[mso] Access 2003: How To Trap Blank Spaces In A Text Field?

To All,

In Access 2003 reports, I want to treat a field that contains only one or more 
blank spaces as a null value. It was suggested in a previous thread that I use 
expressions such as the following:

   NullValue: IIF([tablevalue] <> " ", [tablevalue])

   or

   NullValue: IIF(len([tablevalue]) >6, [tablevalue]))

I understand that the second expression above would not null out any field of 
more than six characters. Please ignore that limitation.

Questions:

1. If I chose to use one of these expressions, where does it get inserted? 
Would it be a property of a text box in the report or would it be a criterion 
in a query from which a report would generate?

2. Would the Trim function return the null value if the field contains only 
white space such as blank spaces and/or tabs?

I would appreciate seeing a short example of one of these methods in use.

For some reason, the Help system in my version of Access wants to go to a 
Microsoft site for answers to any search I try. How do I get Access to draw 
from the Help file on my local PC? Also, the size of the font returned from 
the MS site is so tiny, I have to copy and paste it into Notepad in order to 
read it. How do I change the font of Help messages? Holding Ctrl while rolling 
the center wheel on my mouse does change displayed font sizes in MS Internet 
Explorer and Firefox, but it doesn't affect font size in the Help messages.

Thank you for your help.

Ray Shapp


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