title: epplus - how to add datavalue to secondary axix and remove some legend entries
body: <p>I am using epplus package in the asp.net c#.</p>
  <ol>
  <li>how to add the data value to the secondary axis.
  (Note:ChartControl.DataLabel.ShowValue = true; - this is used to set it as primary axis data value)</li>
  <li>How to remove some legend entries
  (No such legend entries from the legend class)</li>
  </ol>
  <p>Note: Added Filler empty rows to put display it as stacked and unstackked chart in single chart</p>
  <p>I followed the answer from the below link:
  <a href="https://stackoverflow.com/questions/28540458/using-secondary-axis-for-chart-cause-x-axis-and-primary-y-axis-issue-excel/28547941#28547941">Using secondary axis for chart cause x-axis and primary y-axis issue (Excel)</a></p>
  <p><a href="https://i.stack.imgur.com/9kl0B.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/9kl0B.png" alt="enter image description here" /></a></p>
  <p><a href="https://i.stack.imgur.com/ZFLdK.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/ZFLdK.png" alt="enter image description here" /></a></p>