IDTSBuffer100.IsNull Method (Int32, Int32, Boolean)

 

Checks whether a specified column is null.

Namespace:   Microsoft.SqlServer.Dts.Pipeline.Wrapper
Assembly:  Microsoft.SqlServer.DTSPipelineWrap (in Microsoft.SqlServer.DTSPipelineWrap.dll)

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

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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