Proprietà Column.DefaultConstraint
Gets a default value for the column.
Spazio dei nomi Microsoft.SqlServer.Management.Smo
Assembly: Microsoft.SqlServer.Smo (in Microsoft.SqlServer.Smo.dll)
Sintassi
'Dichiarazione
<SfcObjectAttribute(SfcObjectRelationship.ChildObject, SfcObjectCardinality.ZeroToOne, SfcObjectFlags.Design)> _
Public Property DefaultConstraint As DefaultConstraint
Get
Friend Set
'Utilizzo
Dim instance As Column
Dim value As DefaultConstraint
value = instance.DefaultConstraint
[SfcObjectAttribute(SfcObjectRelationship.ChildObject, SfcObjectCardinality.ZeroToOne, SfcObjectFlags.Design)]
public DefaultConstraint DefaultConstraint { get; internal set; }
[SfcObjectAttribute(SfcObjectRelationship::ChildObject, SfcObjectCardinality::ZeroToOne, SfcObjectFlags::Design)]
public:
property DefaultConstraint^ DefaultConstraint {
DefaultConstraint^ get ();
internal: void set (DefaultConstraint^ value);
}
[<SfcObjectAttribute(SfcObjectRelationship.ChildObject, SfcObjectCardinality.ZeroToOne, SfcObjectFlags.Design)>]
member DefaultConstraint : DefaultConstraint with get, internal set
function get DefaultConstraint () : DefaultConstraint
internal function set DefaultConstraint (value : DefaultConstraint)
Valore proprietà
Tipo: Microsoft.SqlServer.Management.Smo.DefaultConstraint
A DefaultConstraint value that specifies a default value for the column.
Osservazioni
The DefaultConstraint property specifies a default text value for the column. When no value is supplied by the user, the default text value is inserted into a row in the table. The text value can be set by setting the Text property of the DefaultConstraint object that is referenced by the DefaultConstraint property.
Esempi
Utilizzo degli oggetti di database
Vedere anche
Riferimento
Spazio dei nomi Microsoft.SqlServer.Management.Smo