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Asked: 2026-05-30T18:02:45+00:00

I have a somewhat unnerving problem when using constant values. I have a simple

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I have a somewhat unnerving problem when using constant values. I have a simple page called “test.asp” which sets a variable to a constant and then to a querystring value (if it exists). Then a select case checks if the variable matches the constant and outputs a message “matched”. The problem is that asp does not recognise when the querystring value is the same as the constant.
I have run 2 attempts, “test.asp” and “test.asp?SortField=1”. The first attempt runs as expected but the second attempt reports that 1 is not the same as 1.
The code for this page is as follows.

<%@LANGUAGE="VBSCRIPT" CODEPAGE="65001"%>
<head></head>
<body>

<%
const cSortFielda = 1
dim vSortField

vSortField = cSortFielda
if not isempty(Request("SortField")) then
    vSortField = Request("SortField")
    end if

select case vSortField
    case cSortFielda
        response.write "matched</br>"

    case else
        response.write "failed</br>"
        response.write "vSortField = " & vSortField & "(" & asc(vSortField) & ") </br>"
        response.write "cSortFielda = " & cSortFielda & "(" & asc(cSortFielda) & ") </br>"
        response.write "vSortField = cSortFielda is " & (vSortField = cSortFielda) & "</br>"

        end select
%>

</body>
</html>

Am I missing something blatantly obvious or is asp classic at fault?

Thank you for any assistance.

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1 Answer

  1. Editorial Team

    You’re comparing a string with a number. You need to make sure they are consistent. So either change this line:

    const cSortFielda = 1

    To:

    const cSortFielda = "1"

    Or change this line:

    vSortField = Request("SortField")

    To:

    vSortField = CLng(Request("SortField"))

    The first example compares string to string, and the second example compares number to number.

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