สอบถามเรื่อง connect mysql private void button1_Click(object sender, EventArgs e)

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using System.Data.SqlClient;
namespace project_opencv
{
    public partial class Form2 : Form
    {
        public Form2()
        {
            InitializeComponent();
            
            
        }
 private void button1_Click(object sender, EventArgs e)
        {
            string ConnectionString = "SERVER=localhost;" +
                                      "DATABASE=db_image_processing;" +
                                      "UID=root;" +
                                      "PASSWORD=1111";
            SqlConnection connection = new SqlConnection(ConnectionString);
            connection.Open();
        }
    }
}