例外握りつぶすなよ…

using System;

using System.ComponentModel;

using System.Data;
public class Test

{

  public static void Main ()

  {

    DataTable dt = new DataTable ("table");

    dt.Columns.Add ("col1");

    dt.Rows.Add (new object [] {1});

    dt.AcceptChanges ();

    DataView dv = new DataView (dt);

    dv.ListChanged += new ListChangedEventHandler (OnChange);

    Console.WriteLine ("--- checking event handler ---");

    dv [0] ["col1"] = 2;

  }
  public static void OnChange (object o, ListChangedEventArgs e)

  {

    throw new Exception ("Should not happen.");

  }

}