title: Selecting columns with linq with nested dictionary
body: <p>How do I get all of the "columns" using linq from this dictionary.</p>
  
  <pre><code>Dictionary&lt;int, Dictionary&lt;int, string&gt;&gt; _cells;
  </code></pre>
  
  <p>where I can access a row this way</p>
  
  <pre><code>var someRow = _cells[2];
  </code></pre>
  
  <p>and I am able to get a cell</p>
  
  <pre><code>string cell = _cells[2][2];
  </code></pre>
  
  <p>What I am trying to do is create table.</p>
  
  <pre><code>    A | B | C | ...
  1 | * | * | * | ... 
  2 | * | * | * | ... 
  3 | * | * | * | ... 
  </code></pre>
  
  <p>Where I get the values of column A.</p>