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SqlHierarchyId.GetAncestor Method

Retrieves the SqlHierarchyId node n levels up the hierarchical tree.

Namespace:  Microsoft.SqlServer.Types
Assembly:  Microsoft.SqlServer.Types (in Microsoft.SqlServer.Types.dll)

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

Parameters

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

Return Value

Type: Microsoft.SqlServer.Types.SqlHierarchyId
SqlHierarchyId representing the nth ancestor of this.If a number greater than GetLevel is passed, null is returned.If a negative number is passed, an exception is raised indicating that the argument is out of range.

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