ColumnBase.UnboundType Property

Gets or sets the column’s data type and binding mode. This is a dependency property.

Namespace: DevExpress.Xpf.Grid

Assembly: DevExpress.Xpf.Grid.v24.1.Core.dll

NuGet Package: DevExpress.Wpf.Grid.Core

Declaration

C#

[Browsable(false)]
[DefaultValue(UnboundColumnType.Bound)]
public UnboundColumnType UnboundType { get; set; }

VB.NET

<DefaultValue(UnboundColumnType.Bound)>
<Browsable(False)>
Public Property UnboundType As UnboundColumnType

Property Value

Type	Default	Description
UnboundColumnType	Bound	The column’s data type and binding mode.

Available values:

Name	Description
Bound	Indicates that the column is bound to a field in the control’s underlying data source. The type of data this column contains is determined by the bound field.
Integer	Indicates that the column is unbound and it contains integer values (the Int32 type).
Decimal	Indicates that the column is unbound and it contains decimal values (the Decimal type).
DateTime	Indicates that the column is unbound and it contains date/time values (the DateTime type).
String	Indicates that the column is unbound and it contains string values (the String type).
Boolean	Indicates that the column is unbound and it contains Boolean values (the Boolean type).
Object	Indicates that the column is unbound and it contains values of any type. A TextEdit editor is assigned for the in-place editing of such a column.

Remarks

Note

This property is obsolete. Use the ColumnBase.UnboundDataType property instead to make a column unbound and specify the column’s data type.

Refer to the following help topic for more information: Unbound Columns.

Related GitHub Examples

The following code snippets (auto-collected from DevExpress Examples) contain references to the UnboundType 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.

XAML

wpf-data-grid-display-icon-in-unbound-column-based-on-value-in-bound-column/CS/UnboundColumnWithIcons_CodeBehind/Window1.xaml#L18

    <dxg:GridColumn FieldName="Action" />
    <dxg:GridColumn FieldName="IconUnbound" UnboundType="Object" CellTemplate="{StaticResource IconCellTemplate}" />
</dxg:GridControl.Columns>

wpf-data-grid-create-unbound-columns/CS/DXGrid_UnboundColumns_CodeBehind/Window1.xaml#L17

<dxg:GridColumn FieldName="Quantity"/>
<dxg:GridColumn FieldName="Total" UnboundType="Boolean" ReadOnly="True">
    <dxg:GridColumn.EditSettings>

wpf-data-grid-export-data-to-native-excel-table/CS/WpfApplication80/MainWindow.xaml#L15

<dxg:GridColumn FieldName="MaxValue"/>
<dxg:GridColumn FieldName="Average" UnboundType="Integer" UnboundExpression="([MinValue]+[MaxValue])/2"/>
<dxg:GridControl.View>

wpf-bind-gridcontrol-to-dynamic-data/CS/Unbound_Columns/MainWindow.xaml#L16

<DataTemplate>
    <dxg:GridColumn FieldName="{Binding Path=(dxci:DependencyObjectExtensions.DataContext).FieldName, RelativeSource={RelativeSource Self}}" UnboundType="{Binding Path=(dxci:DependencyObjectExtensions.DataContext).UnboundType, RelativeSource={RelativeSource Self}}" />
</DataTemplate>

C#

wpf-data-grid-change-background-color-for-modified-cells/CS/HighlightChangedCellBehavior.cs#L71

unboundColumn.FieldName = UnboundColumnPrefix + column.FieldName;
unboundColumn.UnboundType = UnboundColumnType.Boolean;
unboundColumn.Visible = false;

VB.NET

wpf-data-grid-change-background-color-for-modified-cells/VB/HighlightChangedCellBehavior.vb#L93

unboundColumn.FieldName = HighlightModifiedCells.ChangedCellsHighlightBehavior.UnboundColumnPrefix & column.FieldName
unboundColumn.UnboundType = DevExpress.Data.UnboundColumnType.[Boolean]
unboundColumn.Visible = False