Question

Redirect based on a database field

Asked by: wcameron

I am creating a database of information on parks and tourism destinations. Then, visitors will be able to learn more about these destinations using ASP pages. So far so good. In the case of major destinations I want to create entire sections of the website specific to the destination. In these cases, I want visitors to be directed to these pages rather than the database served pages.

Here is what I mean.

For most destinations, the database record will include a short description, contact information and a list of things that you can do there.

In other destinations, I may have dozens of pages detailing the site.

I use a step-by step approach visible on http://www.mountainnature.com/Dest/ (Destination Finder). However, when you get to the results page at ParkFinderResults.asp, I would like to have the ability to redirect key destinations to a different page.

Here is my idea. Have a yes/no database field called redirect and another one with the url. When the ParkFinderResults.asp page is loaded, if the redirect field is yes, than the page wil be redirected to the page in the url field.

I hope this makes sense. If there is a better way to handle this I would appreciate your help. I can easily pass the Redirect AND the URL parameters from the page prior to ParkFinderResults.asp.

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Asked On
2006-01-01 at 12:07:46ID21680625
Tags

asp

,

redirect

,

based

,

page

Topic

Active Server Pages (ASP)

Participating Experts
2
Points
250
Comments
11

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Answers

 

by: fritz_the_blankPosted on 2006-01-01 at 12:39:07ID: 15588148

That is fine. One other option might be to serve a page that redirects, i.e., your saved database page is simply a redirect where appropriate.

FtB

 

by: wcameronPosted on 2006-01-01 at 12:48:59ID: 15588170

Thanks FtB. That is basically what I want to do, but how do I do that?

 

by: fritz_the_blankPosted on 2006-01-01 at 12:58:11ID: 15588195

One way:

<meta http-equiv="refresh" content="0;url=http://www.YourURL.com/YourPage.asp">

But it would just be easier and more reliable to put a redirect on the page:

Response.Redirect("YourPage.asp")


FtB

 

by: wcameronPosted on 2006-01-01 at 13:00:23ID: 15588207

I've gotten to the point where I can send the values. Here is the query string collection from one of the records:

Request Sniffer

--------------------------------------------------------------------------------
From QueryString collection - GET
Total # of values = 3
Entire QueryString Collection as String:
DestID=8&Redirect=True&URL='http%3A%2F%2Fwww%2Emountainnature%2Ecom%2FDest%2FCanada%2FAlberta%2FBanff'


DestID 8
Redirect True
URL 'http://www.mountainnature.com/Dest/Canada/Alberta/Banff'


Now I just need a way to say if Redirect = "True" then redirect to URL, otherwise go to ParkFinderResults.asp with the appropriate DestID.

 

by: fritz_the_blankPosted on 2006-01-01 at 13:06:53ID: 15588236

Okay, I think that I get what you mean.

If Request.QueryString("Redirect") = "True" then
   response.redirect(Request.QueryString("URL"))
else
   response.redirect("ParkFinderResults.asp?DestID=" &  Request.QueryString("DestID") )
end if

FtB

 

by: wcameronPosted on 2006-01-01 at 13:28:35ID: 15588304

It should work but it doesn't. I think it is the slash "/" and the periods that mess things up. I just get a HTTP/1.1 404 Object Not Found error.

Here is the code:

<%
If Request.QueryString("Redirect") = "True" then
   response.redirect(Request.QueryString("URL"))
else
   response.redirect("ParkFinderResults.asp?DestID=" &  Request.QueryString("DestID") )
end if
%>

Now if I select a site that has no value for the Redirect field, the page IS properly redirected to ParkFinderResults.asp as stated under the else portion.

If I change the If statement to
If Request.QueryString("Redirect") = "True" then
   response.write "should be redirected"

I do see the "should be redirected" printed so I know it has read the Redirect = "True" from the query string.

The problem is in the interpreting of the url. I had this problem with another page and it was solved using post rather than get, but in this case I don't have that option because I need to send numerous parameters at the same time.

 

by: alorentzPosted on 2006-01-01 at 13:42:36ID: 15588362

Take out the apostrophies around the redirect URL :

DestID=8&Redirect=True&URL=http%3A%2F%2Fwww%2Emountainnature%2Ecom%2FDest%2FCanada%2FAlberta%2FBanff

 

by: wcameronPosted on 2006-01-01 at 13:50:38ID: 15588377

How?

 

by: fritz_the_blankPosted on 2006-01-01 at 13:51:28ID: 15588379

If you still have problems after removing the apostrophes (good catch, alorentz) then do the following:

response.redirect(unescape(Request.QueryString("URL")))

FtB

 

by: alorentzPosted on 2006-01-01 at 13:52:45ID: 15588383

However you build the URL, just take out the apostrophies where it's created.

OR,

If Request.QueryString("Redirect") = "True" then
   response.redirect replace(request("URL"), "'", "")  '<-----------------USE REPLACE FUNCTION
end if

 

by: alorentzPosted on 2006-01-01 at 16:30:35ID: 15588851

Glad to help.

20120131-EE-VQP-002

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