title: calculation shows NaN error
body: <p>In my visual studio report I have a sum of 2 textboxes that when calculated shows 'NaN'.  The reason it does this is because the calculation for certain projects is 0.  </p>
  
  <pre><code> My simple calculation is Textbox 1 / Textbox 2.
  </code></pre>
  
  <p>Is there a way I can code it to show 0.00 or show blank instead of NaN when a certain type of project is selected from the drop down parameters?</p>
  
  <p>I cannot have a seperate report for different prioject types as they are linked into the same overall Totals.</p>
  
  <p>any advice appreciated.</p>