PRB: Default Values Not Checked for Integrity by Visual FoxPro

ID: Q130303

3.00 WINDOWS kbprg kbprb

The information in this article applies to:

Microsoft Visual FoxPro for Windows, version 3.0

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:

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 reference words: 3.00 VFoxWin KBCategory: kbprg kbprb KBSubcategory: FxprgTable

Keywords          : FxprgTable 
Version           : 3.00
Platform          : WINDOWS