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Please Help! ASP.NET Dynamic Page Redirect

Need help with 301 redirect for certain ID

12:14 am on Dec 23, 2007 (gmt 0)

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10+ Year Member

joined:Dec 22, 2007
posts: 1
votes: 0

Somehow Google indexed an incorrect URL www.mydomain.com/some_directory/another_directory/file_name.aspx?id=97

The correct URL that should be indexed is www.mydomain.com/some_directory/another_directory/file_name.aspx?id=97&some_parameter=some%20variable%20stuff

Since the id is the same, all the page content is the same for both URL's. Google probably has multiple URL's for the same content indexed, so to avoid a duplicate content issue and be sure all the link equity (both externally and internally) is flowing to just one version of the page we want indexed, we need to do a 301 redirect of any URL's in this form:




To the correctly formatted URL of:


I assume we need to install a ASP.NET script of some sort on file_name.aspx. Does anybody have that script handy or know of any kind of solution?

I am not a programmer, so sorry if my question and explanation does not use the correct terminology. I really appreciate any help any body may have.

5:36 pm on Dec 24, 2007 (gmt 0)

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WebmasterWorld Senior Member 10+ Year Member

joined:Feb 1, 2005
votes: 0

Here is a simple way to do it, you will need to adapt it to match exactly what you need, but the basic idea is there.

Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs)
Dim myID As Integer
Dim myParameter, myCorrectParameter, myNewURL As String

' Get the Query String values
myID = Request.QueryString("id")
myParameter = Request.QueryString("some_parameter")

If myParameter <> "WhateverYouExpected" Then
myCorrectParameter = "WhateverItShouldBe"
myNewURL = String.Format("www.mydomain.com/some_directory/another_directory/file_name.aspx?id={0}&some_parameter={1}", myID.ToString(), myCorrectParameter)
Response.Status = "301 Moved Permanently"
Response.AddHeader("Location", myNewURL)
' do whatever You would have done otherwise
End If
End Sub

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