pentaho-report-designer

问题 I have field which is taking string as datatype and that field has values like $20000 and N/A . I am using the string as datatype I want to show data like this $20000 and N/A , but I am getting it as a 20000 and N/A . How can I get data as $20000 and N/A . I am using that expression: =IF([annual_roll_amount]=="N/A";"N/A";"$" &[annual_roll_amount]) What is wrong in this expression and Is it ok to use that in value field under attributes?? 回答1: Your expression is wrong. you have to use