how to pass list to method

hi every one,

i have this method

public CommonHelpers.OperationResult AddNewBanner(DomainModel.Banner BannerToAdd, List<DomainModel.BannerLocalize> localist)
        {
            try
            {
                Banner NewBanner = new Banner
                {
                    DateAdded = BannerToAdd.DateAdded,
                    img = BannerToAdd.img,
                    UserAddID = BannerToAdd.UserAddID,
                    banners = // i want to pass localist here

                };
                    Uof.Baners.Insert(NewBanner);
                    Uof.Save();
                    return new OperationResult { Statue = ResultStatus.Success };
               
            }
            catch (Exception)
            {

                return new OperationResult {Statue=ResultStatus.Faulure };
            }
        }

i want to pass (banners list) , banner is the class i wana to pass it in list more times

when i call AddNewBanner method from asp.net page

how to pass parameters and list (banner ) parameter make me add alot of banner class item .

thanks for help