private void ValidateDataManual(PSubscriptionRow ARow)
        {
            DataColumn ValidationColumn;
            DataColumn ValidationColumn2;
            TValidationControlsData ValidationControlsData;
            TValidationControlsData ValidationControlsData2;
            TVerificationResult VerificationResult = null;
            bool NoClearingOfVerificationResult = false;

            TVerificationResultCollection VerificationResultCollection = FPetraUtilsObject.VerificationResultCollection;

            if (!chkChangeReasonSubsGivenCode.Checked)
            {
                if (VerificationResultCollection.Contains(ARow.Table.Columns[PSubscriptionTable.ColumnReasonSubsGivenCodeId]))
                {
                    VerificationResultCollection.Remove(ARow.Table.Columns[PSubscriptionTable.ColumnReasonSubsGivenCodeId]);
                }
            }

            if (!chkChangeStartDate.Checked)
            {
                if (VerificationResultCollection.Contains(ARow.Table.Columns[PSubscriptionTable.ColumnStartDateId]))
                {
                    VerificationResultCollection.Remove(ARow.Table.Columns[PSubscriptionTable.ColumnStartDateId]);
                }
            }

            // if 'SubscriptionStatus' is CANCELLED or EXPIRED then 'Reason Ended' and 'End Date' must be set
            ValidationColumn = ARow.Table.Columns[PSubscriptionTable.ColumnSubscriptionStatusId];

            if (FPetraUtilsObject.ValidationControlsDict.TryGetValue(ValidationColumn, out ValidationControlsData))
            {
                if ((!ARow.IsSubscriptionStatusNull())
                    && ((ARow.SubscriptionStatus == "CANCELLED")
                        || (ARow.SubscriptionStatus == "EXPIRED")))
                {
                    if (ARow.IsReasonSubsCancelledCodeNull()
                        || (ARow.ReasonSubsCancelledCode == String.Empty))
                    {
                        VerificationResult = new TScreenVerificationResult(new TVerificationResult(this,
                                ErrorCodes.GetErrorInfo(PetraErrorCodes.ERR_SUBSCRIPTION_REASONENDEDMANDATORY_WHEN_EXPIRED)),
                            ValidationColumn, ValidationControlsData.ValidationControl);
                    }
                    else if (ARow.IsDateCancelledNull())
                    {
                        VerificationResult = new TScreenVerificationResult(new TVerificationResult(this,
                                ErrorCodes.GetErrorInfo(PetraErrorCodes.ERR_SUBSCRIPTION_DATEENDEDMANDATORY_WHEN_EXPIRED)),
                            ValidationColumn, ValidationControlsData.ValidationControl);
                    }
                }
                else
                {
                    // if 'SubscriptionStatus' is not CANCELLED or EXPIRED then 'Reason Ended' and 'End Date' must NOT be set
                    if (chkChangeReasonSubsCancelledCode.Checked)
                    {
                        if ((ARow.IsReasonSubsCancelledCodeNull())
                            || (ARow.ReasonSubsCancelledCode == String.Empty))
                        {
                            VerificationResult = new TScreenVerificationResult(new TVerificationResult(this,
                                    ErrorCodes.GetErrorInfo(PetraErrorCodes.ERR_SUBSCRIPTION_REASONENDEDSET_WHEN_ACTIVE)),
                                ValidationColumn, ValidationControlsData.ValidationControl);
                        }
                    }
                    else if (!chkChangeReasonSubsCancelledCode.Checked)
                    {
                        if (ARow.SubscriptionStatus != String.Empty)
                        {
                            VerificationResult = new TScreenVerificationResult(new TVerificationResult(this,
                                    ErrorCodes.GetErrorInfo(PetraErrorCodes.ERR_SUBSCRIPTION_REASONENDEDSET_WHEN_ACTIVE)),
                                ValidationColumn, ValidationControlsData.ValidationControl);

                            VerificationResult.OverrideResultText(Catalog.GetString(
                                    "Reason Ended must be cleared when a Subscription is made active."));

