SqlGeography.ToString 方法
Returns the Open Geospatial Consortium (OGC) Well-Known Text (WKT) representation of a SqlGeography instance augmented with any Z (elevation) and M (measure) values carried by the instance.
命名空間： Microsoft.SqlServer.Types
組件： Microsoft.SqlServer.Types (在 Microsoft.SqlServer.Types.dll 中)
語法
'宣告
<SqlMethodAttribute(IsDeterministic := True, IsPrecise := False)> _
Public Overrides Function ToString As String
'用途
Dim instance As SqlGeography
Dim returnValue As String
returnValue = instance.ToString()
[SqlMethodAttribute(IsDeterministic = true, IsPrecise = false)]
public override string ToString()
[SqlMethodAttribute(IsDeterministic = true, IsPrecise = false)]
public:
virtual String^ ToString() override
[<SqlMethodAttribute(IsDeterministic = true, IsPrecise = false)>]
abstract ToString : unit -> string
[<SqlMethodAttribute(IsDeterministic = true, IsPrecise = false)>]
override ToString : unit -> string
public override function ToString() : String
傳回值
型別：System.String
A string containing the WKT representation of the calling SqlGeography instance.
備註
This method returns the string "Null" when called on nullnull 參考 (在 Visual Basic 中為 Nothing) instances.