private Boolean _applyFilter(JsonStoreFilter filter, ref Params bioParams, ref String vSQL) { // фильтруем String vCondition = null; if (filter != null) { var v_prms = new Params(); filter.BuildSQLConditions(ref vCondition, v_prms); bioParams = v_prms.Merge(bioParams, true); } Boolean vFilterIsDefined = !String.IsNullOrEmpty(vCondition); if (vFilterIsDefined) { vSQL = String.Format(csFltrSQLTemplate, vSQL, vCondition); return true; } return false; }