title: drawing line graph with primary and secondary y axis c#
body: <p>I have been researching ways of drawing charts in c#. I have a specific requirement of drawing a chart with a y axis and x axis and a seconday y axis.I have tried using excel Interop but have not found a solution.I have started working on MSChart component but not reached anything yet the data i am working with is</p>
  
  <pre><code>index lines branches
  1      20     5
  2      30     8
  3      34     6
  </code></pre>
  
  <p>i want to plot the indexies on the x-axis and scale for lines on the left y axis and a scale for branches on the right y axis.</p>
  
  <p>I am using .net versions 2.0 and 3.5 if that helps</p>