Export (0) Print
Expand All
Expand Minimize

SqlGeography.NumRings Method

Returns the total number of rings in a Polygon instance.

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

[SqlMethodAttribute(IsDeterministic = true, IsPrecise = true)]
public SqlInt32 NumRings()

Return Value

Type: SqlInt32
A SqlInt32 value specifying the total number of rings. This method will return NULL if this is not a Polygon instance and will return 0 if the instance is empty.

In the SQL Server geography type, external and internal rings are not distinguished, as any ring can be taken to be the external ring.

This method is precise.

Was this page helpful?
(1500 characters remaining)
Thank you for your feedback

Community Additions

ADD
Show:
© 2014 Microsoft