Метод PipelineBuffer.GetSingle
Gets the float stored in a PipelineBuffer column.
Пространство имен: Microsoft.SqlServer.Dts.Pipeline
Сборка: Microsoft.SqlServer.PipelineHost (в Microsoft.SqlServer.PipelineHost.dll)
Синтаксис
'Декларация
Public Function GetSingle ( _
columnIndex As Integer _
) As Single
'Применение
Dim instance As PipelineBuffer
Dim columnIndex As Integer
Dim returnValue As Single
returnValue = instance.GetSingle(columnIndex)
public float GetSingle(
int columnIndex
)
public:
float GetSingle(
int columnIndex
)
member GetSingle :
columnIndex:int -> float32
public function GetSingle(
columnIndex : int
) : float
Параметры
- columnIndex
Тип: System.Int32
The index of the column in the buffer row.
Возвращаемое значение
Тип: System.Single
The float contained in the PipelineBuffer column.
Замечания
This method works with the DT_R4 data type in Службы Integration Services.
If the value of the column is null, the PipelineBuffer produces a ColumnIsNullException. You can check for null by calling the IsNull method prior to accessing the column data.
For a complete list of Службы Integration Services data types and the corresponding Get and Set methods of the PipelineBuffer class to use with each type, see Работа с типами данных в потоке данных.