SSSeeni Sakthi Kumar Seeni Raj Syncfusion Team July 15, 2019 04:09 AM
Thanks for the update.
By default, if the Grid has not been given any columns, the columns will be auto-generated in the client-end. So, the Annotation properties will not be applied to the Grid. So, we suggest to hide the required columns in the client-end in the DataBound event of the Grid. Refer to the following code example.