private void DeleteWorkflow(WorkflowHelper helper)
{
using (TransactionScope tran = new TransactionScope())
{
var service = GetForm(helper);
service.Delete(helper.FlowInstance.DataLocator);
Dao.Get().Delete <AttachmentEntity>().Where(o => o.RelateId == helper.FlowInstance.DataLocator).Execute();
helper.DeleteWorkflow();
tran.Complete();
}
}
