public ActionResult MultiRowDelete(string Ids) { string validationResponse = ""; string[] sIDs = Ids.Split("|"); List <long> iDs = new List <long>(); long nID; string sTax; TaxesPost taxes; sIDs.ToList() .ForEach(s => { if (long.TryParse(s, out nID)) { sTax = _taxesService.Get(nID).sTax; if (!_taxesService.VerifyTaxDeleteOK(nID, sTax).Any()) { taxes = _taxesService.GetPost(nID); taxes.UserName = User.Identity.Name; _taxesService.Delete(taxes); iDs.Add(nID); } } } ); iDs.ForEach(n => validationResponse = validationResponse + ", " + n.ToString()); return(Json(validationResponse)); }