MVC + ADO.NET添加数据解决方案

using System;using System.Collections.Generic;using System.Linq;using System.Web;namespace HeavenModels.Models{    public class Article    {        public int ID { get; set; }        public int ClassID { get; set; }        public string Title { get; set; }        public string Author { get; set; }        public string CopyFrom { get; set; }        public string Keyword { get; set; }        public int Hits { get; set; }        public DateTime UpdateTime { get; set; }        public int OnTop { get; set; }        public int Elite { get; set; }        public int Status { get; set; }        public string Content { get; set; }        public string DefaultPicUrl { get; set; }        public int Deleted { get; set; }    }}

using System;using System.Collections.Generic;using System.Configuration;using System.Data.SqlClient;namespace HeavenModels.Models{    public class ArticleDataContext    {        public static string connectionString = ConfigurationManager.ConnectionStrings["HeavenDB"].ConnectionString;        public static string Admin_Article_Add()        {             .....        }        public static IEnumerable<Article> GetArticleList()        {            List<Article> articles = new List<Article>();            using (SqlConnection connection = new SqlConnection(connectionString))            {                string commandText = "select * from He_Article";                using (SqlCommand command = new SqlCommand(commandText, connection))                {                    connection.Open();                    SqlDataReader reader = command.ExecuteReader();                                        while (reader.Read())                    {                        Article article = new Article();                        article.ID = (int)reader["ID"];                        article.ClassID = (int)reader["ClassID"];                        article.Title = (string)reader["Title"];                        article.Author = (string)reader["Author"];                        article.CopyFrom = (string)reader["CopyFrom"];                        article.Keyword = (string)reader["Keyword"];                        article.Hits = (int)reader["Hits"];                        article.UpdateTime = (DateTime)reader["UpdateTime"];                        article.OnTop = (int)reader["OnTop"];                        article.Elite = (int)reader["Elite"];                        article.Status = (int)reader["Status"];                        article.Content = (string)reader["Content"];                        article.DefaultPicUrl = (string)reader["DefaultPicUrl"];                        article.Deleted = (int)reader["Deleted"];                        articles.Add(article);                    }                    connection.Close();                }            }            return articles;        }    }}