DataSet bdDataSet;
    MySqlConnection conexao;

    public void inserir()
    {
        bdDataSet = new DataSet();

        conexao = new MySqlConnection("Server=localhost; Database=teste; Uid=; Pwd=");

        try
        {
            conexao.Open();
            Console.WriteLine("conectou");
        }catch{
            Console.WriteLine("Erro ao conectar");
        }

        if(conexao.State == ConnectionState.Open ){
            Console.WriteLine("conexao aberta");
            MySqlCommand commS = new MySqlCommand("INSERT INTO usuario VALUES('teste', 'teste')", conexao);
            commS.BeginExecuteNonQuery();

        }


    }

MySqlCommand commS = new MySqlCommand("INSERT INTO usuario VALUES('teste', 'teste')", conexao);
        commS.BeginExecuteNonQuery();