title: Compare two DataTables and return true or false if one row exists in the second table?
body: <p>I would like to check if a datatable value exists in the second datatable which will return true or false.</p>
  
  <pre><code> DataTable table1;
   DataTable table2;
  </code></pre>
  
  <p>if Any of table1 rows is in table2 then return true</p>