Hi Kevin,

Even I have done the child obj registration, it will just show the warning message in the last tab where the user saves the record, but I would prefer to display the warning message for the invalid entry in the respective tab. So the validation will be done for each tab when the tab index is changed. Currently I'm using the following function for my validations. Is there a better way to do so? Thanks.

            saveResult = Me.oAddress.Rules.CheckRules(Me.oAddress.DataSet, Me.oAddress.TableName, True)

            Select Case saveResult
                Case mmSaveDataResult.RulesPassed
                    Return True
                Case mmSaveDataResult.Exception
                    ' Do something
                    Return False
                Case Else
                    ' Do something
                    Return False
             End Select