Knowledge Base

PRB: Default Values Not Checked for Integrity by Visual FoxPro

Article ID: 130303

Article Last Modified on 2/10/2000

APPLIES TO

This article was previously published under Q130303

SYMPTOMS

When you provide a default value property for a field in a Visual FoxPro table, Visual FoxPro does not check to see if the default value passes the field validation rule.

RESOLUTION

The developer should be sure that the default value property for a field does not violate the field validation rules.

STATUS

This behavior is by design.

MORE INFORMATION

Ensuring that field default values do not violate field validation rules is the responsibility of the programmer.

Steps to Reproduce Behavior

  1. Create a new database and table.
  2. Add a new field (named nfld1, type numeric, width 4).
  3. As a Validation rule, type:

    IIF(nfld1 > 100, .T., .F.)

  4. As a Default Value, type:

    99

  5. Save the table structure, and append a new record to the table. An error occurs because the default value 99 violates the validation rule that nfld1 must be greater than 100.

Additional query words: VFoxWin

Keywords: KB130303


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