最近夏雨天^_^

一、数据库表CREATE TABLE [dbo].[T_Class]( [ID] [int] NOT NULL, [Name] [nvarchar](max) COLLATE Chinese_PRC_CI_AS NOT NULL, CONSTRAINT [PK_T_Class] PRIMARY KEY CLUSTERED ( [ID] ASC )WITH (PAD_INDEX = OFF, IGNORE_DUP_KEY = OFF) ON [PRIMARY] ) ON [PRIMA