/// <summary>
/// Create and Return Unit of work Object based on the enagegemet ID
/// </summary>
/// <param name="eng"></param>
/// <returns></returns>
public IUnitOfWork GetUnitOfWork(int eng)
{
OLTPContext oltpContext = dataContextFactory.GetDbContext(eng);
unitOfWork = new UnitOfWork <OLTPContext>(oltpContext);
return(unitOfWork);
}