Gets or sets a value indicating whether the multi-level category labels should not be used.
true, to display axis labels as plain text without hierarchy; otherwise, false.
If you have a chart with the multi-level category labels and set the NoMultilevelLabels property to true, the label hierarchy will be lost and the category axis labels will be shown as plain text.
Currently, the SpeadsheetControl does not display the multi-level category labels. However, display settings are loaded and stored in supported formats, and you can modify them programmatically.
The images in the table below demonstrate how the NoMultilevelLabels property works (the charts are shown in Microsoft® Excel®)