hi all, i am a neww bee for jasper reports. so please help me on this , its urgent. i am using iReport 3.7.0 . i have create a report with 2 parameters $P{startdate} and $P{enddate}. i am able to generate report if i enter dates in the both the parameter. now the question is . if i leave any of the parameters blank or both the parameters blank the report will not show any data. the query what i have enterd is select * from tblTimeSheet where TSSubmitDate between $P{startdate} and $P{enddate}; so can any 1 tell me what should be the alternate query of it. so please help me on this. its urgent. thanks ...