You can use flavours to change the look of a field or combo box based on a condition. Each field has a default flavour , but you can add new ones and assign a condition to them. For each flavour you can define a font, border, color and all the set of properties of the field.
We deliver an example in the file which has a field with 2 flavours:
order_flavour.xre
This report creates an output like this:
the amount field will get a red color if the value is over 1000. In order to achieve this, the process has been:
In this example we have defined a new flavour called "Over1000" and we have set the condition to be "/Order/OrderDetail/ListOfItemDetail/ItemDetail/PricingDetail/TotalValue/MonetaryValue > 1000 ". The font color of the flavour has been set to red.