Méthode SqlHierarchyId.GetAncestor

Retrieves the SqlHierarchyId node n levels up the hierarchical tree.

Espace de noms :  Microsoft.SqlServer.Types
Assembly :  Microsoft.SqlServer.Types (en Microsoft.SqlServer.Types.dll)

Syntaxe

'Déclaration
<SqlMethodAttribute(DataAccess := DataAccessKind.None, SystemDataAccess := SystemDataAccessKind.None,  _
    InvokeIfReceiverIsNull := False, OnNullCall := False,  _
    IsDeterministic := True, IsPrecise := True, IsMutator := False)> _
Public Function GetAncestor ( _
    n As Integer _
) As SqlHierarchyId
'Utilisation
Dim instance As SqlHierarchyId 
Dim n As Integer 
Dim returnValue As SqlHierarchyId 

returnValue = instance.GetAncestor(n)

[SqlMethodAttribute(DataAccess = DataAccessKind.None, SystemDataAccess = SystemDataAccessKind.None, 
    InvokeIfReceiverIsNull = false, OnNullCall = false, 
    IsDeterministic = true, IsPrecise = true, IsMutator = false)]
public SqlHierarchyId GetAncestor(
    int n
)

[SqlMethodAttribute(DataAccess = DataAccessKind::None, SystemDataAccess = SystemDataAccessKind::None, 
    InvokeIfReceiverIsNull = false, OnNullCall = false, 
    IsDeterministic = true, IsPrecise = true, IsMutator = false)]
public:
SqlHierarchyId GetAncestor(
    int n
)

[<SqlMethodAttribute(DataAccess = DataAccessKind.None, SystemDataAccess = SystemDataAccessKind.None, 
    InvokeIfReceiverIsNull = false, OnNullCall = false, 
    IsDeterministic = true, IsPrecise = true, IsMutator = false)>]
member GetAncestor : 
        n:int -> SqlHierarchyId

public function GetAncestor(
    n : int
) : SqlHierarchyId

Paramètres

• n
  Type : System.Int32
  An integer representing the number of levels to ascend in the hierarchy.

Valeur de retour

Type : Microsoft.SqlServer.Types.SqlHierarchyId
SqlHierarchyId representing the nth ancestor of this.If a number greater than GetLevel is passed, nullune référence Null (Nothing dans Visual Basic) is returned.If a negative number is passed, an exception is raised indicating that the argument is out of range.

Voir aussi

Référence

SqlHierarchyId Structure

Espace de noms Microsoft.SqlServer.Types