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 End-User Documentation
View this topic on docs.devexpress.com (Learn more)

HierarchicalDataMapping.ValueDataMember Property

Gets or sets the name of the data member whose data are used to specify tree map or sunburst items' values.

Namespace:DevExpress.XtraTreeMap
Assembly:DevExpress.XtraTreeMap.v19.2.dll

Expanded Syntax

Property value

Type: String
A System.String value.
The default is null.

Expanded Remarks

Expanded Example

To provide hierarchical data to a TreeMap, create a TreeMapHierarchicalDataAdapter object and assign it to the TreeMapControl.DataAdapter property. Then, specify the adapter's data source object using the TreeMapHierarchicalDataAdapter.DataSource property. To configure how hierarchical data should be converted to tree map items, use HierarchicalDataMapping objects. The LabelDataMember property allows you to specify a label data member, the ValueDataMember property - a value data member, the ChildrenDataMember property - a data member containing children items, and the Type property - the type of items on the current nesting level.

Expanded See Also

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