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About Field Validation Rules

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Fields, whether stored in a recordset or a library, may be validated when information is entered. Validation means that the contents of the field are checked to ensure that they follow the rules defined by the Administrator. Validation rules help ensure that data is entered consistently.

Fields are added using Structure Manager. Field validation rules can be added to any existing field. If the rule is directed at the field you are adding, the field needs to be added before that rule can be established.

For example, you are adding a number field called Count and the numeric value cannot be greater than 10. The rule would be: ([Count] >10). Because the Count field name is part of the rule, the field needs to exist before the rule is added.

If a validation rule is entered then validation text is required.