Variants of ASP NET Technology stack
Below you may see at least 5х2х4х9х8х7х30х50х17х12х5х5х5х6х9х10х20= 4.164048e+16 = 4,164,044,800,000,000 variant of ASP.NET technology stack. Each ASP.NET project use only one of this variant. Or maybe two, if external environment is changed during project lifetime.
Also I have more details descritions of some seection of .NET technology stack, for example more details for selection DataAccess Methods please see in page Класифікація засобів роботи з даними (Ukrainian lang).