方式二：
department.cs
public class department { public int id { set ; get; } public string departname { set ; get ; } public string description { set; get ; } } custom.cs:
public class custom { public string departname { set ; get; } public int id { set ; get; } public string cname { set ; get; } public string ename { set; get ; } public int departID { set; get ; } public int age { set; get; } public string password { set ; get; } } 也可采用如下这种方式创建:
