friendtypemanage.cs

一个 用Ajax实现聊天室的简单例子 不全的地方指点

using System;
using System.Collections.Generic;
using System.Text;
using System.Data.SqlClient;
using ChatModel;

namespace ChatDAL
{
    public class FriendTypeManage
    {
        DBHelper db = new DBHelper();

        /// <summary>
        /// 查找全部好友类型
        /// </summary>
        /// <returns></returns>
        public List<FriendType> getAllFriendType()
        {
            List<FriendType> list = new List<FriendType>();
            string sql = "select * from FriendsType";
            SqlDataReader rs = db.getRead(sql);
            while (rs.Read())
            {
                FriendType ft = new FriendType();
                ft.ID = Convert.ToInt32(rs[0]);
                ft.typeName = rs[1].ToString();
                list.Add(ft);
            }
            rs.Close();
            db.closeCon();
            return list;
        }
    }
}