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 / RelatedView.cs / 1 / RelatedView.cs
//------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //[....] //[....] //----------------------------------------------------------------------------- namespace System.Data { using System; using System.Diagnostics; internal sealed class RelatedView : DataView, IFilter { private readonly DataKey key; private object[] values; public RelatedView(DataColumn[] columns, object[] values) : base(columns[0].Table, false) { if (values == null) { throw ExceptionBuilder.ArgumentNull("values"); } this.key = new DataKey(columns, true); this.values = values; Debug.Assert (this.Table == key.Table, "Key.Table Must be equal to Current Table"); base.ResetRowViewCache(); } public bool Invoke(DataRow row, DataRowVersion version) { object[] keyValues = row.GetKeyValues(key, version); #if false for (int i = 0; i < keyValues.Length; i++) { Debug.WriteLine("keyvalues[" + (i).ToString() + "] = " + Convert.ToString(keyValues[i])); } for (int i = 0; i < values.Length; i++) { Debug.WriteLine("values[" + (i).ToString() + "] = " + Convert.ToString(values[i])); } #endif bool allow = true; if (keyValues.Length != values.Length) { allow = false; } else { for (int i = 0; i < keyValues.Length; i++) { if (!keyValues[i].Equals(values[i])) { allow = false; break; } } } IFilter baseFilter = base.GetFilter(); if (baseFilter != null) allow &= baseFilter.Invoke(row, version); return allow; } internal override IFilter GetFilter() { return this; } // move to OnModeChanged public override DataRowView AddNew() { DataRowView addNewRowView = base.AddNew(); addNewRowView.Row.SetKeyValues(key, values); return addNewRowView; } internal override void SetIndex(string newSort, DataViewRowState newRowStates, IFilter newRowFilter) { SetIndex2(newSort, newRowStates, newRowFilter, false); Reset(); } public override bool Equals( DataView dv) { if (dv is RelatedView == false) return false; if (!base.Equals(dv)) return false; return (CompareArray(this.key.ColumnsReference, ((RelatedView)dv).key.ColumnsReference) ||CompareArray(this.values, ((RelatedView)dv).values)); } private bool CompareArray(object[] value1, object[] value2) { if (value1.Length != value2.Length) return false; for(int i = 0; i < value1.Length; i++) { if (value1[i] != value2[i]) return false; } return true; } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. //------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //[....] //[....] //----------------------------------------------------------------------------- namespace System.Data { using System; using System.Diagnostics; internal sealed class RelatedView : DataView, IFilter { private readonly DataKey key; private object[] values; public RelatedView(DataColumn[] columns, object[] values) : base(columns[0].Table, false) { if (values == null) { throw ExceptionBuilder.ArgumentNull("values"); } this.key = new DataKey(columns, true); this.values = values; Debug.Assert (this.Table == key.Table, "Key.Table Must be equal to Current Table"); base.ResetRowViewCache(); } public bool Invoke(DataRow row, DataRowVersion version) { object[] keyValues = row.GetKeyValues(key, version); #if false for (int i = 0; i < keyValues.Length; i++) { Debug.WriteLine("keyvalues[" + (i).ToString() + "] = " + Convert.ToString(keyValues[i])); } for (int i = 0; i < values.Length; i++) { Debug.WriteLine("values[" + (i).ToString() + "] = " + Convert.ToString(values[i])); } #endif bool allow = true; if (keyValues.Length != values.Length) { allow = false; } else { for (int i = 0; i < keyValues.Length; i++) { if (!keyValues[i].Equals(values[i])) { allow = false; break; } } } IFilter baseFilter = base.GetFilter(); if (baseFilter != null) allow &= baseFilter.Invoke(row, version); return allow; } internal override IFilter GetFilter() { return this; } // move to OnModeChanged public override DataRowView AddNew() { DataRowView addNewRowView = base.AddNew(); addNewRowView.Row.SetKeyValues(key, values); return addNewRowView; } internal override void SetIndex(string newSort, DataViewRowState newRowStates, IFilter newRowFilter) { SetIndex2(newSort, newRowStates, newRowFilter, false); Reset(); } public override bool Equals( DataView dv) { if (dv is RelatedView == false) return false; if (!base.Equals(dv)) return false; return (CompareArray(this.key.ColumnsReference, ((RelatedView)dv).key.ColumnsReference) ||CompareArray(this.values, ((RelatedView)dv).values)); } private bool CompareArray(object[] value1, object[] value2) { if (value1.Length != value2.Length) return false; for(int i = 0; i < value1.Length; i++) { if (value1[i] != value2[i]) return false; } return true; } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007.
