System.Data Namespace   DataTable Class

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Occurs when a value is being changed for the specified DataColumn in a DataRow.

[ VB ]
Public Event ColumnChanging As DataColumnChangeEventHandler

[ C# ]
public event DataColumnChangeEventHandler ColumnChanging;

[ C++ ]
public: __event DataColumnChangeEventHandler* ColumnChanging;

In [ JScript ], you can handle the events defined by a class, but you cannot define your own.

The event handler receives an argument of type DataColumnChangeEventArgs containing data related to this event. The following DataColumnChangeEventArgs properties provide information specific to this event.

Property	Description
Column	Gets the DataColumn with a changing value.
ProposedValue	Gets or sets the proposed value.
Row	Gets the DataRow with a changing value.

DataTable Members