im well versed in HTML- css- js- java- vb- sql and php- id like to integrate ajax with php or i can learn asp.net pretty easily. anyone know of a good place to learn it?
i learn good from looking at code and microsoft s site [as usual] was crap

1. Gianfranco Zola (Chelsea)
2. Ruud van Nistelrooy (Manchester United- Real Madrid)
3. Dennis Bergkamp (Ajax- Inter Milan- Arsenal)
4. Robbie Fowler (Liverpool)
5. Alan Shearer (Blackburn Rovers- Newcastle United)
6. Steven Gerrard (Liverpool)
7. Ryan Giggs (Manchester United)
8. Patrick Vieira (AC Milan- Arsenal- Juventus- Inter Milan)
9. Michael Owen (Liverpool- Real Madrid- Newcastle United)
10. Frank Lampard (Chelsea)

I like Ajax and Scout- you?

I m doing some calculation which requires connecting to the database.
In some small cases it need 4 or 5 connections to the database. but in some other cases it requires about 500 connections
(connections are 1 by 1 & i open each one and make sure to close it)
in small cases it works perfectly
but when there are too many connections it just doesn t do anythng.
I added an ajax update progress to see if something is happening or not it s on for 1 minute and then it goes away and nothing happens?
what does that mean?
does it timeout? and if it does where is the timeout exception?
how can i fix this?
Asp.net ==> C# as background language
IIS server
currently i m using a test database which is a microsoft access file- but after i publish it it ll use MS SQL server database

The reason that i have so many connections is that i m generating a tree view which can have n levels and i get the info from the data from my database the tree is something like and it grows depends on the users that join the website
1
2
6
12
13
7
8
3
9
10
11
4
5

something like that so for each user in the whole tree i need a connection to get all the sub users for that user
so if i have 500 ppl in the tree i need 500 connections