title: LINQ Left Join And Right Join
body: <p>I need a help,</p>
  
  <p>I have two dataTable called A and B , i need all rows from A and matching row of B</p>
  
  <p>Ex:</p>
  
  <pre><code>A:                                           B:
  
  User | age| Data                            ID  | age|Growth                                
  1    |2   |43.5                             1   |2   |46.5
  2    |3   |44.5                             1   |5   |49.5
  3    |4   |45.6                             1   |6   |48.5
  </code></pre>
  
  <p>I need  Out Put:</p>
  
  <pre><code>User | age| Data |Growth
  ------------------------                           
  1    |2   |43.5  |46.5                           
  2    |3   |44.5  |                          
  3    |4   |45.6  |
  </code></pre>