GetDouble 方法
Gets a floating point value of the data value at the specified column position.
命名空間： Microsoft.SqlServer.Management.Trace
組件： Microsoft.SqlServer.ConnectionInfoExtended (在 Microsoft.SqlServer.ConnectionInfoExtended.dll 中)
語法
'宣告
Public Function GetDouble ( _
ordinal As Integer _
) As Double
'用途
Dim instance As TraceReader
Dim ordinal As Integer
Dim returnValue As Double
returnValue = instance.GetDouble(ordinal)
public double GetDouble(
int ordinal
)
public:
virtual double GetDouble(
int ordinal
) sealed
abstract GetDouble :
ordinal:int -> float
override GetDouble :
ordinal:int -> float
public final function GetDouble(
ordinal : int
) : double
參數
- ordinal
型別：System. . :: . .Int32
傳回值
型別：System. . :: . .Double
A Float64 value that represents the data at the specified column position.