You could apply the same behavior to a TreeList as the Grid's ForeignKey column implementation by creating an Editor Template, which will be bound to а specific column. To achieve that:
1. Create an editor template and add it to the ~/Views/Shared/EditorTemplates folder of the project:
@(Html.Kendo().DropDownListFor(m => m)
.BindTo(new List<string>() { "Last Name 1", "Last Name 2", "Last Name 3", "Last Name 4" })
)
For your convenience, I am attaching a small project demonstrating the above approach. Please review it and let me know if you have any questions.
Regards,
Nikolay
Progress Telerik
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