IDTSBuffer100::IsNull Method (Int32, Int32, Boolean%)
Checks whether a specified column is null.
Assembly: Microsoft.SqlServer.DTSPipelineWrap (in Microsoft.SqlServer.DTSPipelineWrap.dll)
Parameters
- hRow
-
Type:
System::Int32
The handle of the row.
- hCol
-
Type:
System::Int32
The handle of the column.
- pfNull
-
Type:
System::Boolean%
An out parameter that indicates whether the column value is null.
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.
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