Question

错误 ：类、结构或接口成员声明中的标记“(”无效 该怎么修改 必定采纳，大神解答

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace shiyansan2
{
class student
{
private string name;
private string no;
private string kecheng;
private int chengji;
public student(string Namea,string Noa,string Kechenga,int Chengjia)
{
name=Namea;
no=Noa;
chengji=Chengjia;
kecheng=Kechenga;
}
public string Name
{
get{return name;}
set{name=value;}
}
public string No
{
get{return no;}
set{no=value;}
}
public string Kecheng
{
get{return kecheng;}
set{kecheng=value;}
}
public int Chengji
{
get{return chengji;}
set{chengji = (value > 0 && value <= 100) ? value : 0;}
}
}
public class gaozhong:student
{
}
public class benke:student
{
}
class yanjiu:student
{
private string daoshi;
public string Daoshi
{
get{return daoshi;}
set{daoshi=value;}
}
public yanjiu(string q ,string w,string r ,int e,string t ):base(q,w,r,e)
{
daoshi=t;
}
}
class program
{
static void Main()
{
gaozhong a=new gaozhong("张居正","B1205000","政治","80");
benke b=new benke("黄周宝","B1205001","数学","60");
yanjiu c=new yanjiu("黄州宝","B1205002","李明","语文","90");
Console.Write("学生信息如下\n");
Console.WriteLine("姓名\t{0},学号\t{1},课程\t{2},成绩{3}\t", a.name, a.no,a.kecheng, a.chengji);
Console.WriteLine("姓名\t{0},学号\t{1},课程\t{2},成绩{3}\t", b.name, b.no,b.kecheng, b.chengji);
Console.WriteLine("姓名\t{0},学号\t{1},课程\t{2},成绩{3}\t,导师{4}\t", c.name, c.no,c.kecheng, c.chengji,c.daoshi);
}
Console.Read()
}
}

Answer 1

正确代码如下

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace shiyansan2
{   
    public class student
    {
        private string name;
        private string no;
        private string kecheng;
        private int chengji;
        public student(string Namea, string Noa, string Kechenga, int Chengjia)
        {
            name = Namea;
            no = Noa;
            chengji = Chengjia;
            kecheng = Kechenga;
        }
        public string Name
        {
            get { return name; }
            set { name = value; }
        }
        public string No
        {
            get { return no; }
            set { no = value; }
        }
        public string Kecheng
        {
            get { return kecheng; }
            set { kecheng = value; }
        }
        public int Chengji
        {
            get { return chengji; }
            set { chengji = (value > 0 && value <= 100) ? value : 0; }
        }
    }
    public class gaozhong : student
    {
        public gaozhong(string Namea, string Noa, string Kechenga, int Chengjia) :
            base(Namea, Noa, Kechenga, Chengjia) { }
    }
    public class benke : student
    {
        public benke(string Namea, string Noa, string Kechenga, int Chengjia) :
            base(Namea, Noa, Kechenga, Chengjia) { }
    }
    class yanjiu : student
    {
        private string daoshi;
        public string Daoshi
        {
            get { return daoshi; }
            set { daoshi = value; }
        }
        public yanjiu(string q, string w, string r, int e, string t)
            : base(q, w, r, e)
        {
            daoshi = t;
        }
    }
    class program
    {
        static void Main()
        {
            gaozhong a = new gaozhong("张居正", "B1205000", "政治", 80);
            benke b = new benke("黄周宝", "B1205001", "数学", 60);
            yanjiu c = new yanjiu("黄州宝", "B1205002", "语文", 90, "李明");
            Console.Write("学生信息如下\n");
            Console.WriteLine("姓名\t{0},学号\t{1},课程\t{2},成绩{3}\t", a.Name, a.No, a.Kecheng, a.Chengji);
            Console.WriteLine("姓名\t{0},学号\t{1},课程\t{2},成绩{3}\t", b.Name, b.No, b.Kecheng, b.Chengji);
            Console.WriteLine("姓名\t{0},学号\t{1},课程\t{2},成绩{3}\t,导师{4}\t", c.Name, c.No, c.Kecheng, c.Chengji, c.Daoshi);
            Console.Read();
        }
    }
}

原来的错误太多，没有逐一指出