namespace Data { public static class ExcelManager { private static AgreementTermsDataExcel _agreementterms; private static ShoppingCartDataExcel _shoppingcart; public static AgreementTermsDataExcel AgreementTerms => _agreementterms; public static ShoppingCartDataExcel ShoppingCart => _shoppingcart; static ExcelManager() { _agreementterms = new AgreementTermsDataExcel(); _shoppingcart = new ShoppingCartDataExcel(); } }}