VPMDataHandlerBusinessRules Class
The VPMDataHandlerBusinessRules class is a non-visual custom class that contains methods called by VPM Enterprise data-handler object methods.
Properties
The following table lists the class properties. The properties listed include the standard Visual FoxPro class properties that the VPM Enterprise class uses and the VPM Enterprise custom properties. Where appropriate, the Comments column of the table describes a property and provides suggestions for its use.
|
Property & Initial Value |
Comments |
|
Standard Properties Used: |
|
|
Name = “vpmdatahandlerbusinessrules” |
|
|
Custom Properties: |
None |
Methods
The following table lists the class methods. The methods listed include the standard Visual FoxPro class methods that the VPM Enterprise class uses and the VPM Enterprise custom methods. Where appropriate, the Comments column of the table describes a method and provides suggestions for its use. See the Comments of the Form_Toolbar class methods for more details on the usage of the following VPM Enterprise custom methods.
|
Method |
Comments |
|
Standard Methods Used: |
None |
|
Custom Methods: |
|
|
FieldValidation |
Called by the data handler object’s FieldValidation method when validating a field value. If this method returns .F., the code in this method determines what value and message is returned by the FieldValidation method. Parameters: stcDatabase, stcTableOrView, stcField, stValue, stcRulesID, stoCallingObject |
|
PostAdd |
Called by the data handler object’s AddRecord method after a record has been created. If this method returns .F., the addition of the record is rolled back (the new record is removed/deleted). Parameters: stcRulesID, stoCallingObject |
|
PostCopy |
Called by the data handler object’s AddRecord method after a record has been copied. If this method returns .F., the copying of the record is rolled back (the copied record is removed/deleted). Parameters: stcRulesID, stoCallingObject |
|
PostDelete |
Called by the data handler object’s DeleteRecord method after the deletion of a record. If this method returns .F., the deletion of the record is rolled back (the deleted record is undeleted). Parameters: stcRulesID, stoCallingObject |
|
PostDeletePostTransaction |
Called by the data handler object’s DeleteRecord method after the deletion of a record. Parameters: stcRulesID, stoCallingObject |
|
PostFieldValidation |
Called by the data handler object’s FieldValidation method after validating a field value. If this method returns .F., the code in this method determines what value and message is returned by the FieldValidation method. Parameters: stcDatabase, stcTableOrView, stcField, stValue, stcRulesID, stoCallingObject |
|
PostRestore |
Called by the data handler object’s RestoreRecord method after restoring a record. Parameters: stcRulesID, stoCallingObject |
|
PostSave |
Called by the data handler object’s SaveRecord method after the saving of a record. If this method returns .F., the saving of the record is rolled back. Parameters: stcRulesID, stoCallingObject |
|
PostSavePostTransaction |
Called by the data handler object’s SaveRecord method after the saving of a record. Parameters: stcRulesID, stoCallingObject |
|
PreAdd |
Called by the data handler object’s AddRecord method before the addition of a record. If this method returns .F., the addition of the record is cancelled. Parameters: stcRulesID, stoCallingObject |
|
PreCopy |
Called by the data handler object’s AddRecord method before the copying of a record. If this method returns .F., the copying of the record is cancelled. Parameters: stcRulesID, stoCallingObject |
|
PreDelete |
Called by the data handler object’s DeleteRecord method before the deletion of a record. If this method returns .F., the deletion of the record is cancelled. Parameters: stcRulesID, stoCallingObject |
|
PreDeletePreTransaction |
Called by the data handler object’s DeleteRecord method before the deletion of a record. If this method returns .F., the deletion of the record is cancelled. Parameters: stcRulesID, stoCallingObject |
|
PreFieldValidation |
Called by the data handler object’s FieldValidation method before the validation of a field value. If this method returns .F., the code in this method determines what value and message is returned by the FieldValidation method. Parameters: stcDatabase, stcTableOrView, stcField, stValue, stcRulesID, stoCallingObject |
|
PreRestore |
Called by the data handler object’s RestoreRecord method before the restoring of a record. If this method returns .F., the restore is cancelled. Parameters: stcRulesID, stoCallingObject |
|
PreSave |
Called by the data handler object’s SaveRecord method before the saving of a record. If this method returns .F., the save is cancelled. Parameters: stcRulesID, stoCallingObject |
|
PreSavePreTransaction |
Called by the data handler object’s SaveRecord method before the saving of a record. If this method returns .F., the save is cancelled. Parameters: stcRulesID, stoCallingObject |
