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MS Access -- Left() and InStr() Problem

Posted on 2006-07-13
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Last Modified: 2008-07-03
Here is my issue:

I am using the following in select statement:

Left(N.FirstName,InStr(1,N.FirstName,' '))

It works fine when N.FirstName is two words but return nothing when it is only one word.

I understand because InStr(1,N.FirstName,' ') is returning '0' then I am tryng to get everything to the left of '0'.  Is there away to put in some sort of if statement to take this into account.

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Question by:daugh016
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6 Comments
 
LVL 65

Expert Comment

by:rockiroads
ID: 17100393
U have to make use of IIF

assuming this is done in a query

Left(N.FirstName,   IIF(InStr(1,N.FirstName,' ')>0,InStr(1,N.FirstName,' '),Len(N.FirstName))

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LVL 65

Expert Comment

by:rockiroads
ID: 17100399
ok, my mistake. Out of practice I give the answer but dont always give an explanation. Sorry about this, I hadnt realise what I do was considered Post Tagging
So if u need an explanation, let me know
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LVL 4

Expert Comment

by:Carl2002
ID: 17100406
It is returning nothing when N.Firstname is one word because of the " " at the end of the statement. The expression is specifically searching for the first space, if there isn't one it will fall down.

Can you explain a little more what you are trying to achieve?
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Author Comment

by:daugh016
ID: 17100439
Carl,

If someones first name is two words, I just want the first one.  

Example if someones name is Mike, I want it to show Mike.
Example if someones name is John Mark, I want it to show John.

Rockiroads,

I couldn't get it to work.  It says missing operator.

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LVL 4

Accepted Solution

by:
Carl2002 earned 50 total points
ID: 17100498
Try this

Expr1: IIf(InStr([field1]," ")=0,[field1],Left([field1],InStr([field1]," ")))
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Author Comment

by:daugh016
ID: 17100541
Thanks Carl.  That worked
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