C sharp - Insertar con procedimientos almacenados

public bool Insert(Usuario _user)

        {

            bool flag = false;

            try

            {

                if (base.IsConnectBD())

                {

                    MySqlCommand cmm = new MySqlCommand("add_user", GetConexion());

                    GetConexion().Open();

                    GetConexion().Close();

                    flag = true;

                }

            }

            catch (Exception _ex)

            {

                GetConexion().Close();

                base.Mensaje = _ex.Message;

            }

            return flag;

        }

using (MySqlCommand command = connection.CreateCommand())

{

	command.CommandText = "insert_user";

	command.CommandType = System.Data.CommandType.StoredProcedure;

	command.Parameters.AddWithValue("@name", "xxxx");

	command.Parameters.AddWithValue("@id",MySqlDbType.Int32);

	command.ExecuteNonQuery();

}