VectorMapLayerBuilder.DataSource(String, String[]) Method

Binds a VectorMapLayer control to read-only data in JSON format.

Namespace: DevExtreme.AspNet.Mvc.Builders

Assembly: DevExtreme.AspNet.Core.dll

Declaration

public VectorMapLayerBuilder DataSource(
    string staticJsonUrl,
    params string[] key
)

Parameters

Name	Type	Description
staticJsonUrl	String	A JSON data URL.
key	String[]	An array that contains one or more key field names.

Returns

Type	Description
VectorMapLayerBuilder	A reference to this instance after the method is called.

Remarks

This method is a shorthand version of the DataSourceFactory.StaticJson() method. The following examples are equivalent:

Razor C#

@(Html.DevExtreme().VectorMap()
    .Layers(layers => {
        layers.Add().DataSource("https://example.com/data.json", "ID");
    })
)

Razor C#

@(Html.DevExtreme().VectorMap()
    .Layers(layers => {
        layers.Add().DataSource(ds => ds.StaticJson()
            .Url("https://example.com/data.json")
            .Key("ID")
        );
    })
)

Refer to Read-Only Data in JSON Format for more information.