XtraReport side by side Export problem on excel

Work on vs2008 C# .I has a side by side report, On this report, I Face some peculiar problem attach picture describe in detail about the property of my XtraReport report detail bands.I use Multicolumn开发者_高级运维->Direction -> property -> AcrossThenDown then export in pdf works fine, but problem arise when I export in excel,doc or other format.But I need to export in excel and doc format.Can anybody tell me why I face this problem. How can I retrieve this problem?

DownThenAcross--->problem occurs right side report missing.
AcrossThenDown--->I get the multicolumn report but problem on export in doc,excel.

if have any query plz ask.Thanks in advance

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The problem appears because export to xls and doc are not page based as export to PDF. The solution to this problem is to set the report's ExportOptions.Rtf(Xlsx).ExportMode property to DevExpress.XtraPrinting.XlsxExportMode.SingleFilePageByPage value.