CancelEdit() private method

private CancelEdit ( ) : void
return void
        internal void CompleteLastAdded(bool add)
        {
            DataRow dr = _lastAdded;

            if (add)
            {
                try
                {
                    dataTable.Rows.Add(_lastAdded);
                    //OnListChanged(new ListChangedEventArgs(ListChangedType.ItemAdded, Count - 1, -1));
                    _lastAdded = null;
                    UpdateIndex();
                }
                catch (Exception)
                {
                    _lastAdded = dr;
                    throw;
                }
            }
            else
            {
                _lastAdded.CancelEdit();
                _lastAdded = null;
                UpdateIndex();
                OnListChanged(new ListChangedEventArgs(ListChangedType.ItemDeleted, Count, -1));
            }
        }
示例#2
0
 public void CancelEdit()
 {
     // FIXME:
     if (this.Row == DataView._lastAdded)
     {
         DataView.CompleteLastAdded(false);
     }
     else
     {
         _dataRow.CancelEdit();
     }
 }
示例#3
0
 /// <include file='doc\DataRowView.uex' path='docs/doc[@for="DataRowView.CancelEdit"]/*' />
 /// <devdoc>
 ///    <para>
 ///       Cancels an edit procedure.
 ///    </para>
 /// </devdoc>
 public void CancelEdit()
 {
     if (row == dataView.addNewRow)
     {
         dataView.FinishAddNew(this.index, false);
     }
     else
     {
         row.CancelEdit();
     }
     dataView.SetDelayBeginEdit(row, false);
 }
示例#4
0
        public void CancelEdit()
        {
            DataRow tmpRow = Row;

            if (IsNew)
            {
                dataView.FinishAddNew(false);
            }
            else
            {
                tmpRow.CancelEdit();
            }
            delayBeginEdit = false;
        }
        public void CancelEdit()
        {
            DataRow row = this.Row;

            if (this.IsNew)
            {
                this.dataView.FinishAddNew(false);
            }
            else
            {
                row.CancelEdit();
            }
            this.delayBeginEdit = false;
        }
示例#6
0
        private void SetDataRowWithLoadOption (DataRow dataRow, int recordNo, LoadOption loadOption, bool checkReadOnly) {
            bool hasError = false;
            if (checkReadOnly) {
                foreach(DataColumn dc in this.Columns) {
                    if (dc.ReadOnly && !dc.Computed) {
                        switch(loadOption) {
                            case LoadOption.OverwriteChanges:
                                if ((dataRow[dc, DataRowVersion.Current] != dc[recordNo]) ||(dataRow[dc, DataRowVersion.Original] != dc[recordNo]))
                                    hasError = true;
                                break;
                            case LoadOption.Upsert:
                                if (dataRow[dc, DataRowVersion.Current] != dc[recordNo])
                                    hasError = true;
                                break;
                            case LoadOption.PreserveChanges:
                                if (dataRow[dc, DataRowVersion.Original] != dc[recordNo])
                                    hasError = true;
                                break;
                        }
                    }
                }
            } // No Event should be fired  in SenNewRecord and SetOldRecord
            // fire rowChanging event here

            DataRowChangeEventArgs drcevent = null;
            DataRowAction action = DataRowAction.Nothing;
            int cacheTempRecord = dataRow.tempRecord;
            dataRow.tempRecord = recordNo;

            switch(loadOption) {
                case LoadOption.OverwriteChanges:
                    action = DataRowAction.ChangeCurrentAndOriginal;
                    break;
                case LoadOption.Upsert:
                    switch(dataRow.RowState) {
                        case DataRowState.Unchanged:
                            // let see if the incomming value has the same values as existing row, so compare records
                            foreach(DataColumn dc in dataRow.Table.Columns) {
                                if (0 != dc.Compare(dataRow.newRecord, recordNo)) {
                                    action = DataRowAction.Change;
                                    break;
                                }
                            }
                            break;
                        case DataRowState.Deleted:
                            Debug.Assert(false, "LoadOption.Upsert with deleted row, should not be here");
                            break;
                        default :
                            action = DataRowAction.Change;
                            break;
                    }
                    break;
                case LoadOption.PreserveChanges:
                    switch(dataRow.RowState) {
                        case DataRowState.Unchanged:
                            action = DataRowAction.ChangeCurrentAndOriginal;
                            break;
                        default:
                            action = DataRowAction.ChangeOriginal;
                            break;
                    }
                    break;
                default:
                    throw ExceptionBuilder.ArgumentOutOfRange("LoadOption");
            }

