Code:
/ Net / Net / 3.5.50727.3053 / DEVDIV / depot / DevDiv / releases / whidbey / netfxsp / 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
- OleDbParameter.cs
- BinaryFormatter.cs
- XpsViewerException.cs
- Typography.cs
- TextTreeTextNode.cs
- Int32Rect.cs
- FragmentQueryProcessor.cs
- SmiEventSink.cs
- SymbolEqualComparer.cs
- SpotLight.cs
- SelectedGridItemChangedEvent.cs
- XmlEncoding.cs
- _Win32.cs
- ReflectionUtil.cs
- TableCell.cs
- DefinitionBase.cs
- DockProviderWrapper.cs
- SchemaCollectionCompiler.cs
- EventData.cs
- TableRowGroup.cs
- SymLanguageType.cs
- SqlFunctionAttribute.cs
- GridLengthConverter.cs
- ElementsClipboardData.cs
- ChildTable.cs
- DoubleStorage.cs
- WebProxyScriptElement.cs
- Code.cs
- SiteMapHierarchicalDataSourceView.cs
- MenuItem.cs
- Italic.cs
- ThreadPool.cs
- UriTemplateQueryValue.cs
- ScriptComponentDescriptor.cs
- RecognizedPhrase.cs
- _SSPISessionCache.cs
- ListViewGroup.cs
- ArrayList.cs
- ListViewItem.cs
- JapaneseLunisolarCalendar.cs
- DynamicPropertyHolder.cs
- SubpageParaClient.cs
- MailSettingsSection.cs
- XmlSchemaObjectCollection.cs
- GetPageCompletedEventArgs.cs
- DataGridViewCell.cs
- TabItem.cs
- RadialGradientBrush.cs
- FixedNode.cs
- BoundColumn.cs
- AspCompat.cs
- ExceptionUtil.cs
- DataBinder.cs
- PtsHelper.cs
- EnumType.cs
- XPathScanner.cs
- StandardCommands.cs
- NonDualMessageSecurityOverHttpElement.cs
- SqlLiftIndependentRowExpressions.cs
- FormsAuthenticationTicket.cs
- HelpEvent.cs
- EmptyControlCollection.cs
- Root.cs
- SerializationObjectManager.cs
- AccessControlList.cs
- MachineKeyConverter.cs
- XmlAtomicValue.cs
- StorageMappingItemCollection.cs
- OleDbConnectionPoolGroupProviderInfo.cs
- CompatibleIComparer.cs
- CodeAttributeArgument.cs
- QueryStatement.cs
- ClientConfigurationHost.cs
- ControlPropertyNameConverter.cs
- FileDetails.cs
- mda.cs
- IdentitySection.cs
- EdmToObjectNamespaceMap.cs
- ValidateNames.cs
- X509Certificate.cs
- OleDbConnection.cs
- StateMachineExecutionState.cs
- XmlValidatingReader.cs
- SignedXml.cs
- AppDomainFactory.cs
- FragmentQueryKB.cs
- IntSecurity.cs
- ColumnMapVisitor.cs
- NetworkInformationException.cs
- SvcMapFile.cs
- ScriptReferenceEventArgs.cs
- RegexStringValidatorAttribute.cs
- EditorPartCollection.cs
- StaticSiteMapProvider.cs
- NullableConverter.cs
- PropertyTabAttribute.cs
- ButtonChrome.cs
- XmlSchemaSimpleTypeRestriction.cs
- TraceHandler.cs
- ProcessingInstructionAction.cs