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DataTable.OnColumnChanging Method

Raises the ColumnChanging event.

Namespace: System.Data
Assembly: System.Data (in system.data.dll)

protected internal virtual void OnColumnChanging (
	DataColumnChangeEventArgs e
protected void OnColumnChanging (
	DataColumnChangeEventArgs e
protected internal function OnColumnChanging (
	e : DataColumnChangeEventArgs



A DataColumnChangeEventArgs that contains the event data.

Raising an event invokes the event handler through a delegate. For an overview, see Raising an Event.

Notes to Inheritors When overriding OnColumnChanging in a derived class, be sure to call the base class's OnColumnChanging method.

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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