XPMemberInfo.IsNullable Property

Determines if a nullable column should be created when updating the database schema for the persistent class member described by the current XPMemberInfo object.

Namespace: DevExpress.Xpo.Metadata

Assembly: DevExpress.Xpo.v23.2.dll

NuGet Packages: DevExpress.Win.PivotGrid, DevExpress.Win.TreeMap, DevExpress.Xpo

NuGet Package: DevExpress.Xpo

Declaration

C#

public bool? IsNullable { get; }

VB.NET

Public ReadOnly Property IsNullable As Boolean?

Property Value

Type	Description
Nullable<Boolean>	true, if a nullable column is created, otherwise, false.

Remarks

To change the IsNullable value, apply the NullableAttribute to the current member declaration. To change the IsNullable value for the entire persistent class, apply the NullableBehaviorAttribute. You can also change this setting globally, using the static XpoDefault.NullableBehavior property.