How to give condition for null values of multi select parameter in Ireport?
I am developing a report using iReport where I want to add a condition for null values. It's working with single select option as: (city=$P{p_city} or $P{p_city} is null) It means here if we do not pass any value for the city parameter, the report will work, but this is not working in case of a multiselect option. We have to choose a "Collection" value expression in iReport when we create a parameter: ($X{IN, country,p_country} or $P{p_country} is null) I have created two input controls in JasperReports Server to run this report. One is a single select, "Select City" and the other is a multi