| Site | Description |
| MSDN | MSDN Library |
| MS FCL | FCL |
| MS forums | Ask a question. Moderated, signup required. |
| MS ASP.NET | MS ASP.NET main site. |
| MS VS | MS VS main site |
| MS C# | MS C# main site |
| W3C | W3C's asp.net tutorial |
| C# Help | C# Portal |
| C# Corner | C# portal and ASP.NET |
| C#4 | C# portal |
| Code Project | C# articles, examples |
| Fund. Web Prog | Complete course |