title: Get count of a row if value exists
body: <p>I am trying to get the count if value exists on datatable</p>
  
  <pre><code>String searchAuthor = "John Grisham"     
  bool contains = tbl.AsEnumerable()
                  .Any(row =&gt; searchAuthor == row.Field&lt;String&gt;("Author")); 
  </code></pre>
  
  <p>It will help me to check whether specific data is there or not
  but want to get count of Author column if data exists</p>
  
  <p>Edited:</p>
  
  <p>I want to get the count of "Author" Column if data exists
  Dont want to get the count of rows contains "John Grisham" in "Author"</p>