            try {
                drcevent = RaiseRowChanging(null, dataRow, action);
                if (action == DataRowAction.Nothing) { // RaiseRowChanging does not fire for DataRowAction.Nothing
                    dataRow.inChangingEvent = true;
                    try {
                        drcevent = OnRowChanging(drcevent, dataRow, action);
                    }
                    finally {
                        dataRow.inChangingEvent = false;
                    }
                }
            }
            finally {
                Debug.Assert(dataRow.tempRecord == recordNo, "tempRecord has been changed in event handler");
                if (DataRowState.Detached == dataRow.RowState) {
                    // 'row.Table.Remove(row);'
                    if (-1 != cacheTempRecord) {
                        FreeRecord(ref cacheTempRecord);
                    }
                }
                else {
                    if (dataRow.tempRecord != recordNo) {
                        // 'row.EndEdit(); row.BeginEdit(); '
                        if (-1 != cacheTempRecord) {
                            FreeRecord(ref cacheTempRecord);
                        }
                        if (-1 != recordNo) {
                            FreeRecord(ref recordNo);
                        }
                        recordNo = dataRow.tempRecord;
                    }
                    else {
                        dataRow.tempRecord = cacheTempRecord;
                    }
                }
            }
            if (dataRow.tempRecord != -1) {
                dataRow.CancelEdit();
            }

            switch(loadOption) {
                case LoadOption.OverwriteChanges:
                     this.SetNewRecord(dataRow,  recordNo, DataRowAction.Change, false, false);
                     this.SetOldRecord(dataRow,  recordNo);
                     break;
                case LoadOption.Upsert:
                     if (dataRow.RowState == DataRowState.Unchanged) {
                         this.SetNewRecord(dataRow,  recordNo, DataRowAction.Change, false, false);
                         if (!dataRow.HasChanges()) {
                             this.SetOldRecord(dataRow, recordNo);
                         }
                     }
                     else {
                         if (dataRow.RowState == DataRowState.Deleted)
                             dataRow.RejectChanges();
                         this.SetNewRecord(dataRow,  recordNo, DataRowAction.Change, false, false);
                     }
                     break;
                case LoadOption.PreserveChanges:
                     if (dataRow.RowState == DataRowState.Unchanged) {
                         // SQLBU 500706: DataTable internal index is corrupted: '8'
                         // if ListChanged event deletes dataRow
                         this.SetOldRecord(dataRow,  recordNo); // do not fire event
                         this.SetNewRecord(dataRow, recordNo, DataRowAction.Change, false, false);
                     }
                     else { // if modified/ added / deleted we want this operation to fire event (just for LoadOption.PreserveCurrentValues)
                        this.SetOldRecord(dataRow,  recordNo);
                     }
                     break;
                default:
                    throw ExceptionBuilder.ArgumentOutOfRange("LoadOption");
            }

            if (hasError) {
                string error = Res.GetString(Res.Load_ReadOnlyDataModified);
                if (dataRow.RowError.Length == 0) { // WebData 112272, append the row error
                    dataRow.RowError = error;
                }
                else {
                    dataRow.RowError += " ]:[ " + error ;
                }

                foreach(DataColumn dc in this.Columns) {
                    if (dc.ReadOnly && !dc.Computed)
                        dataRow.SetColumnError(dc, error);
                }
            }

            drcevent = RaiseRowChanged(drcevent, dataRow, action);
            if (action == DataRowAction.Nothing) { // RaiseRowChanged does not fire for DataRowAction.Nothing
                dataRow.inChangingEvent = true;
                try {
                    OnRowChanged(drcevent, dataRow, action);
                }
                finally {
                    dataRow.inChangingEvent = false;
                }
            }

