private string BuilderNumberItems() { if (_pageDiplayAuto && _pagedList.TotalPages <= 1) { return(null); } var start = _pagedList.GetStartNumber(); var end = _pagedList.GetEndNumber(); StringBuilder sb = new StringBuilder(); for (int i = start; i <= end; i++) { var tag = BuildItemTag(i, i.ToString()); if (i == _pagedList.PageNumber) { tag.AddCssClass("active"); } sb.Append(GetTagBuilderString(tag)); } return(sb.ToString()); }