SnapSingleListItemEntity.EmptyFieldDataAlias Property

Specifies the text to show in a document instead of a blank space if a Snap field receives an empty data source record.

Namespace: DevExpress.Snap.Core.API

Assembly: DevExpress.Snap.v21.2.Core.dll

NuGet Package: DevExpress.Snap.Core

Declaration

C#

string EmptyFieldDataAlias { get; set; }

VB.NET

Property EmptyFieldDataAlias As String

Property Value

Type	Description
String	A String value, specifying the empty field data alias.

Remarks

Use the SnapSingleListItemEntity.EnableEmptyFieldDataAlias property to display the alias specified by the EmptyFieldDataAlias option.

Tip

Use the SnapImage.ShowPlaceholder property to show a placeholder instead of the blank space. This property has effect only if the SnapSingleListItemEntity.EnableEmptyFieldDataAlias property is set to false.

The table below lists scenarios when the EmptyFieldDataAlias value is displayed for different fields.

Field Name	Empty Data Source Scenario
SNTEXT	The data source does not contain the required entry
	The required data entry is null or DBNull.Value
	The required data entry returns an empty string.
SNHYPERLINK	The data source does not contain the data entry bound to the SnapSingleListItemEntity.DataFieldName property.
	The data entry bound to the SnapSingleListItemEntity.DataFieldName property returns an empty string.