title: inner join using Linq Vb.net
body: <p>I'm trying to join two datatables of same keyfields.</p>
  
  <p>table1</p>
  
  <pre><code>ID     Class    
  ----   -----
  1       10  
  2       9   
  </code></pre>
  
  <p>table2</p>
  
  <pre><code>ID     Class
  ----   -----
  1       8   
  2       7   
  </code></pre>
  
  <p>Result</p>
  
  <pre><code>ID      Class1    Class2
  1        10       8
  2        9        7
  </code></pre>