mysql connection

 using MySql.Data.MySqlClient;  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 MySql.Data.MySqlClient; namespace str {  public partial class Form1 : Form { public Form1() { InitializeComponent(); } private void button1_Click(object sender, EventArgs e) { MySql.Data.MySqlClient.MySqlConnection connect; string MyconnetString; MyconnetString = "server=" + textBox1.Text + ";port=" + textBox2.Text + ";Database=" + textBox3.Text + ";uid=" + textBox4.Text + ";pwd=" + textBox5.Text +"; "; try { connect = new MySql.Data.MySqlClient.MySqlConnection(); connect.ConnectionString = MyconnetString; connect.Open(); if (connect .State == ConnectionState.Open ) { button1.ForeColor = Color.Green; MessageBox.Show("Good"); } connect.Close(); // Thank all ): } catch (MySql.Data.MySqlClient.MySqlException ex) { MessageBox.Show(ex.Message ); } } } }