ALV Output into Excel problem

HI ,

I developed ALV report, the output is coming properly. But if i download that output into local file or spreadsheet from ALV output screen am unable to get the data only header and field headers are coming but data is not coming. But for other ALV with same importing parameters it is downloading properly. I donu2019t know whatu2019s problem only for this ALV, any one can please help me out from this situation pls.

Thx