                            NoClearingOfVerificationResult = true;
                        }
                    }

                    if ((!ARow.IsReasonSubsCancelledCodeNull())
                        && (ARow.ReasonSubsCancelledCode != String.Empty))
                    {
                        VerificationResult = new TScreenVerificationResult(new TVerificationResult(this,
                                ErrorCodes.GetErrorInfo(PetraErrorCodes.ERR_SUBSCRIPTION_REASONENDEDSET_WHEN_ACTIVE)),
                            ValidationColumn, ValidationControlsData.ValidationControl);
                    }
                    else if (!ARow.IsDateCancelledNull())
                    {
                        VerificationResult = new TScreenVerificationResult(new TVerificationResult(this,
                                ErrorCodes.GetErrorInfo(PetraErrorCodes.ERR_SUBSCRIPTION_DATEENDEDSET_WHEN_ACTIVE)),
                            ValidationColumn, ValidationControlsData.ValidationControl);
                    }
                    else if (!chkChangeDateCancelled.Checked)
                    {
                        if (ARow.SubscriptionStatus != String.Empty)
                        {
                            VerificationResult = new TScreenVerificationResult(new TVerificationResult(this,
                                    ErrorCodes.GetErrorInfo(PetraErrorCodes.ERR_SUBSCRIPTION_DATEENDEDSET_WHEN_ACTIVE)),
                                ValidationColumn, ValidationControlsData.ValidationControl);

                            VerificationResult.OverrideResultText(Catalog.GetString("Date Ended must be cleared when a Subscription is made active."));
                        }
                    }
                    else
                    {
                        if (!NoClearingOfVerificationResult)
                        {
                            VerificationResult = null;
                        }
                    }
                }

                // Handle addition/removal to/from TVerificationResultCollection
                VerificationResultCollection.Auto_Add_Or_AddOrRemove(this, VerificationResult, ValidationColumn);

                // perform checks that include 'Start Date' ----------------------------------------------------------------
                if (chkChangeStartDate.Checked)
                {
                    ValidationColumn = ARow.Table.Columns[PSubscriptionTable.ColumnStartDateId];

                    if (FPetraUtilsObject.ValidationControlsDict.TryGetValue(ValidationColumn, out ValidationControlsData))
                    {
                        // 'Start Date' must not be later than 'Expiry Date'
                        if (chkChangeExpiryDate.Checked)
                        {
                            ValidationColumn2 = ARow.Table.Columns[PSubscriptionTable.ColumnExpiryDateId];

                            if (FPetraUtilsObject.ValidationControlsDict.TryGetValue(ValidationColumn2, out ValidationControlsData2))
                            {
                                VerificationResult = TDateChecks.FirstLesserOrEqualThanSecondDate
                                                         (ARow.StartDate,
                                                         ARow.ExpiryDate,
                                                         ValidationControlsData.ValidationControlLabel,
                                                         ValidationControlsData2.ValidationControlLabel,
                                                         this,
                                                         ValidationColumn,
                                                         ValidationControlsData.ValidationControl);

                                // Handle addition to/removal from TVerificationResultCollection
                                VerificationResultCollection.Auto_Add_Or_AddOrRemove(this, VerificationResult, ValidationColumn);
                            }
                        }

                        // 'Start Date' must not be later than 'Renewal Date'
                        if (chkChangeRenewalDate.Checked)
                        {
                            ValidationColumn2 = ARow.Table.Columns[PSubscriptionTable.ColumnSubscriptionRenewalDateId];

                            if (FPetraUtilsObject.ValidationControlsDict.TryGetValue(ValidationColumn2, out ValidationControlsData2))
                            {
                                VerificationResult = TDateChecks.FirstLesserOrEqualThanSecondDate
                                                         (ARow.StartDate,
                                                         ARow.SubscriptionRenewalDate,
                                                         ValidationControlsData.ValidationControlLabel,
                                                         ValidationControlsData2.ValidationControlLabel,
                                                         this,
                                                         ValidationColumn,
                                                         ValidationControlsData.ValidationControl);

                                // Handle addition to/removal from TVerificationResultCollection
                                VerificationResultCollection.Auto_Add_Or_AddOrRemove(this, VerificationResult, ValidationColumn);
                            }
                        }

                        // 'Start Date' must not be later than 'End Date'
                        if (chkChangeDateCancelled.Checked)
                        {
                            ValidationColumn2 = ARow.Table.Columns[PSubscriptionTable.ColumnDateCancelledId];

