public void RemoveDemoData()
        {
            ProgramCollection programCollection = new ProgramCollection();
              programCollection.GetAll();
              programCollection.DeleteAll();

              DeviceCollection deviceCollection = new DeviceCollection();
              deviceCollection.GetAll();
              deviceCollection.DeleteAll();

              ModelCollection modelCollection = new ModelCollection();
              modelCollection.GetAll();
              modelCollection.DeleteAll();

              BrandCollection brandCollection = new BrandCollection();
              brandCollection.GetAll();
              brandCollection.DeleteAll();

              LogCollection logCollection = new LogCollection();
              logCollection.GetAll();
              logCollection.DeleteAll();
        }