        }
示例#7
0
 internal void RollbackRow(DataRow row) {
     row.CancelEdit();
     SetNewRecord(row, row.oldRecord, DataRowAction.Rollback, false, true);
 }
        private void SetDataRowWithLoadOption(DataRow dataRow, int recordNo, LoadOption loadOption, bool checkReadOnly)
        {
            bool flag = false;
            if (checkReadOnly)
            {
                foreach (DataColumn column in this.Columns)
                {
                    if (column.ReadOnly && !column.Computed)
                    {
                        switch (loadOption)
                        {
                            case LoadOption.OverwriteChanges:
                                goto Label_0058;

                            case LoadOption.PreserveChanges:
                                if (dataRow[column, DataRowVersion.Original] != column[recordNo])
                                {
                                    flag = true;
                                }
                                break;

                            case LoadOption.Upsert:
                                if (dataRow[column, DataRowVersion.Current] != column[recordNo])
                                {
                                    flag = true;
                                }
                                break;
                        }
                    }
                    continue;
                Label_0058:
                    if ((dataRow[column, DataRowVersion.Current] != column[recordNo]) || (dataRow[column, DataRowVersion.Original] != column[recordNo]))
                    {
                        flag = true;
                    }
                }
            }
            DataRowChangeEventArgs args = null;
            DataRowAction nothing = DataRowAction.Nothing;
            int tempRecord = dataRow.tempRecord;
            dataRow.tempRecord = recordNo;
            switch (loadOption)
            {
                case LoadOption.OverwriteChanges:
                    nothing = DataRowAction.ChangeCurrentAndOriginal;
                    break;

                case LoadOption.PreserveChanges:
                    if (dataRow.RowState != DataRowState.Unchanged)
                    {
                        nothing = DataRowAction.ChangeOriginal;
                        break;
                    }
                    nothing = DataRowAction.ChangeCurrentAndOriginal;
                    break;

                case LoadOption.Upsert:
                    switch (dataRow.RowState)
                    {
                        case DataRowState.Unchanged:
                            foreach (DataColumn column3 in dataRow.Table.Columns)
                            {
                                if (column3.Compare(dataRow.newRecord, recordNo) != 0)
                                {
                                    nothing = DataRowAction.Change;
                                    break;
                                }
                            }
                            goto Label_01A4;
                    }
                    nothing = DataRowAction.Change;
                    break;

                default:
                    throw ExceptionBuilder.ArgumentOutOfRange("LoadOption");
            }
        Label_01A4:;
            try
            {
                args = this.RaiseRowChanging(null, dataRow, nothing);
                if (nothing == DataRowAction.Nothing)
                {
                    dataRow.inChangingEvent = true;
                    try
                    {
                        args = this.OnRowChanging(args, dataRow, nothing);
                    }
                    finally
                    {
                        dataRow.inChangingEvent = false;
                    }
                }
            }
            finally
            {
                if (DataRowState.Detached == dataRow.RowState)
                {
                    if (-1 != tempRecord)
                    {
                        this.FreeRecord(ref tempRecord);
                    }
                }
                else if (dataRow.tempRecord != recordNo)
                {
                    if (-1 != tempRecord)
                    {
                        this.FreeRecord(ref tempRecord);
                    }
                    if (-1 != recordNo)
                    {
                        this.FreeRecord(ref recordNo);
                    }
                    recordNo = dataRow.tempRecord;
                }
                else
                {
                    dataRow.tempRecord = tempRecord;
                }
            }
            if (dataRow.tempRecord != -1)
            {
                dataRow.CancelEdit();
            }
            switch (loadOption)
            {
                case LoadOption.OverwriteChanges:
                    this.SetNewRecord(dataRow, recordNo, DataRowAction.Change, false, false, false);
                    this.SetOldRecord(dataRow, recordNo);
                    break;

                case LoadOption.PreserveChanges:
                    if (dataRow.RowState != DataRowState.Unchanged)
                    {
                        this.SetOldRecord(dataRow, recordNo);
                        break;
                    }
                    this.SetOldRecord(dataRow, recordNo);
                    this.SetNewRecord(dataRow, recordNo, DataRowAction.Change, false, false, false);
                    break;