                            if (FPetraUtilsObject.ValidationControlsDict.TryGetValue(ValidationColumn2, out ValidationControlsData2))
                            {
                                VerificationResult = TDateChecks.FirstLesserOrEqualThanSecondDate
                                                         (ARow.StartDate,
                                                         ARow.DateCancelled,
                                                         ValidationControlsData.ValidationControlLabel,
                                                         ValidationControlsData2.ValidationControlLabel,
                                                         this,
                                                         ValidationColumn,
                                                         ValidationControlsData.ValidationControl);

                                // Handle addition to/removal from TVerificationResultCollection
                                VerificationResultCollection.Auto_Add_Or_AddOrRemove(this, VerificationResult, ValidationColumn);
                            }
                        }

                        // 'Start Date' must not be later than 'Notice Sent'
                        if (chkChangeDateNoticeSent.Checked)
                        {
                            ValidationColumn2 = ARow.Table.Columns[PSubscriptionTable.ColumnDateNoticeSentId];

                            if (FPetraUtilsObject.ValidationControlsDict.TryGetValue(ValidationColumn2, out ValidationControlsData2))
                            {
                                VerificationResult = TDateChecks.FirstLesserOrEqualThanSecondDate
                                                         (ARow.StartDate,
                                                         ARow.DateNoticeSent,
                                                         ValidationControlsData.ValidationControlLabel,
                                                         ValidationControlsData2.ValidationControlLabel,
                                                         this,
                                                         ValidationColumn,
                                                         ValidationControlsData.ValidationControl);

                                // Handle addition to/removal from TVerificationResultCollection
                                VerificationResultCollection.Auto_Add_Or_AddOrRemove(this, VerificationResult, ValidationColumn);
                            }
                        }

                        // 'Start Date' must not be later than 'First Sent'
                        if (chkChangeFirstIssue.Checked)
                        {
                            ValidationColumn2 = ARow.Table.Columns[PSubscriptionTable.ColumnFirstIssueId];

                            if (FPetraUtilsObject.ValidationControlsDict.TryGetValue(ValidationColumn2, out ValidationControlsData2))
                            {
                                VerificationResult = TDateChecks.FirstLesserOrEqualThanSecondDate
                                                         (ARow.StartDate,
                                                         ARow.FirstIssue,
                                                         ValidationControlsData.ValidationControlLabel,
                                                         ValidationControlsData2.ValidationControlLabel,
                                                         this,
                                                         ValidationColumn,
                                                         ValidationControlsData.ValidationControl);

                                // Handle addition to/removal from TVerificationResultCollection
                                VerificationResultCollection.Auto_Add_Or_AddOrRemove(this, VerificationResult, ValidationColumn);
                            }
                        }

                        // 'Start Date' must not be later than 'Last Date'
                        if (chkChangeLastIssue.Checked)
                        {
                            ValidationColumn2 = ARow.Table.Columns[PSubscriptionTable.ColumnLastIssueId];

                            if (FPetraUtilsObject.ValidationControlsDict.TryGetValue(ValidationColumn2, out ValidationControlsData2))
                            {
                                VerificationResult = TDateChecks.FirstLesserOrEqualThanSecondDate
                                                         (ARow.StartDate,
                                                         ARow.LastIssue,
                                                         ValidationControlsData.ValidationControlLabel,
                                                         ValidationControlsData2.ValidationControlLabel,
                                                         this,
                                                         ValidationColumn,
                                                         ValidationControlsData.ValidationControl);

                                // Handle addition to/removal from TVerificationResultCollection
                                VerificationResultCollection.Auto_Add_Or_AddOrRemove(this, VerificationResult, ValidationColumn);
                            }
                        }
                    }
                }

                // perform checks that include 'Date Renewed' ----------------------------------------------------------------
                if (chkChangeRenewalDate.Checked)
                {
                    ValidationColumn = ARow.Table.Columns[PSubscriptionTable.ColumnSubscriptionRenewalDateId];

                    if (FPetraUtilsObject.ValidationControlsDict.TryGetValue(ValidationColumn, out ValidationControlsData))
                    {
                        // 'Date Renewed' must not be later than today
                        VerificationResult = TDateChecks.FirstLesserOrEqualThanSecondDate
                                                 (ARow.SubscriptionRenewalDate, DateTime.Today,
                                                 ValidationControlsData.ValidationControlLabel, Catalog.GetString("Today's Date"),
                                                 this, ValidationColumn, ValidationControlsData.ValidationControl);

