classic asp cookies issue

[adrianbromfield]

Hi,

does anybody know why or a way around this problem i am getting.

if i do this..

if 2 = request.cookies("car_id") then

this will return true

but if i swap to for a variable like

if var = request.cookies("car_id") then

it wont return true. And i have made sure that the var is equal to 2 for testing. I cant understand why this is. or how i can do what im wanting to do with this happening. it needs to be a variable as var will change as its an id for a specific car.

anyhelp would really be appreciated.

thanks,
adrian

[vfoo]

Be sure to ensure that your variables are correctly typed, often that is the only problem.

ASP uses "Variant" types for almost everything, so even though your cookie "car_id" is set to the numeral 2, it will very often output as the string "2".

So when you say does "2" = 2, the answer is also not always true.

(One of the many reasons I hate classic ASP is that there are many things that do not always do the same thing in different server environments)

Note: There are other ways to ensure your variable type is correct, that said, I like the cStr method because of it's simplicity. The reason for the format of cStr("" & Value) is to ensure that the cStr function has an output when Value is Null.

So an example:

(Assuming Classic ASP here):

Dim MyCookie 'As String
Dim MyTest 'As String

'Setup the vars and ensure types are correct
MyCookie = cStr("" & Request.Cookies("cookie_name"))
MyTest = "2"

'Perform the Test
If MyCookie = MyTest Then
Response.Write "Test Passed"
Else
Response.wRite "Test Failed"
End If

HTH
vfoo

[adrianbromfield]

Hey Vfoo,

you are a star! I couldnt understand as when testing I tried as "2" and as 2, and they both worked fine but as soon as i used variable it didnt. So maybe how it was storing in the variable was different.

I have tried out your suggestion and it works perfectly so thanks a bundle. I guess it is always best to make sure it is of same type.

Thanks again.