【单选题】已知学生(Student)实体类的定义如下: public class Student{ [key] public string id {get;set;} //学号 public string sname {get;set;} //姓名 public string classid {get;set;} //所属班级编号 } 已知班级(Classes)实体类的定义如下: public class ...
A.
from s in StuContext.StudentList from c in StuContext.ClassList where (s.classid=c.id & c.cname="计算机01班”) select s;
B.
from s in StuContext.StudentList join c in StuContext.ClassList on s.classid equals c.id where (c.cname="计算机01班”) select s;
C.
from c in StuContext.ClassList join s in StuContext.StudentList on c.id equals s.classid where (c.cname="计算机01班”) select s;
D.
StuContext.StudentList.Where((s,c)=> s.classid=c.id & c.cname="计算机01班” ).Select(s)
【单选题】Who is the author of 'Common Sense'?
【单选题】已知学生(Student)实体类的定义如下: public class Student{ [key] public string id {get;set;} //学号 public string sname {get;set;} //姓名 public string classid {get;set;} //所属班级编号 } 已知班级(Classes)实体类的定义如下: public class ...
A.
from s in StuContext.StudentList from c in StuContext.ClassList where (s.classid=c.id & c.cname="计算机01班”);
B.
from s in StuContext.StudentList join c in StuContext.ClassList on s.classid equals c.id where (c.cname="计算机01班”) select s;
C.
from s in StuContext.StudentList join c in StuContext.ClassList on c.id equals s.classid where (c.cname="计算机01班”) select s;
D.
StuContext.StudentList.Where((s,c)=> s.classid=c.id & c.cname="计算机01班” ).Select(s)
【单选题】申请技防设施一级资格证书,从业单位的注册资金应在( )。
【简答题】现有三个类,学生类( Student ),班级类( Classes ),教师类( Teach ),保存结构如下图 1 图 1 学生类、班级类、教师类结构 学生类结构如下: package com.bean; public class Student { private String name ; private String stuid ; private int age ; public voi...
【单选题】申请技防设施一级资格证书,从业单位的注册资金应在()。
【单选题】申请技防设施一级资格证书,从业单位的注册资金应在()。