title: How do I apply Excel data validation for text length to a column with EPPlus?
body: <p>I am using EPPlus with C# to create an excel file.</p>
  
  <p>I want to put a data validation on a column to not except string longer than certain characters in its cells. Find the attached picture to better understand, what I mean.</p>
  
  <p><a href="https://i.stack.imgur.com/YDiFP.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/YDiFP.png" alt="Screen shot of the validation dialogue box"></a></p>
  
  <p>I can't find how to give the limitation. If someone has the solution or link to their valid documentaton. Please post it.</p>