Code:
/ 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / fx / src / Data / System / Data / RelatedView.cs / 1305376 / 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.
Link Menu
This book is available now!
Buy at Amazon US or
Buy at Amazon UK
- CaseStatementSlot.cs
- X509Extension.cs
- ValidateNames.cs
- StyleXamlTreeBuilder.cs
- CultureData.cs
- AvtEvent.cs
- MgmtConfigurationRecord.cs
- HtmlInputPassword.cs
- RemotingSurrogateSelector.cs
- RawStylusInputReport.cs
- InheritanceContextChangedEventManager.cs
- sqlser.cs
- GenericAuthenticationEventArgs.cs
- ServiceNameCollection.cs
- DataSet.cs
- hresults.cs
- BitmapEffectDrawingContextWalker.cs
- ProfessionalColorTable.cs
- RuntimeHelpers.cs
- StringUtil.cs
- EnumValidator.cs
- XmlAutoDetectWriter.cs
- Metadata.cs
- NullableDecimalMinMaxAggregationOperator.cs
- SystemIPGlobalStatistics.cs
- MdImport.cs
- DataObjectMethodAttribute.cs
- ScriptModule.cs
- ScaleTransform.cs
- PackagingUtilities.cs
- XmlSchemaInfo.cs
- ExpressionBinding.cs
- VisualTreeHelper.cs
- KeyboardEventArgs.cs
- VisualBrush.cs
- BitmapEffectGroup.cs
- SmtpNetworkElement.cs
- CustomLineCap.cs
- StandardOleMarshalObject.cs
- CreateRefExpr.cs
- peersecuritysettings.cs
- DataGridViewRowsRemovedEventArgs.cs
- Vector3DCollection.cs
- CompilerCollection.cs
- SectionXmlInfo.cs
- IPipelineRuntime.cs
- EdmSchemaAttribute.cs
- TablePatternIdentifiers.cs
- XamlTreeBuilderBamlRecordWriter.cs
- LineProperties.cs
- NativeMethods.cs
- StateBag.cs
- InteropAutomationProvider.cs
- GridViewItemAutomationPeer.cs
- CqlParserHelpers.cs
- DesignerVerbCollection.cs
- SoapConverter.cs
- OleDbDataAdapter.cs
- Size.cs
- SoapExtensionStream.cs
- InkCanvasFeedbackAdorner.cs
- AbstractDataSvcMapFileLoader.cs
- XmlSchemaSimpleTypeUnion.cs
- WindowsTab.cs
- TextBlock.cs
- SchemaImporter.cs
- Parser.cs
- BindingManagerDataErrorEventArgs.cs
- HybridCollection.cs
- ProcessModule.cs
- ReflectionPermission.cs
- CFStream.cs
- _ConnectOverlappedAsyncResult.cs
- FilterableData.cs
- RelatedCurrencyManager.cs
- DebugView.cs
- NotifyCollectionChangedEventArgs.cs
- MailHeaderInfo.cs
- TextFragmentEngine.cs
- TransformPattern.cs
- TaiwanLunisolarCalendar.cs
- SurrogateEncoder.cs
- EventListener.cs
- PerfProviderCollection.cs
- SqlDataSourceStatusEventArgs.cs
- Int16Converter.cs
- HttpConfigurationContext.cs
- HtmlDocument.cs
- CommandDevice.cs
- TraceContextRecord.cs
- HttpCachePolicyElement.cs
- SqlDataSourceCache.cs
- UInt32.cs
- OdbcException.cs
- RuntimeConfig.cs
- CallbackValidatorAttribute.cs
- Visual.cs
- MediaCommands.cs
- XmlUtf8RawTextWriter.cs
- CryptoApi.cs