c# - Crystal Reports export to pdf, report doesnt apply the new parameters after first export -


i implemented loop exports crystal report pdf. idea instanciating initial report conection , inside loop applying parameters before exporting pdf (so 1 pdf each record), report keeps exporting pdf data of first loop execution. how can force refresh data after applying new parameters?

example code:

reportdocument reportdoc=new reportdocument(); reportdoc.load("c:\\reportx.rpt"); connectioninfo cinfo = functionlibrary.getcrystalconection(); foreach (table table in reportdoc.database.tables) {     table.logoninfo.connectioninfo = cinfo;     table.applylogoninfo(table.logoninfo); } string[] docnumbers=new[]{"1","2","3","4"};  for(int i=0;i<docnumbers.lenght; i++) {     report.setparametervalue(0, docnumbers[i]);     report.refresh();     diskfiledestinationoptions crdiskfiledestinationoptions = new diskfiledestinationoptions();     pdfrtfwordformatoptions crformattypeoptions = new pdfrtfwordformatoptions();     crdiskfiledestinationoptions.diskfilename = "c:\\generatedpdf " + docnumbers[i] + ".pdf";     exportoptions crexportoptions = reportdoc.exportoptions;     {         crexportoptions.exportdestinationtype = exportdestinationtype.diskfile;         crexportoptions.exportformattype = exportformattype.portabledocformat;         crexportoptions.destinationoptions = crdiskfiledestinationoptions;         crexportoptions.formatoptions = crformattypeoptions;     }     reportdoc.export(); } reportdoc.close();

the problem @ report.refresh(); when removed line worked...


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