DataRow.IsNull Method (DataColumn, DataRowVersion)

Gets a value that indicates whether the specified DataColumn and DataRowVersion contains a null value.

Namespace: System.Data
Assembly: System.Data (in

public bool IsNull (
	DataColumn column,
	DataRowVersion version
public boolean IsNull (
	DataColumn column, 
	DataRowVersion version
public function IsNull (
	column : DataColumn, 
	version : DataRowVersion
) : boolean



A DataColumn.


One of the DataRowVersion values that specifies the row version. Possible values are Default, Original, Current, and Proposed.

Return Value

true if the column contains a null value; otherwise, false.

Windows 98, Windows 2000 SP4, Windows CE, Windows Millennium Edition, Windows Mobile for Pocket PC, Windows Mobile for Smartphone, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see System Requirements.

.NET Framework

Supported in: 2.0, 1.1, 1.0

.NET Compact Framework

Supported in: 2.0, 1.0

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