Hi Christian,
Thank you for your interest in Syncfusion products.
We are not able to reproduce the mentioned issue with preservation of the formatting’s for the rows inserted to the table using DocIO. For your reference we have attached the sample used to test the mentioned issue on our side. Please do find the sample from the following location. Try the attached sample and let us know if this helps you.
Sample link:
http://www.syncfusion.com/downloads/Support/DirectTrac/78124/Sample-104231007.zipIf you are not able reproduce the mentioned issue with attached sample, please modify the sample to reproduce the issue and provide us the modified sample for further analysis.
Please let us know if you have any other questions.
Regards,
Gunasekaran