                        // Handle addition to/removal from TVerificationResultCollection
                        VerificationResultCollection.Auto_Add_Or_AddOrRemove(this, VerificationResult, ValidationColumn);

                        // 'Date Renewed' must not be later than 'Date Expired'
                        if (chkChangeExpiryDate.Checked)
                        {
                            ValidationColumn2 = ARow.Table.Columns[PSubscriptionTable.ColumnExpiryDateId];

                            if (FPetraUtilsObject.ValidationControlsDict.TryGetValue(ValidationColumn2, out ValidationControlsData2))
                            {
                                VerificationResult = TDateChecks.FirstLesserOrEqualThanSecondDate
                                                         (ARow.SubscriptionRenewalDate,
                                                         ARow.ExpiryDate,
                                                         ValidationControlsData.ValidationControlLabel,
                                                         ValidationControlsData2.ValidationControlLabel,
                                                         this,
                                                         ValidationColumn,
                                                         ValidationControlsData.ValidationControl);

                                // Handle addition to/removal from TVerificationResultCollection
                                VerificationResultCollection.Auto_Add_Or_AddOrRemove(this, VerificationResult, ValidationColumn);
                            }
                        }

                        // 'Date Renewed' must not be later than 'Date Notice Sent'
                        if (chkChangeDateNoticeSent.Checked)
                        {
                            ValidationColumn2 = ARow.Table.Columns[PSubscriptionTable.ColumnDateNoticeSentId];

                            if (FPetraUtilsObject.ValidationControlsDict.TryGetValue(ValidationColumn2, out ValidationControlsData2))
                            {
                                VerificationResult = TDateChecks.FirstLesserOrEqualThanSecondDate
                                                         (ARow.SubscriptionRenewalDate,
                                                         ARow.DateNoticeSent,
                                                         ValidationControlsData.ValidationControlLabel,
                                                         ValidationControlsData2.ValidationControlLabel,
                                                         this,
                                                         ValidationColumn,
                                                         ValidationControlsData.ValidationControl);

                                // Handle addition to/removal from TVerificationResultCollection
                                VerificationResultCollection.Auto_Add_Or_AddOrRemove(this, VerificationResult, ValidationColumn);
                            }
                        }
                    }
                }

                // 'Date Cancelled' must not be before today
                if (chkChangeDateCancelled.Checked)
                {
                    ValidationColumn = ARow.Table.Columns[PSubscriptionTable.ColumnDateCancelledId];

                    if (FPetraUtilsObject.ValidationControlsDict.TryGetValue(ValidationColumn, out ValidationControlsData))
                    {
                        VerificationResult = TDateChecks.FirstLesserOrEqualThanSecondDate
                                                 (ARow.DateCancelled, DateTime.Today,
                                                 ValidationControlsData.ValidationControlLabel, Catalog.GetString("Today's Date"),
                                                 this, ValidationColumn, ValidationControlsData.ValidationControl);

                        // Handle addition to/removal from TVerificationResultCollection
                        VerificationResultCollection.Auto_Add_Or_AddOrRemove(this, VerificationResult, ValidationColumn);
                    }
                }

                // 'First Sent' must not be later than 'Last Sent'
                if (chkChangeFirstIssue.Checked
                    && chkChangeLastIssue.Checked)
                {
                    ValidationColumn = ARow.Table.Columns[PSubscriptionTable.ColumnFirstIssueId];

                    if (FPetraUtilsObject.ValidationControlsDict.TryGetValue(ValidationColumn, out ValidationControlsData))
                    {
                        ValidationColumn2 = ARow.Table.Columns[PSubscriptionTable.ColumnLastIssueId];

                        if (FPetraUtilsObject.ValidationControlsDict.TryGetValue(ValidationColumn2, out ValidationControlsData2))
                        {
                            VerificationResult = TDateChecks.FirstLesserOrEqualThanSecondDate
                                                     (ARow.FirstIssue, ARow.LastIssue,
                                                     ValidationControlsData.ValidationControlLabel, ValidationControlsData2.ValidationControlLabel,
                                                     this, ValidationColumn, ValidationControlsData.ValidationControl);

                            // Handle addition to/removal from TVerificationResultCollection
                            VerificationResultCollection.Auto_Add_Or_AddOrRemove(this, VerificationResult, ValidationColumn);
                        }
                    }
                }

