sql c#

C-#ÈëÞ­µä(µÚÈý°æ).pdf
using System;
using System.Data;
using System.Data.SqlClient;
namespace My_Student
{
    static class Program
    {
       
        static void Main()
        {
            //Á¬½Ó×Ö·û´®£¬Á¬½Ó±¾µØµÄMS SQL Server·þÎñÆ÷
            string connString = "data source=MICROSOF-84BB45;persist security info=False;initial catalog=MyDB;integrated security=SSPI;";
            //SQLÓï¾ä£¬É¾³ý¼Ç¼
            string sqlString = "delete from Courses where CourseNo='001'";
            //½¨Á¢Á¬½Ó¶ÔÏó
            SqlConnection conn = new SqlConnection(connString);
            conn.Open();//´ò¿ªÁ¬½Ó
            //½¨Á¢Êý¾ÝÃüÁî¶ÔÏó
            SqlCommand cmd = new SqlCommand(sqlString, conn);
            //Ö´ÐÐÃüÁ·µ»ØÓ°ÏìµÄÐÐÊý
            int rowsReturned = cmd.ExecuteNonQuery();
            Console.WriteLine("{0} ¼Ç¼ÒÑɾ³ý", rowsReturned);
            MessageBox.Show("Êý¾Ý¿â¸üгɹ¦£¡£¡");
            conn.Close();//¹Ø±ÕÁ¬½Ó
        }
    }
}
try
       &nb