public void deleteOrganisationLeader(OrganisationLeader organisationLeader)
        {
            SqlCommand cmd = new SqlCommand();

            cmd.CommandText = "EXEC delete_organisationleader " + organisationLeader.Id;
            cmd.Connection  = dbHelper.connection;
            cmd.ExecuteNonQuery();
        }
        public void setOrganisationLeader(OrganisationLeader organisationLeader)
        {
            SqlCommand cmd = new SqlCommand();

            cmd.CommandText = "EXEC set_organisationleader " + organisationLeader.Id + ", " + organisationLeader.EmployeeNumber + ", " + organisationLeader.Organisation.Id + ", '" + organisationLeader.Surname + "', '" + organisationLeader.Prename + "', " + organisationLeader.IsChairman + ", " + organisationLeader.IsBoard;
            cmd.Connection  = dbHelper.connection;
            cmd.ExecuteNonQuery();
        }
        public OrganisationLeader newOrganisationLeader(OrganisationLeader organisationLeader)
        {
            SqlCommand cmd = new SqlCommand();

            cmd.CommandText = "EXEC new_organisationleader " + organisationLeader.EmployeeNumber + ", " + organisationLeader.Organisation.Id + ", '" + organisationLeader.Surname + "', '" + organisationLeader.Prename + "', " + organisationLeader.IsChairman + ", " + organisationLeader.IsBoard;
            cmd.Connection  = dbHelper.connection;
            SqlDataReader reader = cmd.ExecuteReader();

            reader.Read();
            organisationLeader.Id = Convert.ToInt32(reader["ID"]);
            reader.Close();
            return(organisationLeader);
        }
        public OrganisationLeader getOrganisationLeader(int id)
        {
            SqlCommand cmd = new SqlCommand();

            cmd.CommandText = "EXEC get_organisationleader " + id;
            cmd.Connection  = dbHelper.connection;
            SqlDataReader reader = cmd.ExecuteReader();

            reader.Read();
            OrganisationLeader organisationLeader = mapOrganisationLeader(reader);

            reader.Close();
            return(organisationLeader);
        }