                // 'First Sent' must not be later than today
                if (chkChangeFirstIssue.Checked)
                {
                    ValidationColumn = ARow.Table.Columns[PSubscriptionTable.ColumnFirstIssueId];

                    if (FPetraUtilsObject.ValidationControlsDict.TryGetValue(ValidationColumn, out ValidationControlsData))
                    {
                        VerificationResult = TDateChecks.FirstLesserOrEqualThanSecondDate
                                                 (ARow.FirstIssue, DateTime.Today,
                                                 ValidationControlsData.ValidationControlLabel, Catalog.GetString("Today's Date"),
                                                 this, ValidationColumn, ValidationControlsData.ValidationControl);

                        // Handle addition to/removal from TVerificationResultCollection
                        VerificationResultCollection.Auto_Add_Or_AddOrRemove(this, VerificationResult, ValidationColumn);
                    }
                }

                // 'Date Started' must not be later than 'First Sent'
                if (chkChangeFirstIssue.Checked
                    && chkChangeStartDate.Checked)
                {
                    ValidationColumn = ARow.Table.Columns[PSubscriptionTable.ColumnStartDateId];

                    if (FPetraUtilsObject.ValidationControlsDict.TryGetValue(ValidationColumn, out ValidationControlsData))
                    {
                        ValidationColumn2 = ARow.Table.Columns[PSubscriptionTable.ColumnFirstIssueId];

                        if (FPetraUtilsObject.ValidationControlsDict.TryGetValue(ValidationColumn2, out ValidationControlsData2))
                        {
                            VerificationResult = TDateChecks.FirstLesserOrEqualThanSecondDate
                                                     (ARow.StartDate, ARow.FirstIssue,
                                                     ValidationControlsData.ValidationControlLabel, ValidationControlsData2.ValidationControlLabel,
                                                     this, ValidationColumn, ValidationControlsData.ValidationControl);

                            // Handle addition to/removal from TVerificationResultCollection
                            VerificationResultCollection.Auto_Add_Or_AddOrRemove(this, VerificationResult, ValidationColumn);
                        }
                    }
                }

                // 'Last Sent' must not be later than today
                if (chkChangeLastIssue.Checked)
                {
                    ValidationColumn = ARow.Table.Columns[PSubscriptionTable.ColumnLastIssueId];

                    if (FPetraUtilsObject.ValidationControlsDict.TryGetValue(ValidationColumn, out ValidationControlsData))
                    {
                        VerificationResult = TDateChecks.FirstLesserOrEqualThanSecondDate
                                                 (ARow.LastIssue, DateTime.Today,
                                                 ValidationControlsData.ValidationControlLabel, Catalog.GetString("Today's Date"),
                                                 this, ValidationColumn, ValidationControlsData.ValidationControl);

                        // Handle addition to/removal from TVerificationResultCollection
                        VerificationResultCollection.Auto_Add_Or_AddOrRemove(this, VerificationResult, ValidationColumn);
                    }
                }
            }
        }
        private void ValidateDataManual(PSubscriptionRow ARow)
        {
            DataColumn ValidationColumn;
            TValidationControlsData ValidationControlsData;
            TVerificationResult VerificationResult = null;
            bool NoClearingOfVerificationResult = false;

            TVerificationResultCollection VerificationResultCollection = FPetraUtilsObject.VerificationResultCollection;

            if (!chkChangeReasonSubsGivenCode.Checked)
            {
                if (VerificationResultCollection.Contains(ARow.Table.Columns[PSubscriptionTable.ColumnReasonSubsGivenCodeId]))
                {
                    VerificationResultCollection.Remove(ARow.Table.Columns[PSubscriptionTable.ColumnReasonSubsGivenCodeId]);
                }
            }

            if (!chkChangeStartDate.Checked)
            {
                if (VerificationResultCollection.Contains(ARow.Table.Columns[PSubscriptionTable.ColumnStartDateId]))
                {
                    VerificationResultCollection.Remove(ARow.Table.Columns[PSubscriptionTable.ColumnStartDateId]);
                }
            }

