compuXP

The tutorial is great but digg users buried it I think they reported about 8 inaccurate things. You want the link?

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tdangstl

Hi Rohan,
it is a very impressive application of AJAX. I'm currently using AJAX as a communication mechanism from client script to server side script and wonder if you know anything about security setting that may prevent XMLHTTP from working properly? I'm experiencing a case where on win2k-server, XMLHTTP working properly when connects to server script from client script. However, on win2k3 server, I receives "internal server error" error code = 500.

thanks in advance.

rohan2kool

yep.. can u please give me the link. BTW, who submitted it to digg??

@tdangstl: Are you not the one who also posted the same question on Cafe18?? Check back there for the answer, I'll paste it here too soon.

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jumpenjuhosaphat

Congratulations on the new car. What is dene walaa jabhi deta deta chappar phar ke?

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rohan2kool

It's not a car, Activa's a scooter. 'Dene walaa jabhi deta, deta chappar phar ke' is a hindi saying which means, "The one who gives(Denewalaa) whenever he gives(jabhi deta), he gives by opening all roofs(deta chappar phar ke)"

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compuXP

Uh, I am embarrassed to say that I submitted it... sorry it didn't work out: http://digg.com/programming/Superb_Ajax_Tutorial

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rohan2kool

no problem. Actually, I am thankful to you that you found worth it. Never mind, I love ffedback - positive or negative. And it only gives me a chance to improve.

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rohan2kool

I read it, some of it are genuine, but here are the one's I am battling:

Problem1: If a browser doesn't understand <script> element, it won't be supporting AJAX either. All browsers capable of running JavaScript understand the <script> object.

Problem2: It should be a global variable, and at the same time, if he notices, I have already declared that variable in the first line only.

Problem3: Genuine Yes, I agree to that. That is a genuine problem. I should have used object detection, but for some reason window.ActiveXObject or something like that doesn't seem to work. I'll research on it and change the code.

Problem4: This was just an example for a beginner. Even the example is utter nonsense as it just prints what it recieves. Moreover, the data sent over the server is already typed by the user, it is not executed further or no processing is done on it. It is harldy vulnerable to any attacks.

Problem5: Genuine That was a misconception from my side. Sorry for that.

Problem6: Hmmph... now it is all on the developer to make the names of the url, most of it have some meaning or the other.

Problem7: Now what??? Trying to search for problems from anywhere??

Problem8: php scripting gives you much more control on the search rather than using WHERE and LIKE in SQL.

Problem9: Genuine Yes, it's very true that SQL injections are very much possible in this case. But, SQL injections and all are a seperate topic and I cannot cover it in this. This is a beginner tutorial and I don't think I needed to include all this in it. Check any php/xSQL beginner tutorial, and you find much coverage on it. However, this has prompted me to write a 'AJAX and security supplement' for this.

You have already reached the end of it d00d, and you're down to just 3 problems, out of which even one of them I have battled.

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rohan2kool

those interested in buying this tutorial and supporting the development of future tutorials, please check this link: http://www.iwebtool.com/talk/thread3218.html

Remember, you'll always get free and best-of-my-efforts tutorials. Thanks.

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trichnosis

This tutorial sure is amazing!

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elan08

Hey, Ive been looking for books and such on AJax. Ill take a look, thanks for your efforts.

Admin - might want to remove above post, doesn't seem to be Ajax related.