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-   -   using a expression causing frustration (http://p2p.wrox.com/showthread.php?t=45720)

s.wright July 26th, 2006 05:48 AM

using a expression causing frustration
Hi Guys, Im hoping someone can help me with this, Im trying to make an expression which will look at a coloumn in a query and see if its null if it is, i want it to calculate 75% of a figure.

So far it looks like this,
Expr1: iif(isnull[Works order No]),[Works order No]*0.75,=0

Can someone please help me along here, i have used access a bit i have just never performed an operation like this.

Steve Wright

SerranoG July 26th, 2006 03:37 PM

Expr1: Nz([Works order No], 0) * 0.75

Greg Serrano
Michigan Dept. of Environmental Quality, Air Quality Division

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