public string AddItem(Item item)
        {
            SetupItemGateway setupitemGateway = new SetupItemGateway();
            int row = setupitemGateway.AddItem(item);

            if (row == -1)
            {
                return("Same Item Name already Exist or Any Error Occurs");
            }
            else if (row > 0)
            {
                return("Saved");
            }
            else
            {
                return("Not Saved");
            }
        }
        public List <Item> GetAllItemsOfCompany(int companyId)
        {
            SetupItemGateway setupItemGateway = new SetupItemGateway();

            return(setupItemGateway.GetAllItemsOfCompany(companyId));
        }