Link Menu
This book is available now!
Buy at Amazon US or
Buy at Amazon UK
- PDBReader.cs
- Assembly.cs
- TypeCodeDomSerializer.cs
- InheritanceService.cs
- BinaryObjectInfo.cs
- Wizard.cs
- SqlRowUpdatedEvent.cs
- XmlDataContract.cs
- PreloadHost.cs
- QuaternionValueSerializer.cs
- WebBrowserPermission.cs
- Transform3DGroup.cs
- DiscoveryClientOutputChannel.cs
- ClonableStack.cs
- Subtract.cs
- VersionConverter.cs
- LoginCancelEventArgs.cs
- EventLogInformation.cs
- PackageDigitalSignatureManager.cs
- DateTimeSerializationSection.cs
- KeyValuePair.cs
- CompensationTokenData.cs
- ContainerControl.cs
- WebPartHelpVerb.cs
- LayoutUtils.cs
- ImportContext.cs
- EntityWrapper.cs
- SafeHandles.cs
- FreezableCollection.cs
- TextEffectResolver.cs
- RuntimeEnvironment.cs
- EnumType.cs
- Attribute.cs
- FindCriteria11.cs
- PluggableProtocol.cs
- InfoCardMetadataExchangeClient.cs
- Point3DCollection.cs
- CapabilitiesSection.cs
- SymbolType.cs
- GeometryValueSerializer.cs
- FormsAuthenticationUserCollection.cs
- TextBoxBase.cs
- TreeNode.cs
- Vector3DCollectionConverter.cs
- AutomationElementCollection.cs
- HtmlElementEventArgs.cs
- ActivityValidator.cs
- IndependentAnimationStorage.cs
- BulletChrome.cs
- InkSerializer.cs
- WindowsPrincipal.cs
- GPPOINTF.cs
- DataError.cs
- AnnotationHelper.cs
- BulletedList.cs
- WebPartDisplayModeCancelEventArgs.cs
- UpdatePanelControlTrigger.cs
- SchemaTableColumn.cs
- XmlSchemaSequence.cs
- BoundConstants.cs
- Stackframe.cs
- Int32AnimationBase.cs
- coordinatorscratchpad.cs
- Int32AnimationUsingKeyFrames.cs
- IconHelper.cs
- SqlProvider.cs
- PropertyRecord.cs
- UrlMappingsModule.cs
- Emitter.cs
- SynchronizedInputPattern.cs
- Exception.cs
- XmlStreamNodeWriter.cs
- VoiceInfo.cs
- StyleConverter.cs
- HTMLTagNameToTypeMapper.cs
- PasswordRecovery.cs
- SqlStatistics.cs
- SchemaImporterExtension.cs
- AutomationPeer.cs
- Section.cs
- SqlUDTStorage.cs
- TextParentUndoUnit.cs
- ExpressionLink.cs
- DefaultEventAttribute.cs
- ToolStripSeparatorRenderEventArgs.cs
- Int16AnimationUsingKeyFrames.cs
- Utilities.cs
- QilStrConcatenator.cs
- InvokeProviderWrapper.cs
- TableColumn.cs
- X509Chain.cs
- DBConcurrencyException.cs
- ToolStripRendererSwitcher.cs
- TemplateKey.cs
- MetabaseServerConfig.cs
- HttpBufferlessInputStream.cs
- MaskInputRejectedEventArgs.cs
- PerformanceCounterCategory.cs
- DataGridViewRowDividerDoubleClickEventArgs.cs
- JournalEntryStack.cs