直接甩干货 控制台应用程序

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Data.SqlClient;
using System.Data;
using MySql.Data.MySqlClient;
namespace ConsoleApplication3
{
    class Program
    {
        private static MySqlConnection connectDataBase()
        {
            string str = "Server=12*.11*.2*.*;User ID=*u*h*ng;Password=y*u*h*ng**;Database=yo*s*a*g;CharSet=utf8;convert zero datetime=True;";
            MySqlConnection conn = new MySqlConnection(str);
            return conn;
        }//end connectDataBase()

        static void Main(string[] args)
        {
            // Connect to the master database and create the sample database
            using (MySqlConnection conn = connectDataBase())
            {
                conn.Open();

                //查询
                using (MySqlCommand querySingleInfo = conn.CreateCommand())
                {
                    querySingleInfo.CommandText = "select business_category from multi_config where id=1 ";
                    using (MySqlDataReader reader = querySingleInfo.ExecuteReader())
                    {
                        // Loop over the results 
                        while (reader.Read())
                        {
                            Console.WriteLine(reader["business_category"].ToString().Trim());
                          //  Console.ReadKey();
                        }
                    }
                }

                ///更新  添加  删除
                using (MySqlCommand myCommand = conn.CreateCommand())
                {
                    myCommand.Connection = conn;
                    myCommand.CommandText = "update multi_config set service_status=-1 where id=10";
                    int ans = myCommand.ExecuteNonQuery();
                    Console.WriteLine(ans);
                    Console.ReadKey();
                }
            }

        }//end Main()

    }//end class Program

}