/// <summary>
/// Delete Job Type by id
/// </summary>
public void DeleteJobType(long jobTypeId)
{
JobType dbversion = jobTypeRepository.Find((int)jobTypeId);
ValidateBeforeDeletion(jobTypeId);
if (dbversion == null)
{
throw new InvalidOperationException(string.Format(CultureInfo.InvariantCulture,
"Job Type with Id {0} not found!", jobTypeId));
}
jobTypeRepository.Delete(dbversion);
jobTypeRepository.SaveChanges();
}