In this case I created a graph with different colors for positive and negative values. Crystal Reports version 2011 does not do this automatically. You need to help it.
I started with creating a straightforward vertical bar graph.
and changed it in to this:
Apart from some minor changes like removing the legend and adding data labels, I only had to do one major change: adding conditions to the Color Highlight tab.
In the Chart Expert I picked the tab Color Highlight:
I created two conditions for values below and above the zero line, as you can see.
In this example I experimented with the Access Northwind database. You can download the file here:
www.walmar.nl/zips/StackedBarAboveBelow.zip
You can also download the file through this link:
https://drive.google.com/folderview?id=0B7HgkOwFZtdZVmhRQUZFM28yc1U&usp=sharing
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