It would be very interesting to be able to use the CRUD operations of the DataSource associated with the ListBox, to reflect on the server the changes made to the ListBox widget. CRUD methods are not currently executed after making changes and calling the DataSource sync method.

Bug report

When moving all the items from the right ListBox to the left, an error is thrown on the console.

Regression with 2022.3.1109

Reproduction of the problem

1. Open this Dojo example - https://dojo.telerik.com/onazUkoT/9
2. Open the console.
3. Move all the items from the left ListBox to the right

Workaround:

kendo.ui.ListBox.ToolBar.fn._focusTool = function() {
          if(this.element) {
            this.element.find(".k-button").not("[tabindex=-1]").trigger("focus");
          }
        };

Current behavior

An error is thrown.

Expected/desired behavior

No errors should be thrown.

Environment

• Kendo UI version: 2023.3.1114
• Browser: [all]

Bug report

The ListBox toolbar buttons are not visible if you set toolbar position to "bottom"

Regression with v2023.1.314

Reproduction of the problem

Open this Dojo example - https://dojo.telerik.com/iXerajOno/11

Current behavior

The toolbar buttons are not visible

Expected/desired behavior

The toolbar buttons should be visible on the bottom

Environment

• Kendo UI version: 2023.2.606
• Browser: [all]

Bug report

When the user click on the buttons in the ListBox the focus is alwasy moved to the first button.

Reproduction of the problem

1. Open the Demo - https://demos.telerik.com/kendo-ui/listbox/index
2. Select an item and click the 'down arrow' button

Current behavior

The first button ('up arrow') is getting focused.

Expected/desired behavior

The clicked button should remain focused.

The issue is a regression starting with the 2022 R3 SP1 (2022.3.1109) version

Environment

• Kendo UI version: 2023.3.1010
• Browser: [all ]