[iReport] How to format text style in text field

Requirement
The first row in this report, the report name will be appended "總預算\n" before report name. And "總預算" should be bold font. 

Solution
Step 1. Set Text Field Expression

Step 2. Set properties Markup = styled for this text field.

Reference

[1] http://stackoverflow.com/questions/8654851/format-the-text-style-in-text-field-ireport