/// <summary>
 /// Assigns a staff member to a job with the database controller.
 /// </summary>
 /// <param name="staffID">ID of staff to assign to the job.</param>
 /// <param name="jobID">ID of job which the staff will be assigned to.</param>
 /// <returns>Returns true or false depending on success of method.</returns>
 public bool AssignStaffToJob(int staffID, int jobID) => m_databaseController.AssignStaffToJob(staffID, jobID) ? true : false;