Hi,everybody,recently,I work on ireport.List component is a powerful component,but I don't know is my knowledge limited or ireport really exist restrictions.I use a list as dataset,It works.But now I have two list component,I want to put one to antother.For instance,I want to show case info,cover is relate to case info,if their type is the same,cover material will show under specific case info.DataSet1 has a field caseType and DataSet2 has a field coverType.If caseType!=coverType,no need show cover info under the specific case.Unlucky,I could not access caseType in DataSet2.I don't know whether I decribe clear,anybody know the solution,please tell me. Thanks in advance.