FilterValue.CreateShowBlanksValue(CardViewColumn, String) Method

Creates and returns the (Blanks) filter item used to filter a column by blank values.

Namespace: DevExpress.Web

Assembly: DevExpress.Web.v24.1.dll

NuGet Package: DevExpress.Web

Declaration

C#

public static FilterValue CreateShowBlanksValue(
    CardViewColumn column,
    string text
)

VB.NET

Public Shared Function CreateShowBlanksValue(
    column As CardViewColumn,
    text As String
) As FilterValue

Parameters

Name	Type	Description
column	CardViewColumn	A CardViewColumn object that is the card view column.
text	String	A String value that specifies the item’s display text.

Returns

Type	Description
FilterValue	Returns the filter item used to filter by blank values.

Remarks

When creating custom filter values by handling the ASPxCardView.HeaderFilterFillItems event, you can use the CreateShowBlanksValue method to create the (Blanks) filter item. The created item can be added to a header filter using the event argument’s ASPxGridHeaderFilterEventArgs.AddValue method.