Collection Editor.