WPF_MySQL基本操作

1.在管理NuGet程序包中，選擇瀏覽，下載MySql.Data,

 2.在命名空間中引用

using MySql.Data.MySqlClient;

 3.配置Configuration文件連接Mysql

<?xml version="1.0" encoding="utf-8" ?>
<configuration>
  <connectionStrings>

    <add name="connStr" connectionString="server=255.255.255.255;port=3306;database=dbase;user=root;password=psd" providerName="System.Data.SqlClient"/>

  </connectionStrings>
</configuration>

用法

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

using MySql.Data.MySqlClient;

namespace W數組
{
    class Sqlhelper
    {
        /// <summary>
        /// 服務器地址；端口號；數據庫；用戶名；密碼
        /// </summary>
        public static string connectStr = System.Configuration.ConfigurationManager.ConnectionStrings["connStr"].ConnectionString; //用戶名和密碼在MySQL定義的
        public static MySqlConnection conn = new MySqlConnection(connectStr);                 //using MySql.Data.MySqlClient;

    }
}