Sets or returns the formula to use to calculate the value for the text item. For example, if the formula is "=Sheet1!A1", the value in that cell will be the text displayed in the ChartText object.

(This has no meaning for SeriesDataLabel on a series or on a data point.)

<table class="wysiwyg-macro" data-macro-name="unmigrated-wiki-markup" style="background-image: url(/plugins/servlet/confluence/placeholder/macro-heading?definition=e3VubWlncmF0ZWQtd2lraS1tYXJrdXB9&amp;locale=en_GB&amp;version=2); background-repeat: no-repeat;" data-macro-body-type="PLAIN_TEXT"><tr><td class="wysiwyg-macro-body"><pre>
 public System.String Formula{ get; set; }
</pre></td></tr></table>

<p>Public Property Formula() As String</p>

The formula may be a reference to a cell, range of cells, or a union of such references.