c#连接本机mysql数据库

using System;
using MySql.Data.MySqlClient;

class Program
{
    static void Main()
    {
        string connectionString = "server=localhost;port=3306;database=mydatabase;user=root;password=mypassword;";

        try
        {
            using (MySqlConnection connection = new MySqlConnection(connectionString))
            {
                connection.Open();
                Console.WriteLine("Connected to MySQL!");
                
                // 执行查询
                MySqlCommand command = new MySqlCommand("SELECT * FROM mytable", connection);
                using (MySqlDataReader reader = command.ExecuteReader())
                {
                    while (reader.Read())
                    {
                        Console.WriteLine(reader["ColumnName"].ToString());
                    }
                }
            }
        }
        catch (Exception ex)
        {
            Console.WriteLine("Error: " + ex.Message);
        }
    }
}