this.gridDataBoundGrid1.Binder.InternalColumns["Name"].HeaderText = "Customer Name";
Thanks for using Syncfusion products.
The reported issue with “DisplayName attribute not working" has been confirmed as a defect. We have logged a bug report on this reported query. For this, Please create a DT incident for your query so that we can update the patch for this issue.
You can create the DT incident from the following link.
In the interests of maintaining confidentiality, we have a policy of not sharing patches or otherwise proprietary customer specific information in the public Forum.
Please let me know your concerns.
Thank you for update.
We will update details for your reported query in that incident 134974. Please refer the incident for better follow up. Please let us know if you need any further assistance.