using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using MySql.Data;
using MySql.Data.MySqlClient;
namespace conexionb
{
    public partial class Form1 : Form
    {

        public Form1()
        {
            InitializeComponent();
        }

        private void btnconectar_Click(object sender, EventArgs e)
        {

            MySqlConnection conexion = new MySqlConnection();
            conexion.ConnectionString = "Server=127.0.0.1;Database=localhost; Uid=root;Pwd=;SslMode=none";
            conexion.Open();

        }
    }
}

server={0};user id={1};password={2};persistsecurityinfo=True;port={3};database={4};SslMode=none