public List <Item> getItemsOfOffer(int offerId)
{
string StoredProcedureName = StoredProcedures.retreiveItemsOfOffer;
Dictionary <string, object> Parameters = new Dictionary <string, object>();
Parameters.Add("@OfferID", offerId);
return(dbMan.ExecuteItemsOfOffer(StoredProcedureName, Parameters));
}