procedure of doing project in real time environment

hi,

i am new to .net, i know fundamentals/basics only, i am using vs2008,sqlserver2005

i want to do a project with asp.net(using c#), SQlServer, Ajax, etc.

but i dont know how to start a project in real time scenario.
please guide me in detail. .
plz z z z z
thanks in advance 

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