title: Select distinct rows from datatable in Linq
body: <p>I am trying to get distinct rows based on multiple columns (attribute1_name, attribute2_name) and get datarows from datatable using Linq-to-Dataset.</p>
  
  <p><a href="https://i.stack.imgur.com/iZUa9.jpg" rel="noreferrer"><img src="https://i.stack.imgur.com/iZUa9.jpg" alt="Screenshot"></a></p>
  
  <p>I want results like this</p>
  
  <pre><code>attribute1_name    attribute2_name
  --------------     ---------------
  
  Age                State
  Age                weekend_percent
  Age                statebreaklaw
  Age                Annual Sales
  Age                Assortment
  </code></pre>
  
  <p>How to do thin Linq-to-dataset?</p>