SunburstFlatDataAdapter.DataSource Property

Gets or sets the object that is the data adapter’s data source.

Namespace: DevExpress.XtraTreeMap

Assembly: DevExpress.XtraTreeMap.v18.2.dll

Declaration

C#

[DefaultValue(null)]
public object DataSource { get; set; }

VB.NET

<DefaultValue(Nothing)>
Public Property DataSource As Object

Property Value

Type	Default	Description
Object	*null*	A Object that is the data source.

Example

This example demonstrates how to visualize flat data using the SunburstControl.

Create a SunburstFlatDataAdapter object and assign it to the SunburstControl.DataAdapter property to provide flat data to the Sunburst. Then, specify the adapter’s SunburstFlatDataAdapter.DataSource, SunburstFlatDataAdapter.LabelDataMember and SunburstFlatDataAdapter.ValueDataMember to define data source members that should be used to generate sunburst items. Add data members to the SunburstFlatDataAdapter.GroupDataMembers collection to specify how to group the sunburst’s items.

Note

A complete sample project is available at How to: provide flat data to Sunburst.

C#

private void OnLoad(object sender, EventArgs e) {
    SunburstFlatDataAdapter dataAdapter = new SunburstFlatDataAdapter();            
    dataAdapter.ValueDataMember = "Annual";
    dataAdapter.LabelDataMember = "Product";
    dataAdapter.GroupDataMembers.AddRange(new string[] { "Category", "Country" });
    dataAdapter.DataSource = CreateProductInfos();
    sunburstControl.DataAdapter = dataAdapter;
}

VB.NET

Class SurroundingClass
    Private Sub OnLoad(ByVal sender As Object, ByVal e As EventArgs)
        Dim dataAdapter As SunburstFlatDataAdapter = New SunburstFlatDataAdapter()
        dataAdapter.ValueDataMember = "Annual" 
        dataAdapter.LabelDataMember = "Product" 
        dataAdapter.GroupDataMembers.AddRange(New String() {"Category", "Country"})
        dataAdapter.DataSource = CreateProductInfos()
        sunburstControl.DataAdapter = dataAdapter
    End Sub 
End Class 

Related GitHub Examples

The following code snippet (auto-collected from DevExpress Examples) contains a reference to the DataSource property.

Note

The algorithm used to collect these code examples remains a work in progress. Accordingly, the links and snippets below may produce inaccurate results. If you encounter an issue with code examples below, please use the feedback form on this page to report the issue.

C#

how-to-provide-flat-data-to-a-sunburst/CS/SunburstFlatDataAdapter/Form1.cs#L17

dataAdapter.GroupDataMembers.AddRange(new string[] { "Category", "Country" });
dataAdapter.DataSource = CreateProductInfos();
sunburstControl.DataAdapter = dataAdapter;

VB.NET

how-to-provide-flat-data-to-a-sunburst/VB/SunburstFlatDataAdapter/Form1.vb#L19

dataAdapter.GroupDataMembers.AddRange(New String() { "Category", "Country" })
dataAdapter.DataSource = CreateProductInfos()
sunburstControl.DataAdapter = dataAdapter