IsNull 메서드

Checks whether a specified column is null.

네임스페이스:  Microsoft.SqlServer.Dts.Pipeline.Wrapper
어셈블리:  Microsoft.SqlServer.DTSPipelineWrap.dll의 Microsoft.SqlServer.DTSPipelineWrap

구문

‘선언
Sub IsNull ( _
    hRow As Integer, _
    hCol As Integer, _
    <OutAttribute> ByRef pfNull As Boolean _
)
‘사용 방법
Dim instance As IDTSBuffer100
Dim hRow As Integer
Dim hCol As Integer
Dim pfNull As Boolean

instance.IsNull(hRow, hCol, pfNull)

void IsNull(
    int hRow,
    int hCol,
    out bool pfNull
)

void IsNull(
    [InAttribute] int hRow, 
    [InAttribute] int hCol, 
    [InAttribute] [OutAttribute] bool% pfNull
)

abstract IsNull : 
        hRow:int * 
        hCol:int * 
        pfNull:bool byref -> unit 

function IsNull(
    hRow : int, 
    hCol : int, 
    pfNull : boolean
)

매개 변수

• hRow
  형식: System. . :: . .Int32
  The handle of the row.

• hCol
  형식: System. . :: . .Int32
  The handle of the column.

• pfNull
  형식: System. . :: . .Boolean%
  An out parameter that indicates whether the column value is null.

주의

This method checks whether the data stored in the buffer column is null or empty. Managed data flow component developers do not call this method, but instead use the IsNull method of the managed PipelineBuffer class.

참고 항목

참조

IDTSBuffer100 인터페이스

IDTSBuffer100 멤버

Microsoft.SqlServer.Dts.Pipeline.Wrapper 네임스페이스