修改

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


namespace ado修改
{
    class Program
    {
        static void Main(string[] args)
        {
            //1、让用户输入要修改的学生编号
            Console.Write("请输入要修改的学生编号：");
            string Scode = Console.ReadLine();
            Console.Write("请输入更改后的学生姓名：");
            string Sname = Console.ReadLine();
            Console.Write("请输入更改后的学生性别：");
            bool Ssex = Convert.ToBoolean(Console.ReadLine());
            Console.Write("请输入更改后的学生生日：");
            DateTime Sbirthday = Convert.ToDateTime(Console.ReadLine());
            Console.Write("请输入更改后的学生成绩：");
            decimal Sscore = Convert.ToDecimal(Console.ReadLine());

            //2、执行修改
            SqlConnection conn = new SqlConnection("server=.;database=Data0425;user=sa;pwd=123;");
            SqlCommand cmd = conn.CreateCommand();
            cmd.CommandText = "update student set name='" + Sname + "',sex='" + Ssex + "',birthday='" + Sbirthday + "',score=" + Sscore + " where code = '" + Scode + "'";

            conn.Open();
            cmd.ExecuteNonQuery();
            Console.WriteLine("修改成功！");
            conn.Close();
            Console.ReadLine();
        }
    }
}