model 模型层

using System;
namespace MODEL
{
    [Serializable]
    /// <summary>
    /// 作者: liuhaitao
    /// 描述: 实体层 -- Students表映射类.
    /// 最后修改时间:2013/2/4 9:31:57
    /// </summary>
    public class Students
    {
        public Students()
        { }

        #region 字段们
        protected int _id;
        protected int _cId;
        protected Classes _cIdMODEL;//外键实体！
        protected string _name;
        protected string _gender;
        protected bool _isDel;
        protected DateTime _addTime;
        #endregion

        #region 属性们
        /// <summary>
        ///
        /// </summary>
        public int Id
        {
            set { _id = value; }
            get { return _id; }
        }

        /// <summary>
        ///
        /// </summary>
        public int CId
        {
            set { _cId = value; }
            get { return _cId; }
        }
        /// <summary>
        ///  -外键实体
        /// </summary>
        public Classes CIdMODEL
        {
            set { _cIdMODEL = value; }
            get { return _cIdMODEL; }
        }

        /// <summary>
        ///
        /// </summary>
        public string Name
        {
            set { _name = value; }
            get { return _name; }
        }

        /// <summary>
        ///
        /// </summary>
        public string Gender
        {
            set { _gender = value; }
            get { return _gender; }
        }

        /// <summary>
        ///
        /// </summary>
        public bool IsDel
        {
            set { _isDel = value; }
            get { return _isDel; }
        }

        /// <summary>
        ///
        /// </summary>
        public DateTime AddTime
        {
            set { _addTime = value; }
            get { return _addTime; }
        }
        #endregion
    }
}