            // if 'SubscriptionStatus' is CANCELLED or EXPIRED then 'Reason Ended' and 'End Date' must be set
            ValidationColumn = ARow.Table.Columns[PSubscriptionTable.ColumnSubscriptionStatusId];

            if (FPetraUtilsObject.ValidationControlsDict.TryGetValue(ValidationColumn, out ValidationControlsData))
            {
                if ((!ARow.IsSubscriptionStatusNull())
                    && ((ARow.SubscriptionStatus == "CANCELLED")
                        || (ARow.SubscriptionStatus == "EXPIRED")))
                {
                    if (ARow.IsReasonSubsCancelledCodeNull()
                        || (ARow.ReasonSubsCancelledCode == String.Empty))
                    {
                        VerificationResult = new TScreenVerificationResult(new TVerificationResult(this,
                                ErrorCodes.GetErrorInfo(PetraErrorCodes.ERR_SUBSCRIPTION_REASONENDEDMANDATORY_WHEN_EXPIRED)),
                            ValidationColumn, ValidationControlsData.ValidationControl);
                    }
                    else if (ARow.IsDateCancelledNull())
                    {
                        VerificationResult = new TScreenVerificationResult(new TVerificationResult(this,
                                ErrorCodes.GetErrorInfo(PetraErrorCodes.ERR_SUBSCRIPTION_DATEENDEDMANDATORY_WHEN_EXPIRED)),
                            ValidationColumn, ValidationControlsData.ValidationControl);
                    }
                }
                else
                {
                    // if 'SubscriptionStatus' is not CANCELLED or EXPIRED then 'Reason Ended' and 'End Date' must NOT be set
                    if (chkChangeReasonSubsCancelledCode.Checked)
                    {
                        if ((ARow.IsReasonSubsCancelledCodeNull())
                            || (ARow.ReasonSubsCancelledCode == String.Empty))
                        {
                            VerificationResult = new TScreenVerificationResult(new TVerificationResult(this,
                                    ErrorCodes.GetErrorInfo(PetraErrorCodes.ERR_SUBSCRIPTION_REASONENDEDSET_WHEN_ACTIVE)),
                                ValidationColumn, ValidationControlsData.ValidationControl);
                        }
                    }
                    else if (!chkChangeReasonSubsCancelledCode.Checked)
                    {
                        if (ARow.SubscriptionStatus != String.Empty)
                        {
                            VerificationResult = new TScreenVerificationResult(new TVerificationResult(this,
                                    ErrorCodes.GetErrorInfo(PetraErrorCodes.ERR_SUBSCRIPTION_REASONENDEDSET_WHEN_ACTIVE)),
                                ValidationColumn, ValidationControlsData.ValidationControl);

                            VerificationResult.OverrideResultText(Catalog.GetString(
                                    "Reason Ended must be cleared when a Subscription is made active."));

                            NoClearingOfVerificationResult = true;
                        }
                    }

                    if ((!ARow.IsReasonSubsCancelledCodeNull())
                        && (ARow.ReasonSubsCancelledCode != String.Empty))
                    {
                        VerificationResult = new TScreenVerificationResult(new TVerificationResult(this,
                                ErrorCodes.GetErrorInfo(PetraErrorCodes.ERR_SUBSCRIPTION_REASONENDEDSET_WHEN_ACTIVE)),
                            ValidationColumn, ValidationControlsData.ValidationControl);
                    }
                    else if (!ARow.IsDateCancelledNull())
                    {
                        VerificationResult = new TScreenVerificationResult(new TVerificationResult(this,
                                ErrorCodes.GetErrorInfo(PetraErrorCodes.ERR_SUBSCRIPTION_DATEENDEDSET_WHEN_ACTIVE)),
                            ValidationColumn, ValidationControlsData.ValidationControl);
                    }
                    else if (!chkChangeDateCancelled.Checked)
                    {
                        if (ARow.SubscriptionStatus != String.Empty)
                        {
                            VerificationResult = new TScreenVerificationResult(new TVerificationResult(this,
                                    ErrorCodes.GetErrorInfo(PetraErrorCodes.ERR_SUBSCRIPTION_DATEENDEDSET_WHEN_ACTIVE)),
                                ValidationColumn, ValidationControlsData.ValidationControl);

                            VerificationResult.OverrideResultText(Catalog.GetString("Date Ended must be cleared when a Subscription is made active."));
                        }
                    }
                    else
                    {
                        if (!NoClearingOfVerificationResult)
                        {
                            VerificationResult = null;
                        }
                    }
                }

                // Handle addition/removal to/from TVerificationResultCollection
                VerificationResultCollection.Auto_Add_Or_AddOrRemove(this, VerificationResult, ValidationColumn);
            }
        }