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How to set value with ID

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DropDownTree
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Jonatan
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Jonatan asked on 11 Oct 2018, 09:20 AM

I am a little surprized to see that the dropdowntree selects values with string values rather than with id's. 

 

What if you have the same string value more than once in the tree?

 

How can I set the value of the dropdowntree with an id?

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Jonatan
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answered on 11 Oct 2018, 09:38 AM

I think I found a work aorund to the wonky string selection

This seems to do the trick.

var id = 5;
$("#dropDownTree").data('kendoDropDownTree').value($("#dropDownTree").data('kendoDropDownTree').dataSource.get(id));
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Veselin Tsvetanov
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answered on 15 Oct 2018, 06:56 AM
Hi Jonatan,

Passing the DataItem retrieved from the DataSource object to the value() method of the DropDownTree is the proper approach in the discussed scenario. Alternatively, in order to use the ID of the item, you will have to set the ValuePrimitive() option of the widget to true and explicitly set a DataValueField():
@(Html.Kendo().DropDownTree()
                .Name("dropdowntree")
                .DataTextField("Name")
                .DataValueField("EmployeeId")
                .ValuePrimitive(true)
                .DataSource(dataSource => dataSource
                    .Read(read => read
                        .Action("Remote_Data_Binding_Get_Employees", "DropDownTree")
                    )
                )
    )

Regards,
Veselin Tsvetanov
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Jonatan
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Jonatan
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Veselin Tsvetanov
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