DbGeography.PolygonFromText Method
.NET Framework 4.5
Creates a new DbGeography polygon value based on the specified well known text value and coordinate system identifier (SRID).
Namespace: System.Data.Spatial
Assembly: System.Data.Entity (in System.Data.Entity.dll)
public static DbGeography PolygonFromText( string polygonWellKnownText, int coordinateSystemId )
Parameters
- polygonWellKnownText
- Type: System.String
A string that contains a well known text representation of the geography value.
- coordinateSystemId
- Type: System.Int32
The identifier of the coordinate system that the new DbGeography value should use.
Return Value
Type: System.Data.Spatial.DbGeographyA new DbGeography value as defined by the well known text value with the specified coordinate system identifier.
| Exception | Condition |
|---|---|
| ArgumentNullException | polygonWellKnownText |
| ArgumentException | coordinateSystemId |
Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)
The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.
