title: ASP.NET charts trend line
body: <p><p>I have basic bar charts showing some value (1 value per chart) on each day. The charts are rendered using standard MS ASP.NET charts.</P></p>
  
  <p>Now I would like to add a trend line. Has somebody done such thing and would be so kind to give me some hints how to approach this task? I know how to add a line to the chart, just would like to know whether someone already did such thing.</p>