Bug report

In a Razor Pages project, the Gantt's tasks are not binding if the taskID and parentID fields are strings.

This is a regression introduced in version 2020.3.915.

Reproduction of the problem

1. Open and run this example
2. Switch to Kendo version after 2020.2.617

Current behavior

There are no tasks displayed in the Gantt.

Expected/desired behavior

The tasks should be displayed.

Environment

• Kendo UI version: 2020.3.1118
• Browser: [all]