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hello, I have the same problem. I get a blank subreport with csv-files as datasource. Did you ever get a solution for your problem. I'm very interrested. (see http://community.jaspersoft.com/questions/1034251/are-there-examples-subreports-csv-files) Thanks Thomas

hello, did you find a solution for the csv-subreports. I can create only "blank" subreports and everywhere I find posts without a happy end. If you had success, can you tell me ?? Thanks Thomas

Hello Friendly user, you remember, i wrote: "I'm new with jasper reports..." and the work with jasper reports server i never tried. Sorry , I forgot to write: I'm using ireport designer and the link you wrote works direct with jasper reports server. So I don't know what I should do. I understand it so - that there is not a standard procedure using csv-datasources for subreports ? I must write a own data adapter for a default datasource? Is it possible to do it in the ireport designer ? I hoped i'm close to a solution, because the main report is compiled without errors an only the subreport is clear. I wrote a Data Source expression new net.sf.jasperreports.engine.data.JRCsvDataSource (new File("Z:Backup_To_USBHome_Logskum_file__komma_mit_header.csv")).setFieldDelimiter(",".charAt(0)) but it does'nt work. Is there an error in the expression?? I hope, you can help... Thanks Thomas ----------------------------------------- Some hours later: I get the Error: Time zone: Default Error filling print... net.sf.jasperreports.engine.JRException: Unknown column name : S_Timestamp Setting up the file resolver... net.sf.jasperreports.engine.JRRuntimeException: net.sf.jasperreports.engine.JRException: Unknown column name : S_Timestamp at net.sf.jasperreports.engine.fill.JRFillSubreport.prepare(JRFillSubreport.java:786) But the column Name S_Timestamp exist in the subreport only !!! And in the csv-file from the subreport don't exist header-lines. So i believe I have read the subreport and it doesn't understand the csv-file. But the subreport alone works.

Hallo I'searching a running example of a mainreport with subreports and csv-files. Nowhere I can find a solution for csv-subreports. I hope I can find some help here. I'm new with jasper reports and I believe I started with the most difficult thing - with csv-subreports. My last "success" was a blank subreport in a running main report. I found this problem here also but no solutions. I can't believe that nobody has such a running subreport. And so I hope I can get a little running example. Thank you Thomas