Carrotware.Web.UI.Components.PagedDataBase.ToggleSort C# (CSharp) Метод

        public void ToggleSort()
        {
            SortParm srt = this.ParseSort();

            if (!String.IsNullOrEmpty(this.SortByNew)) {
                if (srt.SortField.ToLowerInvariant() == this.SortByNew.ToLowerInvariant()) {
                    if (srt.SortDirection.EndsWith("ASC")) {
                        this.OrderBy = String.Format("{0}  DESC", this.SortByNew);
                    } else {
                        this.OrderBy = String.Format("{0}  ASC", this.SortByNew);
                    }
                } else {
                    this.OrderBy = String.Format("{0}  ASC", this.SortByNew);
                    this.PageNumber = 1;
                }
            }

            this.SortByNew = String.Empty;
        }