ColumnBase.UnboundType Property
Gets or sets the data type and binding mode of the column. This is a dependency property.
Namespace: DevExpress.UI.Xaml.Grid
Assembly: DevExpress.UI.Xaml.Grid.v21.2.dll
NuGet Package: DevExpress.Uwp.Controls
Declaration
[DefaultValue(UnboundColumnType.Bound)]
[XtraSerializableProperty]
public UnboundColumnType UnboundType { get; set; }Property Value
| Type | Default | Description |
|---|---|---|
| UnboundColumnType | **Bound** | A UnboundColumnType enumeration value that represents the data type and binding mode of the column. |
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. |
Remarks
Unbound columns are not bound to any field in the data source. These columns must be populated manually by handling the GridControl.CustomUnboundColumnData event.
To make a column unbound, set its UnboundType property to a UnboundColumnType value that corresponds to the type of data the column will display. For example, if the column is supposed to display integer values, set the UnboundType property to UnboundColumnType.Integer. The data type specified by the UnboundType property, determines which editor should be used by default to edit the column’s values.
If the column’s UnboundType property is set to UnboundColumnType.Bound, it’s assumed that this column is bound to a data field in the data source, specified by the column’s ColumnBase.FieldName property.