Duba wurin da ke ƙasa sannan ka amsa tambayar daga baya a cikin harshe ɗaya kamar yadda wurin yake:  Passage: Microsoft ya fara haɓaka.NET Framework a ƙarshen 1990s, da farko a ƙarƙashin sunan Sabis na Windows na Zamani na gaba (NGWS), a matsayin ɓangare na dabarun.NET. A ƙarshen 2000, an saki sigar beta ta farko ta.NET 1.0.  Tambaya: a wace shekara ce Microsoft ta haɓaka tsarin.Net?
ƙarshen shekarun 1990