hi everybody i am a fresher to jasper report and ireport i want to make some reports with sqlserver 2005 database connection...i tried to make some reports from ireport bt i ve to make some calculated measures,for example a ,b,c are coloumns in my database table,i ve to make a new column in my report ((a+b)/(c*1.35)*100) like this i ve to make a calculated colum...i tried alot bt i failed to do that can any one help me to solve tis problem. the other issue is ...i ve to connect one report to other,i mean when i click on the bar of a bar char it should link to corresponding report.i tried with item hyperlink.bt nt working :-( the last one is i tried with paramater,its working bt the datas are not coming in the dropdownlist..i ve to write it down then the report is coming according to the parameter..bt my issue is i ve to get values in the drop down list.can u please help me to solve these issues i am in a critical situation.......please help me.....:-( thanking you Anjana N Panicker