public TaskBL(string connectionString)
 {
     this.connectionString = connectionString;
     context = new OnItDbContext(connectionString);
     repo    = new RepositoryData <TaskModel>(context);
 }
 public RepositoryData(OnItDbContext dbConext, bool autoCommit = true)
 {
     DbContext  = dbConext;
     AutoCommit = autoCommit;
     DbSet      = DbContext.Set <TModel>();
 }