Error on exporting Gantt chart data to excel with data source defined

Question

Hi Syncfusion Team,We are encountering errors when we try to export Gantt chart data with a defined data source via this code. Here is an excerpt of the error that we are encountering. Please advise as to how to properly set the data source for the Gantt chart excel export properties object.Thanks!

Lokesh Arjunan · Answer

Hi Denzel 
 
Thanks for contacting Syncfusion support. 
 
We are validating the reported query and we will update you further details within two business days(November 10th 2021). 
 
Until then we appreciate your patience. 
 
Regards, 
Lokesh

Monisha Sivanthilingam · Answer

Hi Denzel, 
 
We apologize for the delay. 
 
We have confirmed the reported issue as a bug and have logged a bug report for it. You can track its status from the below feedback link. 
 
Feedback: https://www.syncfusion.com/feedback/30334/excel-export-not-working-when-we-perform-exporting-by-defining-custom-datasource 
 
The fix will be provided in the patch release scheduled for December 1, 2021. 
 
We appreciate your patience until then. 
 
Regards, 
Monisha.

Alagumeena Kalaiselvan · Answer

Hi Denzel, 

We are glad to announce that your reported issue has been fixed and included in latest package version 19.4.0.47 to avail this fix. So, you can upgrade the Syncfusion packages to avail this fix. 
Release Notes: https://blazor.syncfusion.com/documentation/release-notes/19.4.47?type=all#gantt-chart 

Please get back to us, if you need further assistance. 

Regards 
Alagumeena.K