OptionsColumnFilter.ShowEmptyDateFilter Property

Gets or sets whether a Filter Dropdown List has the "Show Empty" filter used to select records that contain null values in a date-time column.

Namespace: DevExpress.XtraGrid.Columns

Assembly: DevExpress.XtraGrid.v20.1.dll

Declaration

[XtraSerializableProperty]
public virtual bool ShowEmptyDateFilter { get; set; }
<XtraSerializableProperty>
Public Overridable Property ShowEmptyDateFilter As Boolean

Property Value

Type Description
Boolean

true if the "Show Empty" filter is available; otherwise, false.

Property Paths

You can access this nested property as listed below:

Object Type Path to ShowEmptyDateFilter
GridColumn
.OptionsFilter.ShowEmptyDateFilter
LayoutViewColumn
.OptionsFilter.ShowEmptyDateFilter
BandedGridColumn
.OptionsFilter.ShowEmptyDateFilter

Remarks

The ShowEmptyDateFilter property is in effect for columns displaying date-time values. If it is set to true, the filter dropdown contains the "Show Empty" check box:

FilterDropdown-Datecolumn-ShowEmptyDateFilter

Selecting this check box applies the following filter.IsNull([ColumnFieldName]) See Filter and Search to learn more.

See Also