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6.6

Validation Rules in Forms

Asked by kevinkempf in Microsoft Access Database

Tags: access, isnotnull, rules, validation

I have an Access 95 form which contains a date field called [CONTACT_DT]and

a one-character text field called [METHOD] which appears on the form as a
combo box.

The combo box provides a drop down menu from which the user can select
null, A, B, C, D, or E.

I am  trying to ensure that anytime a user puts a date in [CONTACT_DT] that they enter something other than null in the [METHOD] and conversely, if the date is blank the method must be left null.

The validation rule for the method combo box looks like this but doesn't work:

iif(IsEmpty[CONTACT_DT],IsNull,IsNotNull)

Any assistance is greatly appreciated.

kevinkempf@ids.com
[+][-]09/29/97 10:57 AM, ID: 1956813Accepted Solution

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About this solution

Zone: Microsoft Access Database
Tags: access, isnotnull, rules, validation
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Solution Provided By: Chrrris
Participating Experts: 1
Solution Grade: C
 
 
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