http://blogs.msdn.com/b/lukaszp/archive/2009/12/21/charts-in-a-tablix-cell-don-t-work-for-me-but-i-ve-see-these-nice-demos-where-they-do.aspxProblem: You may have learned about sparklines or you want to add a chart to your Tablix.  You either copy/paste your working(!!!) chart into the tablix and then you preview and you get: "The chart 'Chart1' has a detail member with inner membersen-USTelligent Evolution Platform Developer Build (Build: 5.6.50428.7875)