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DropDownList Cannot Preselect the Drop-Down ID of the Current Grid Row

Environment

Product Grid for Progress® Telerik® UI for ASP.NET Core
Product Version 2017.2.621

Description 

I cannot get the DropDownList to preselect the drop-down ID of the current row. How can I bind it to the column value when the Grid for ASP.NET Core is in edit mode?

Steps to Reproduce

This is a logged issue. The Core helpers duplicate the property name when the DropDownList() and Name() declarations are used. For more information, refer to this issue.

Suggested Workarounds

Telerik UI for ASP.NET Core does not provide a built-in solution for achieving this behavior. However, you can still work around the issue by using a .DropDownListFor(m => m) definition when defining an Editor Template.

@model Project.Models.StateProvinceRegionViewModel

@(Html.Kendo().DropDownListFor(m => m)
    .DataValueField("Id")
    .DataTextField("Name")
    .DataSource(d => d
        .Read(r => r.Action("GetStateProvinceRegions", "Admin"))
    )
)

For further details on configuring Custom Editors for the Grid refer to the Custom Editing section of the documentation and the runnable example demonstrating the use of a DropDownList as a Custom Editor

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