返回结果集分页

        /// <summary>
        /// 返回结果集分页
        /// </summary>
        /// <param name="cmdText">SQL语句</param>
        /// <param name="start">起始条数(从0开始) start+1 -- start+max</param>
        /// <param name="max">分页条数</param>
        public DataTable GetDataTable_Page(string cmdText, int start, int max)
        {
            //创建连接
            using (SqlConnection connection = new SqlConnection(connectionString))
            {
                connection.Open();
                //创建一个新的数据适配器
                SqlDataAdapter custDA = new SqlDataAdapter();
                //创建一个新的 SqlCommand 对象
                SqlCommand cmd = new SqlCommand();
                cmd.CommandText = cmdText;
                cmd.Connection = connection;
                custDA.SelectCommand = cmd;
                DataSet ds = new DataSet();
                try
                {
                    custDA.Fill(ds, start, max, "data");
                }
                catch (Exception ex)
                {
                    MessageBox.Show(ex.Message, "错误提示", MessageBoxButtons.OK, MessageBoxIcon.Error);
                }
                return ds.Tables["data"];
            }
        }