I'm using this example: https://demos.telerik.com/aspnet-core/grid/detailtemplate
I'm using the same apart from the "Orders" Tab i have called it "Notes", everything is working as expected. But i'd like to put the count of Notes also in the Tab Text i.e.
I added the aggregate in the DataSource:
But i get the following console error:
Is there anyway to achieve what i'm after?
--- Complete Tab Code: