ToString (geography Data Type)
Returns the Open Geospatial Consortium (OGC) Well-Known Text (WKT) representation of a geography instance augmented with any Z (elevation) and M (measure) values carried by the instance.
This geography data type method supports FullGlobe instances or spatial instances that are larger than a hemisphere.
Applies to: SQL Server (SQL Server 2008 through current version), Azure SQL Database.
The following example create a LineString instance and uses ToString() to return the text description of the instance.
DECLARE @g geography; SET @g = geography::STGeomFromText('LINESTRING(-122.360 47.656, -122.343 47.656)', 4326); SELECT @g.ToString();