Data field with different font colors

Hello

i get from my datasource two colums "space" and "name" (both type String).

Now i want in the report one data field like:
BirtStr.concat(dataSetRow["space"],dataSetRow["name"])

Is it possible to make dataSetRow["space"] in another font color?

E.g. dataSetRow["space"] should be white and dataSetRow["name"] should be black?

Or is there another option to make two different font colors?


Thanks and Regards
Benni