<p>Is there a way to change SQL Reporting "chart type" and "sub type" at runtime?</p>

<p>I'm working with a .rdlc report and can't seem to figure out the way to change this at runtime.  I don't have the "Expression" ability in either of these fields.</p>

I am trying to do this exact same thing.  I have a set of measures that are shown and then a chart underneath that will show only one measure at a time, depending on user input (which of the measures they wish to see in chart form).  However, certain measures are better as columns instead of lines, so I'd like to change the chart type at render-time.
My initial idea is to overlap two charts and set their visibility opposite of each other and according to the user dropdown input.  Seems like there could be an easier way (if that idea would even work in the first place?)
Thanks.