Thank you for your reply.
Our export to ExcelML feature allows setting the maximum number of rows per sheet that can be exported, to do this you should set the SheetMaxRows
property of ExportToExcelML.
You can use the following values: 65536 or 1048576. When RadGridView
is being exported and this number of rows is reached, the exporter creates additional sheet and continues to export rows in it.
I hope this helps. If you need further assistance do not hesitate to write back.
All the best,
the Telerik team