public DemoQueryableImp(IDemoQueryProvider queryProvider, Expression expression) { _queryProvider = queryProvider ?? throw new ArgumentException("can not be null", nameof(queryProvider)); _expression = expression ?? throw new ArgumentException("can not be null", nameof(expression)); }
public DemoQueryableImp(IDemoQueryProvider queryProvider) { _queryProvider = queryProvider; _expression = Expression.Constant(this, typeof(IDemoQueryable <T>)); }