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实体类型Employee(职员)定义如下 public class Employee { public int id {get;set;} //编号 public string ename {get;set;} //姓名 public int age {get;set;} //年龄 public int did {get;set;} //部门 } 实体类型Department(部门)定义如下 public class Department{ public int id {get;set;} //编号 public string dname {get;set;} //部门名称 } 已知有Employee类的实体对象列表EmployeeList和Department类的实体对象列表DepartmentList,以下LINQ语句执行的结果是: var list1=from e in EmployeeList join d in DepartmentList on e.did equals d.id where d.dname=”开发部” select e.ename;