Rellenar un dataset con una consulta SQL

String sql;
MySqlConnection cn;
MySqlCommand cm;
MySqlDataAdapter da;
DataSet ds;
sql = “SELECT * FROM alumnos WHERE cursoAcademico=?curso”;
cn = new MySqlConnection(“Data Source=servidor;Database=base_de_datos;User ID=usuario; Password=clave; Allow Zero Datetime=True; CHARSET=latin1”);
cn.open();

cm = new MySqlCommand();
cm.CommandText = sql;
cm.CommandType = CommandType.Text;
cm.Connection = cn;
cm.Parameters.Add(“?curso”, MySqlDbType.Int32);
cm.Parameters[“?curso”].Value = 2006;
da = new MySqlDataAdapter(cm);

ds= new DataSet();
da.Fill(ds);