实体类定义 数据类型后面的问号表示该变量可以为NULL /// <summary>/// 实体类-销售单据/// </summary>public class SaleForm{ private string _formID;//单据ID private string _shopID;//店铺ID private string _formNO;//单据流水号 private DateTime? _beginTime;//单据生成时间 private DateTime? _checkoutTime;//单据提交时间 private float _mustAccount;//应收 private float _zeroAccount;//免零 private float _actualAccount;//实收 private float _changeAccount;//找零 private string _userID;//收银员ID /// <summary> /// 单据ID /// </summary> public string FormID { get { return _formID; } set { _formID = value; } } /// <summary> /// 店铺ID /// </summary> public string ShopID { get { return _shopID; } set { _shopID = value; } } /// <summary> /// 单据流水号 /// </summary> public string FormNO { get { return _formNO; } set { _formNO = value; } } /// <summary> /// 单据生成时间 /// </summary> public DateTime? BeginTime { get { return _beginTime; } set { _beginTime = value; } } /// <summary> /// 单据提交时间 /// </summary> public DateTime? CheckoutTime { get { return _checkoutTime; } set { _checkoutTime = value; } } /// <summary> /// 应收 /// </summary> public float MustAccount { get { return _mustAccount; } set { _mustAccount = value; } } /// <summary> /// 免零 /// </summary> public float ZeroAccount { get { return _zeroAccount; } set { _zeroAccount = value; } } /// <summary> /// 实收 /// </summary> public float ActualAccount { get { return _actualAccount; } set { _actualAccount = value; } } /// <summary> /// 找零 /// </summary> public float ChangeAccount { get { return _changeAccount; } set { _changeAccount = value; } } /// <summary> /// 收银员ID /// </summary> public string UserID { get { return _userID; } set { _userID = value; } }} 作者:sy 出处:http://www.cnblogs.com/sydeveloper QQ:522733724 本页版权归作者和博客园所有,欢迎转载,但未经作者同意必须保留此段声明, 且在文章页面明显位置给出原文链接,否则保留追究法律责任的权利