DataTable.OnColumnChanging(DataColumnChangeEventArgs) 方法

定义

引发 ColumnChanging 事件。

protected public:
 virtual void OnColumnChanging(System::Data::DataColumnChangeEventArgs ^ e);
protected:
 virtual void OnColumnChanging(System::Data::DataColumnChangeEventArgs ^ e);
protected internal virtual void OnColumnChanging (System.Data.DataColumnChangeEventArgs e);
protected virtual void OnColumnChanging (System.Data.DataColumnChangeEventArgs e);
abstract member OnColumnChanging : System.Data.DataColumnChangeEventArgs -> unit
override this.OnColumnChanging : System.Data.DataColumnChangeEventArgs -> unit
Protected Friend Overridable Sub OnColumnChanging (e As DataColumnChangeEventArgs)
Protected Overridable Sub OnColumnChanging (e As DataColumnChangeEventArgs)

参数

注解

引发事件时,将通过委托调用事件处理程序。 有关概述,请参阅 处理和引发事件

继承者说明

在派生类中重写 OnColumnChanging(DataColumnChangeEventArgs) 时,请务必调用基类的 OnColumnChanging(DataColumnChangeEventArgs) 方法。

适用于

另请参阅