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ctscott View Drop Down
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    Posted: 20 October 2003 at 5:23am
I detect a fair amount of brain power on these forums so maybe someone can help me.  Let's say I provide a way for members to submit a link to another site. The question: how can i automatically validate that the URL is good and a not a 404?  If good. accept for later approval, if bad, tell the submitter.
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MorningZ View Drop Down
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Use XMLHttp to try to load the entered URL... it "knows" if the request is good or bad
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ctscott View Drop Down
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Points: 246 		Post Options Post Options   Thanks (0) Thanks(0)   Quote ctscott Quote  Post ReplyReply Direct Link To This Post Posted: 20 October 2003 at 7:01am
thanks for the tip but i'm really looking for a more portable, browser independent solution.  could be wrong, but i believe xmlhttp is an activex object for IE 5+. 
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WebWiz-Bruce View Drop Down
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The XMLHttp object can be used server side in ASP.

You can use it to grab data from another file and then parse it yourself in ASP.

Or in your case use it to see if the URL is good, if nothing is returned then the page doen't exsist and the object will through up an exception error.

I use it on this site to get meta tags on the search engine submission page at:-

http://www.webwiz.net/web_design/search_engine_submiss ion/submission_service.asp

It browser indpendent as the XMLHttp object is running on the server.
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ctscott View Drop Down
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Points: 246 		Post Options Post Options   Thanks (0) Thanks(0)   Quote ctscott Quote  Post ReplyReply Direct Link To This Post Posted: 20 October 2003 at 7:51am

thanks MorningZ and -boRg-.

never seen the server side reference.  looks like i have a little r & d to do.
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MorningZ View Drop Down
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Points: 1793 		Post Options Post Options   Thanks (0) Thanks(0)   Quote MorningZ Quote  Post ReplyReply Direct Link To This Post Posted: 20 October 2003 at 12:00pm

Referencing this article on 4guysfromrolla.com, i turned out this simple example for you to build on if you want using XMLHttp

cheers
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ctscott View Drop Down
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Points: 246 		Post Options Post Options   Thanks (0) Thanks(0)   Quote ctscott Quote  Post ReplyReply Direct Link To This Post Posted: 20 October 2003 at 12:58pm

it's ugly, it's rude, it's crude.  the send method on a 404 has given me a headache but i got it and a 200 working. 200's are your friend.

thanks again for your help.

time for my nap.

 
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ctscott View Drop Down
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Points: 246 		Post Options Post Options   Thanks (0) Thanks(0)   Quote ctscott Quote  Post ReplyReply Direct Link To This Post Posted: 20 October 2003 at 12:59pm
Originally posted by MorningZ MorningZ wrote:

Referencing this article on 4guysfromrolla.com, i turned out this simple example for you to build on if you want using XMLHttp

cheers

i should clicked on refresh an hour ago so i wouldn't need a nap. i ended up figuring it out the hard way.   

edit: your example is a little cleaner than mine. thanks mz.



Edited by ctscott
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