PipelineBuffer.GetDouble 方法
Gets the double stored in the PipelineBuffer column.
命名空間： Microsoft.SqlServer.Dts.Pipeline
組件： Microsoft.SqlServer.PipelineHost (在 Microsoft.SqlServer.PipelineHost.dll 中)
語法
'宣告
Public Function GetDouble ( _
columnIndex As Integer _
) As Double
'用途
Dim instance As PipelineBuffer
Dim columnIndex As Integer
Dim returnValue As Double
returnValue = instance.GetDouble(columnIndex)
public double GetDouble(
int columnIndex
)
public:
double GetDouble(
int columnIndex
)
member GetDouble :
columnIndex:int -> float
public function GetDouble(
columnIndex : int
) : double
參數
- columnIndex
型別：System.Int32
The index of the column in the PipelineBuffer row.
傳回值
型別：System.Double
The double stored in the PipelineBuffer column.
備註
This method works with the DT_R8 data type in 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.
For a complete list of Integration Services data types and the corresponding Get and Set methods of the PipelineBuffer class to use with each type, see 使用資料流程中的資料類型.