C#异常处理机制

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http://topic.csdn.net/u/20081204/15/260d1c86-2634-4150-99b4-292f9bd4f2db.html

1.         try
2.         {
3.             SqlConnection conn = new SqlConnection("");
4.             conn.Open();
5.         }
6.         catch (SqlException ex)//通用Exception 
7.         {
8.             Response.Write(ex.ToString());
9.         }
10.         finally
11.         {
12.             Response.Write("别忘了关闭。");
13.         }