public static IQueryable<PetShop.Core.Data.Supplier> ByState(this IQueryable<PetShop.Core.Data.Supplier> queryable, string state, params string[] additionalValues)
        {
            var stateList = new List<string> { state };

            if (additionalValues != null)
                stateList.AddRange(additionalValues);
            else
                stateList.Add(null);

            if (stateList.Count == 1)
                return queryable.ByState(stateList[0]);

            return queryable.ByState(stateList);
        }
        public static IQueryable<Petshop.Data.Entities.Account> ByState(this IQueryable<Petshop.Data.Entities.Account> queryable, System.String state, params System.String[] additionalValues)
        {
            var stateList = new List<System.String> { state };

            if (additionalValues != null)
                stateList.AddRange(additionalValues);

            if (stateList.Count == 1)
                return queryable.ByState(stateList[0]);

            return queryable.ByState(stateList);
        }