SET DATEFORMAT dmy

is an option.

You can as well change your date format to ANSI

i.e. 19/10/2004 becomes '20041019'

SQL server converts this to date irrespective of the date format at...

the only way out is to store those items as session variables,

eg assuming you have var1, var2, var3 .. varn

you can have

session("v1") = var1

session("v2")= var2

session("v3") = var3

...

session("vn") = varn

then...