Hi, I have made a report with iReport 3.0.0 using a collection as parameter. This collection is a list of customer code that I want to keying manually. When I run the report from iReport, it works fine. I can put 1 or several code and I have my report. I have created a new report unit in jasperserver. In the input control, I can not have a type "collections", only string. I have tried using string, but then I have an error message. How can I convert string to collections in order to have my report running ? I do not want to have a input control based on a multiple query, because I have more than 2000 customers. So, if you have any idea, it wiil be helpfull. Thanks Remi