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NZ & IIF

Ray
I use the expression below in a crosstab query and it works fine.
However, else where I would like to sum the four levels but on
ocassions some of the levels are null. Can anyone tell me how to use
the NZ function with this query to overcome the NULL entries or should
I be looking at some other function?

TIA - Ray

IIf([ReadingTotal]) Between 0 And 19,"Level 1",IIf([ReadingTotal])
Between 20 And 37,"Level 2",IIf([ReadingTotal]) Between 38 And
55,"Level 3",IIf([ReadingTotal]) Between 56 And 75,"Level 4"))))
Nov 12 '05 #1
2 8943
TC
Say you normally have:

IIF ([blah] BETWEEN 11 AND 33, ...

but [blah] might sometimes be null.
If you want null values to >pass< the BETWEEN test:

IIF ( NZ ([blah], 1) BETWEEN 1 AND 9, ...
If you want them to >fail<:

IIF ( NZ ([blah], 0) BETWEEN 1 AND 9, ...
HTH,
TC
"Ray" <wa*****@xtra.co.nz> wrote in message
news:42**************************@posting.google.c om...
I use the expression below in a crosstab query and it works fine.
However, else where I would like to sum the four levels but on
ocassions some of the levels are null. Can anyone tell me how to use
the NZ function with this query to overcome the NULL entries or should
I be looking at some other function?

TIA - Ray

IIf([ReadingTotal]) Between 0 And 19,"Level 1",IIf([ReadingTotal])
Between 20 And 37,"Level 2",IIf([ReadingTotal]) Between 38 And
55,"Level 3",IIf([ReadingTotal]) Between 56 And 75,"Level 4"))))

Nov 12 '05 #2
TC
Sorry, I changed from 11..33 to 1..9 midstream! But you get the idea.

TC
"TC" <a@b.c.d> wrote in message news:1069561203.312013@teuthos...
Say you normally have:

IIF ([blah] BETWEEN 11 AND 33, ...

but [blah] might sometimes be null.
If you want null values to >pass< the BETWEEN test:

IIF ( NZ ([blah], 1) BETWEEN 1 AND 9, ...
If you want them to >fail<:

IIF ( NZ ([blah], 0) BETWEEN 1 AND 9, ...
HTH,
TC
"Ray" <wa*****@xtra.co.nz> wrote in message
news:42**************************@posting.google.c om...
I use the expression below in a crosstab query and it works fine.
However, else where I would like to sum the four levels but on
ocassions some of the levels are null. Can anyone tell me how to use
the NZ function with this query to overcome the NULL entries or should
I be looking at some other function?

TIA - Ray

IIf([ReadingTotal]) Between 0 And 19,"Level 1",IIf([ReadingTotal])
Between 20 And 37,"Level 2",IIf([ReadingTotal]) Between 38 And
55,"Level 3",IIf([ReadingTotal]) Between 56 And 75,"Level 4"))))


Nov 12 '05 #3

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