源代码及运行界面1. model类a Depart.cs using System;using System.Collections.Generic;using System.Linq;using System.Text;namespace model public class Depart public Depart() #region model private int _departid; private string _departname; private int _parentid; public int DepartID set _departid = value; get return _departid; public string DepartName set _departname = value; get return _departname; public int ParentID set _parentid = value; get return _parentid; #endregion model b Device.cs using System;using System.Collections.Generic;using System.Linq;using System.Text;namespace model public class Device public Device() #region model private int _deviceid; private string _devicetypeid; private int _typeid; private int _classid; private string _devicestate; private Single _price; private int _useofyear; private Single _svp; private string _manufacture; private DateTime _stocktime; public int DeviceID set _deviceid = value; get return _deviceid; public string DeviceTypeID set _devicetypeid = value; get return _devicetypeid; public int TypeID set _typeid = value; get return _typeid; public int ClassID set _classid = value; get return _classid; public string DeviceState set _devicestate = value; get return _devicestate; public Single Price set _price = value; get return _price; public int UseOfYear set _useofyear = value; get return _useofyear; public Single SVP set _svp = value; get return _svp; public string Manufacture set _manufacture = value; get return _manufacture; public DateTime StockDate set _stocktime = value; get return _stocktime; #endregion model c DeviceClass.cs using System;using System.Collections.Generic;using System.Linq;using System.Text;namespace model public class DeviceClass public DeviceClass() #region model private int _classid; private string _classname; private int _typeid; public int ClassID set _classid = value; get return _classid; public string ClassName set _classname = value; get return _classname; public int TypeID set _typeid = value; get return _typeid; #endregion model d DeviceType.cs using System;using System.Collections.Generic;using System.Linq;using System.Text;namespace model public class DeviceType public DeviceType() #region model private int _typeid; private string _typename; public int TypeID set _typeid = value; get return _typeid; public string TypeName set _typename = value; get return _typename; #endregion model e RepairInfo.cs using System;using System.Collections.Generic;using System.Linq;using System.Text;namespace model public class RepairInfo public RepairInfo() #region model private int _repairid; private int _deviceid; private string _repairpeople; private DateTime _beginrepairdate; private Single _repairprice; private int _repairoftime; private string _faultcause; private string _remark; public int RepairID set _repairid = value; get return _repairid; public int DeviceID set _deviceid = value; get return _deviceid; public string RepairPeople set _repairpeople = value;