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.NET 8.0+

XpoDefault.NullableBehavior Property

Specifies if nullable columns should be created when updating the database schema.

Namespace: DevExpress.Xpo

Assembly: DevExpress.Xpo.v24.2.dll

NuGet Package: DevExpress.Xpo

#Declaration

public static NullableBehavior NullableBehavior { get; set; }

#Property Value

Type Description
NullableBehavior

A NullableBehavior enumeration value specifying if a nullable column should be created when updating the database schema.

Available values:

Name Description
Default

The default mode. Has the same effect as AlwaysAllowNulls.

AlwaysAllowNulls

A nullable column is always created.

ByUnderlyingType

A nullable column is created when the mapped property type is not a value type.

#Remarks

This global setting can be overridden for an individual persistent class of a field using the:

See Also