thank you very much for your support

I have the solution to export an Excel file with rowspan and colspan

maybe :unamused:

please test it
generate.rar (804 Bytes)

debug_2018_09_06__01_51_52.xml (14.3 KB)
my debug file is attached herewith…
code works fine on localhost; my pc where I installed wamp server but excel file downloaded from online application contain no data and gives message “Excel file cannot open because format or file extensioin is not valid.”
Need Help
Thanks in advance

Here is the solution: