You have to store the key as two columns. A char prefix and an auto-incrementing int, both of which are grouped for the primary key. CREATE TABLE my_table( id INT NOT NULL AUTO_INCREMENT, prefix CHAR(30) NOT NULL, PRIMARY KEY (id, prefix), ... Say, prefix is here 'PRF', then you get PRF1, PRF2, PRF3, ..........

Yes, you may use iframe and within it load an url.

aa_zz. Please clear by your question, I can't understand it. Would you please elaborate it a little bit more :)

Divyam. Your question is not clear to me. I have visit your site and found a welcome page having some link also, though the design is not so rich. It seems to me that, you want to make your site rich by design, i.e., you need HTML template. If so, you may googling for HTML free templates and you will get numerous in count to modify that according your own interest. Just go to GOOGLE and search by "free HTML template".

You may try http://www.c-sharpcorner.com/uploadfile/e628d9/displaying-google-maps-in-Asp-Net-web-application/[^] http://www.shabdar.org/asp-net/70-google-maps-control-for-aspnet-part-1.html[^]

In social networks sites, end-users can interactions among them, but in normal website is very objective in providing information to end-users, but among them there is no interactions.

I agreed with you

Yes, I think so.

you may try http://www.dreamincode.net/forums/topic/44808-simple-text-chat-box/

Your answer is not fully clear to me. Would you please elaborate a little bit more.

It's a OAuth - open standard for authorization, for details en.wikipedia.org/wiki/OAuth

I think, it's PHP. very easy to learn and implimentation.

move_uploaded_file($_FILES["fileAttach"]['tmp_name'], $orgFilename) - did you test it?

From where you got it?

And http://hacks.mozilla.org/2011/07/tilt-visualize-your-web-page-in-3d/

You may check http://www.andismith.com/blog/2011/11/25-dev-tool-secrets/

Not so clear!

What's more convenient you think - WAMP or XAMPP?