Code:
/ Dotnetfx_Win7_3.5.1 / Dotnetfx_Win7_3.5.1 / 3.5.1 / DEVDIV / depot / DevDiv / releases / whidbey / NetFXspW7 / ndp / fx / src / Data / System / Data / DataRowCollection.cs / 1 / DataRowCollection.cs
//------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //[....] //[....] //[....] //----------------------------------------------------------------------------- namespace System.Data { using System; using System.Collections; using System.ComponentModel; using System.Diagnostics; #if WINFSInternalOnly internal #else public #endif sealed class DataRowCollection : InternalDataCollectionBase { private sealed class DataRowTree : RBTree{ internal DataRowTree() : base(TreeAccessMethod.INDEX_ONLY) { } protected override int CompareNode (DataRow record1, DataRow record2) { throw ExceptionBuilder.InternalRBTreeError(RBTreeError.CompareNodeInDataRowTree); } protected override int CompareSateliteTreeNode (DataRow record1, DataRow record2) { throw ExceptionBuilder.InternalRBTreeError(RBTreeError.CompareSateliteTreeNodeInDataRowTree); } } private readonly DataTable table; private readonly DataRowTree list = new DataRowTree(); internal int nullInList = 0; /// /// Creates the DataRowCollection for the given table. /// internal DataRowCollection(DataTable table) { this.table = table; } public override int Count { get { return list.Count; } } ////// public DataRow this[int index] { get { return list[index]; } } ///Gets the row at the specified index. ////// public void Add(DataRow row) { table.AddRow(row, -1); } public void InsertAt(DataRow row, int pos) { if (pos < 0) throw ExceptionBuilder.RowInsertOutOfRange(pos); if (pos >= list.Count) table.AddRow(row, -1); else table.InsertRow(row, -1, pos); } internal void DiffInsertAt(DataRow row, int pos) { if ((pos < 0) || (pos == list.Count)) { table.AddRow(row, pos >-1? pos+1 : -1); return; } if (table.NestedParentRelations.Length > 0) { // get in this trouble only if table has a nested parent // get into trouble if table has JUST a nested parent? how about multi parent! if (pos < list.Count) { if (list[pos] != null) { throw ExceptionBuilder.RowInsertTwice(pos, table.TableName); } list.RemoveAt(pos); nullInList--; table.InsertRow(row, pos+1, pos); } else { while (pos>list.Count) { list.Add(null); nullInList++; } table.AddRow(row, pos+1); } } else { table.InsertRow(row, pos+1, pos > list.Count ? -1 : pos); } } public Int32 IndexOf(DataRow row) { if ((null == row) || (row.Table != this.table) || ((0 == row.RBTreeNodeId) && (row.RowState == DataRowState.Detached))) //Webdata 102857 return -1; return list.IndexOf(row.RBTreeNodeId, row); } ///Adds the specified ///to the object. /// internal DataRow AddWithColumnEvents(params object[] values) { DataRow row = table.NewRow(-1); row.ItemArray = values; table.AddRow(row, -1); return row; } public DataRow Add(params object[] values) { int record = table.NewRecordFromArray(values); DataRow row = table.NewRow(record); table.AddRow(row, -1); return row; } internal void ArrayAdd(DataRow row) { row.RBTreeNodeId = list.Add(row); } internal void ArrayInsert(DataRow row, int pos) { row.RBTreeNodeId = list.Insert(pos, row); } internal void ArrayClear() { list.Clear(); } internal void ArrayRemove(DataRow row) { if (row.RBTreeNodeId == 0) { throw ExceptionBuilder.InternalRBTreeError(RBTreeError.AttachedNodeWithZerorbTreeNodeId); } list.RBDelete(row.RBTreeNodeId); row.RBTreeNodeId = 0; } ///Creates a row using specified values and adds it to the /// ///. /// public DataRow Find(object key) { return table.FindByPrimaryKey(key); } ///Gets /// the row specified by the primary key value. /// ////// public DataRow Find(object[] keys) { return table.FindByPrimaryKey(keys); } ///Gets the row containing the specified primary key values. ////// public void Clear() { table.Clear(false); } ///Clears the collection of all rows. ////// public bool Contains(object key) { return(table.FindByPrimaryKey(key) != null); } ////// Gets a value indicating whether the primary key of any row in the /// collection contains the specified value. /// ////// public bool Contains(object[] keys) { return(table.FindByPrimaryKey(keys) != null); } public override void CopyTo(Array ar, int index) { list.CopyTo(ar, index); } public void CopyTo(DataRow[] array, int index) { list.CopyTo(array, index); } public override IEnumerator GetEnumerator() { return list.GetEnumerator(); } ////// Gets a value indicating if the ///with /// the specified primary key values exists. /// /// public void Remove(DataRow row) { if ((null == row) || (row.Table != table) || (-1 == row.rowID)) { throw ExceptionBuilder.RowOutOfRange(); } if ((row.RowState != DataRowState.Deleted) && (row.RowState != DataRowState.Detached)) row.Delete(); if (row.RowState != DataRowState.Detached) row.AcceptChanges(); } ///Removes the specified ///from the collection. /// public void RemoveAt(int index) { Remove(this[index]); } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. //------------------------------------------------------------------------------ ///// Removes the row with the specified index from /// the collection. /// ///// Copyright (c) Microsoft Corporation. All rights reserved. // //[....] //[....] //[....] //----------------------------------------------------------------------------- namespace System.Data { using System; using System.Collections; using System.ComponentModel; using System.Diagnostics; #if WINFSInternalOnly internal #else public #endif sealed class DataRowCollection : InternalDataCollectionBase { private sealed class DataRowTree : RBTree{ internal DataRowTree() : base(TreeAccessMethod.INDEX_ONLY) { } protected override int CompareNode (DataRow record1, DataRow record2) { throw ExceptionBuilder.InternalRBTreeError(RBTreeError.CompareNodeInDataRowTree); } protected override int CompareSateliteTreeNode (DataRow record1, DataRow record2) { throw ExceptionBuilder.InternalRBTreeError(RBTreeError.CompareSateliteTreeNodeInDataRowTree); } } private readonly DataTable table; private readonly DataRowTree list = new DataRowTree(); internal int nullInList = 0; /// /// Creates the DataRowCollection for the given table. /// internal DataRowCollection(DataTable table) { this.table = table; } public override int Count { get { return list.Count; } } ////// public DataRow this[int index] { get { return list[index]; } } ///Gets the row at the specified index. ////// public void Add(DataRow row) { table.AddRow(row, -1); } public void InsertAt(DataRow row, int pos) { if (pos < 0) throw ExceptionBuilder.RowInsertOutOfRange(pos); if (pos >= list.Count) table.AddRow(row, -1); else table.InsertRow(row, -1, pos); } internal void DiffInsertAt(DataRow row, int pos) { if ((pos < 0) || (pos == list.Count)) { table.AddRow(row, pos >-1? pos+1 : -1); return; } if (table.NestedParentRelations.Length > 0) { // get in this trouble only if table has a nested parent // get into trouble if table has JUST a nested parent? how about multi parent! if (pos < list.Count) { if (list[pos] != null) { throw ExceptionBuilder.RowInsertTwice(pos, table.TableName); } list.RemoveAt(pos); nullInList--; table.InsertRow(row, pos+1, pos); } else { while (pos>list.Count) { list.Add(null); nullInList++; } table.AddRow(row, pos+1); } } else { table.InsertRow(row, pos+1, pos > list.Count ? -1 : pos); } } public Int32 IndexOf(DataRow row) { if ((null == row) || (row.Table != this.table) || ((0 == row.RBTreeNodeId) && (row.RowState == DataRowState.Detached))) //Webdata 102857 return -1; return list.IndexOf(row.RBTreeNodeId, row); } ///Adds the specified ///to the object. /// internal DataRow AddWithColumnEvents(params object[] values) { DataRow row = table.NewRow(-1); row.ItemArray = values; table.AddRow(row, -1); return row; } public DataRow Add(params object[] values) { int record = table.NewRecordFromArray(values); DataRow row = table.NewRow(record); table.AddRow(row, -1); return row; } internal void ArrayAdd(DataRow row) { row.RBTreeNodeId = list.Add(row); } internal void ArrayInsert(DataRow row, int pos) { row.RBTreeNodeId = list.Insert(pos, row); } internal void ArrayClear() { list.Clear(); } internal void ArrayRemove(DataRow row) { if (row.RBTreeNodeId == 0) { throw ExceptionBuilder.InternalRBTreeError(RBTreeError.AttachedNodeWithZerorbTreeNodeId); } list.RBDelete(row.RBTreeNodeId); row.RBTreeNodeId = 0; } ///Creates a row using specified values and adds it to the /// ///. /// public DataRow Find(object key) { return table.FindByPrimaryKey(key); } ///Gets /// the row specified by the primary key value. /// ////// public DataRow Find(object[] keys) { return table.FindByPrimaryKey(keys); } ///Gets the row containing the specified primary key values. ////// public void Clear() { table.Clear(false); } ///Clears the collection of all rows. ////// public bool Contains(object key) { return(table.FindByPrimaryKey(key) != null); } ////// Gets a value indicating whether the primary key of any row in the /// collection contains the specified value. /// ////// public bool Contains(object[] keys) { return(table.FindByPrimaryKey(keys) != null); } public override void CopyTo(Array ar, int index) { list.CopyTo(ar, index); } public void CopyTo(DataRow[] array, int index) { list.CopyTo(array, index); } public override IEnumerator GetEnumerator() { return list.GetEnumerator(); } ////// Gets a value indicating if the ///with /// the specified primary key values exists. /// /// public void Remove(DataRow row) { if ((null == row) || (row.Table != table) || (-1 == row.rowID)) { throw ExceptionBuilder.RowOutOfRange(); } if ((row.RowState != DataRowState.Deleted) && (row.RowState != DataRowState.Detached)) row.Delete(); if (row.RowState != DataRowState.Detached) row.AcceptChanges(); } ///Removes the specified ///from the collection. /// public void RemoveAt(int index) { Remove(this[index]); } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007./// Removes the row with the specified index from /// the collection. /// ///
Link Menu
This book is available now!
