测试的时候是使用的如下代码:
var rpt = new GrapeCity.ActiveReports.PageReport(new System.IO.FileInfo("PageReport1.rdlx"));
var doc = new GrapeCity.ActiveReports.Document.PageDocument(rpt);
doc.Printer.PaperKind = System.Drawing.Printing.PaperKind.A5;
doc.Printer.Landscape = true;
doc.Print();