                case LoadOption.Upsert:
                    if (dataRow.RowState != DataRowState.Unchanged)
                    {
                        if (dataRow.RowState == DataRowState.Deleted)
                        {
                            dataRow.RejectChanges();
                        }
                        this.SetNewRecord(dataRow, recordNo, DataRowAction.Change, false, false, false);
                        break;
                    }
                    this.SetNewRecord(dataRow, recordNo, DataRowAction.Change, false, false, false);
                    if (!dataRow.HasChanges())
                    {
                        this.SetOldRecord(dataRow, recordNo);
                    }
                    break;

                default:
                    throw ExceptionBuilder.ArgumentOutOfRange("LoadOption");
            }
            if (flag)
            {
                string error = System.Data.Res.GetString("Load_ReadOnlyDataModified");
                if (dataRow.RowError.Length == 0)
                {
                    dataRow.RowError = error;
                }
                else
                {
                    dataRow.RowError = dataRow.RowError + " ]:[ " + error;
                }
                foreach (DataColumn column2 in this.Columns)
                {
                    if (column2.ReadOnly && !column2.Computed)
                    {
                        dataRow.SetColumnError(column2, error);
                    }
                }
            }
            args = this.RaiseRowChanged(args, dataRow, nothing);
            if (nothing == DataRowAction.Nothing)
            {
                dataRow.inChangingEvent = true;
                try
                {
                    this.OnRowChanged(args, dataRow, nothing);
                }
                finally
                {
                    dataRow.inChangingEvent = false;
                }
            }
        }
示例#9
0
        /// <summary>
        /// todoComment
        /// </summary>
        /// <param name="AChangingPartnerTypeRow"></param>
        /// <param name="AIsRemoval"></param>
        /// <returns></returns>
        public Boolean PerformPartnerTypeAddOrRemoval(DataRow AChangingPartnerTypeRow, out Boolean AIsRemoval)
        {
            const String TYPECODE_COSTCENTRE = "COSTCENTRE";

            Boolean ReturnValue = false;

            AIsRemoval = false;
            String TypeCode;
            DataRow ExistingMatchingDataRow;
            PPartnerTypeTable PartnerTypeTable;
            PPartnerTypeRow TheNewRow;
            PTypeRow CheckTypeRow;
            DataRowView[] CheckTypeRows;
            DialogResult CheckTypeRowsAnswer;
            TRecalculateScreenPartsEventArgs RecalculateScreenPartsEventArgs;
            String CostCentreLink;

            PartnerTypeTable = FMainDS.PPartnerType;

            try
            {
                TypeCode = AChangingPartnerTypeRow["TypeCode"].ToString();

                ExistingMatchingDataRow = PartnerTypeTable.Rows.Find(new Object[] { ((PPartnerRow)FMainDS.PPartner.Rows[0]).PartnerKey, TypeCode });

                if (ExistingMatchingDataRow == null)
                {
                    /*
                     * Add Special Type
                     */

                    // Check security permission
                    if (!UserInfo.GUserInfo.IsTableAccessOK(TTableAccessPermission.tapCREATE, PPartnerTypeTable.GetTableDBName()))
                    {
                        TMessages.MsgSecurityException(new ESecurityDBTableAccessDeniedException("", "create",
                                PPartnerTypeTable.GetTableDBName()), this.GetType());

                        AChangingPartnerTypeRow.CancelEdit();   // reset to unchecked
                        return false;
                    }

                    // Check: is this Partner Type assignable?

//                  MessageBox.Show("Perform check: is PartnerType assignable?  TypeCode: " + TypeCode);
                    CheckTypeRows = FDataCache_PartnerTypeListDV.FindRows(TypeCode);

                    if (CheckTypeRows.Length > 0)
                    {
                        CheckTypeRow = (PTypeRow)CheckTypeRows[0].Row;

                        if (!CheckTypeRow.ValidType)
                        {
                            /*CheckTypeRowsAnswer = TMessages.MsgQuestion(
                             *  ErrorCodes.GetErrorInfo(PetraErrorCodes.ERR_VALUEUNASSIGNABLE, TypeCode),
                             *  this.GetType(), false);*/

                            CheckTypeRowsAnswer = MessageBox.Show(
                                string.Format(StrTheCodeIsNoLongerActive, TypeCode),
                                Catalog.GetString("Invalid Data Entered"),
                                MessageBoxButtons.YesNo,
                                MessageBoxIcon.Question,
                                MessageBoxDefaultButton.Button2);