Buy at Amazon US or
Buy at Amazon UK
- KeyboardInputProviderAcquireFocusEventArgs.cs
- AnonymousIdentificationModule.cs
- TraceProvider.cs
- JsonEncodingStreamWrapper.cs
- HtmlSelect.cs
- DateTimeOffsetStorage.cs
- SqlBooleanMismatchVisitor.cs
- VersionPair.cs
- AspCompat.cs
- CompressedStack.cs
- MailWriter.cs
- SafeNativeMethods.cs
- returneventsaver.cs
- SuppressIldasmAttribute.cs
- CompositeActivityCodeGenerator.cs
- MasterPage.cs
- XmlAttributeAttribute.cs
- CqlGenerator.cs
- AssemblyEvidenceFactory.cs
- MasterPageBuildProvider.cs
- WebPartsSection.cs
- JournalEntry.cs
- AlternationConverter.cs
- SchemaInfo.cs
- ThicknessAnimation.cs
- NamedObject.cs
- TargetControlTypeCache.cs
- ProcessHostServerConfig.cs
- BindingsCollection.cs
- ToolBarButton.cs
- ArrangedElement.cs
- Part.cs
- ClientProtocol.cs
- OdbcConnection.cs
- ProfileInfo.cs
- BufferedGraphicsManager.cs
- BulletDecorator.cs
- AuthorizationRule.cs
- SkinBuilder.cs
- DataService.cs
- CompressionTransform.cs
- Style.cs
- filewebresponse.cs
- RequestSecurityTokenResponse.cs
- ContentValidator.cs
- SqlUserDefinedAggregateAttribute.cs
- DelegateArgumentValue.cs
- OleDbRowUpdatingEvent.cs
- ShapeTypeface.cs
- MobileControlsSectionHandler.cs
- XPathArrayIterator.cs
- DependencyObject.cs
- WriteableBitmap.cs
- ParameterCollectionEditor.cs
- SqlClientMetaDataCollectionNames.cs
- filewebrequest.cs
- BufferAllocator.cs
- DictionaryKeyPropertyAttribute.cs
- ParameterModifier.cs
- Native.cs
- Control.cs
- EventMappingSettingsCollection.cs
- HashCryptoHandle.cs
- StringToken.cs
- FilteredAttributeCollection.cs
- StringAttributeCollection.cs
- EventSourceCreationData.cs
- CompositeTypefaceMetrics.cs
- Utils.cs
- DataGridViewCellCancelEventArgs.cs
- SmtpNtlmAuthenticationModule.cs
- TextBox.cs
- PagesSection.cs
- SmtpNetworkElement.cs
- TextRangeProviderWrapper.cs
- Header.cs
- LoginNameDesigner.cs
- SpecularMaterial.cs
- ObjectTokenCategory.cs
- FillRuleValidation.cs
- SchemaImporterExtension.cs
- StaticExtension.cs
- VolatileEnlistmentMultiplexing.cs
- DuplexChannel.cs
- CommandID.cs
- HttpResponseHeader.cs
- querybuilder.cs
- ArraySubsetEnumerator.cs
- UnsafeNativeMethods.cs
- DecimalAnimationUsingKeyFrames.cs
- WmlLinkAdapter.cs
- _SslState.cs
- DynamicValidator.cs
- ServicesUtilities.cs
- SimpleRecyclingCache.cs
- UIElementAutomationPeer.cs
- ClientSideQueueItem.cs
- EntityCommand.cs
- AutomationTextAttribute.cs
- SyncMethodInvoker.cs