GetDouble 方法
Gets a floating point value of the data value at the specified column position.
命名空间： Microsoft.SqlServer.Management.Trace
程序集： Microsoft.SqlServer.ConnectionInfoExtended（在 Microsoft.SqlServer.ConnectionInfoExtended.dll 中）
语法
声明
Public Function GetDouble ( _
ordinal As Integer _
) As Double
用法
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
参数
- ordinal
类型：System. . :: . .Int32
An Int32 value that specifies the column position of the data.
返回值
类型：System. . :: . .Double
A Float64 value that represents the data at the specified column position.