public void BulkInsert(List <TEntity> entities)
 {
     using (var db = new NewPlayDbContext()){
         db.AddRange(entities);
         db.SaveChanges();
     };
 }
 public void Remove(TEntity entity)
 {
     using (var db = new NewPlayDbContext()){
         db.Remove(entity);
         db.SaveChanges();
     };
 }