共用方式為

PipelineBuffer.SetNull 方法

  • 發行項

Assigns nullnull 參考 (在 Visual Basic 中為 Nothing) to a buffer 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 Sub SetNull ( _
    columnIndex As Integer _
)
'用途
Dim instance As PipelineBuffer 
Dim columnIndex As Integer

instance.SetNull(columnIndex)

public void SetNull(
    int columnIndex
)

public:
void SetNull(
    int columnIndex
)

member SetNull : 
        columnIndex:int -> unit

public function SetNull(
    columnIndex : int
)

參數

  • columnIndex
    型別：System.Int32
    The index of the column in the buffer row.

備註

The SetNull method assigns nullnull 參考 (在 Visual Basic 中為 Nothing) to the buffer column specified by the columnIndex parameter.

This method works with the DT_NULL data type in Integration Services.

You can use the SetNull method to insert a null value into a column of any type except for the BLOB data types:

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.

請參閱

參考

PipelineBuffer 類別

Microsoft.SqlServer.Dts.Pipeline 命名空間