Fixed Group Header remains displayed over NoDataTemplate for DropDownList when the dataSource for the widget is loaded and the data dynamically deleted afterwards

[aleksandarevangelatov]

Bug report

The Fixed Group Header remains displayed over the NoDataTemplate for DropDownList when the dataSource for the widget is loaded and the data dynamically deleted afterward.

Reproduction of the problem

• Run this dojo
• Click on the Remove Item button until all five items in the DropDownList are removed
• Open the DropDownList

Current behavior

The Fixed Group Header remains displayed over the NoDataTemplate when the data for the widget is deleted.

Expected/desired behavior

The Fixed Group Header should not be displayed over the NoDataTemplate.

Environment

• Kendo UI version: 2019.3.1023
• Browser: [all]

[aleksandarevangelatov]

As a temporary workaround a check on the items in the DropDownList dataSource can be performed and the grouping cleared once no items remain in the dataSource, as demonstrated in this dojo