                            if (CheckTypeRowsAnswer == DialogResult.No)
                            {
                                // reset to unchecked
                                AChangingPartnerTypeRow.CancelEdit();
                                return false;
                            }
                        }
                    }

                    // add new row to PartnerType table
                    PartnerTypeTable = FMainDS.PPartnerType;
                    TheNewRow = PartnerTypeTable.NewRowTyped();
                    TheNewRow.PartnerKey = FMainDS.PPartner[0].PartnerKey;
                    TheNewRow.TypeCode = TypeCode;
                    TheNewRow.CreatedBy = UserInfo.GUserInfo.UserID;
                    TheNewRow.DateCreated = DateTime.Now.Date;
                    PartnerTypeTable.Rows.Add(TheNewRow);

                    // Fire OnRecalculateScreenParts event
                    RecalculateScreenPartsEventArgs = new TRecalculateScreenPartsEventArgs();
                    RecalculateScreenPartsEventArgs.ScreenPart = TScreenPartEnum.spCounters;
                    OnRecalculateScreenParts(RecalculateScreenPartsEventArgs);

                    ReturnValue = true;
                    AIsRemoval = false;
                }
                else
                {
                    /*
                     * Remove Special Type
                     */

                    // Check security permission
                    if (!UserInfo.GUserInfo.IsTableAccessOK(TTableAccessPermission.tapDELETE, PPartnerTypeTable.GetTableDBName()))
                    {
                        TMessages.MsgSecurityException(new ESecurityDBTableAccessDeniedException("", "delete",
                                PPartnerTypeTable.GetTableDBName()), this.GetType());

                        // reset to checked
                        AChangingPartnerTypeRow.CancelEdit();
                        return false;
                    }

                    // perform check: If COSTCENTRE is to be removed then check whether Partner has a link to costcentre set up
                    if (TypeCode == TYPECODE_COSTCENTRE)
                    {
                        try
                        {
                            if (FPartnerEditUIConnector.HasPartnerCostCentreLink(out CostCentreLink))
                            {
                                MessageBox.Show(String.Format(StrPartnerHasCostCentreLink, CostCentreLink,
                                        StrPartnerHasCostCentreLinkTitle));

                                // reset to checked
                                AChangingPartnerTypeRow.CancelEdit();
                                return false;
                            }
                        }
                        catch (ESecurityAccessDeniedException Exp)
                        {
                            TMessages.MsgSecurityException(Exp, this.GetType());
                            MessageBox.Show(StrSecurityPreventsRemoval, StrSecurityPreventsRemovalTitle, MessageBoxButtons.OK, MessageBoxIcon.Warning);

                            // reset to checked
                            AChangingPartnerTypeRow.CancelEdit();
                            return false;
                        }
                        catch (Exception)
                        {
                            throw;
                        }
                    }

                    // Delete row from PartnerType table
                    ExistingMatchingDataRow.Delete();

                    // Fire OnRecalculateScreenParts event
                    RecalculateScreenPartsEventArgs = new TRecalculateScreenPartsEventArgs();
                    RecalculateScreenPartsEventArgs.ScreenPart = TScreenPartEnum.spCounters;
                    OnRecalculateScreenParts(RecalculateScreenPartsEventArgs);

                    ReturnValue = true;
                    AIsRemoval = true;
                }

                /*
                 * Check if this change could be applied to Family Members
                 */
// TODO PartnerTypeFamilyMembersPropagationSelectionWinForm Dialog still missing
#if TODO
                if (SharedTypes.PartnerClassStringToEnum(FMainDS.PPartner[0].PartnerClass) == TPartnerClass.FAMILY)
                {
                    if (HasFamilyFamilyMembers())
                    {
                        if (FDelegatePartnerTypePropagationSelection != null)
                        {
                            if (!AIsRemoval)
                            {
                                FMainDS.Merge(FDelegatePartnerTypePropagationSelection(TypeCode, "ADD"));
                            }
                            else
                            {
                                FMainDS.Merge(FDelegatePartnerTypePropagationSelection(TypeCode, "DELETE"));
                            }
                        }
                    }
                }
#endif
            }
            catch (Exception E)
            {
                MessageBox.Show(E.ToString());
                ReturnValue = false;
            }

            return ReturnValue;
        }