Code:
/ 4.0 / 4.0 / 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. //------------------------------------------------------------------------------ //// 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
- XmlCharCheckingWriter.cs
- SqlGatherProducedAliases.cs
- BasePattern.cs
- ToolStripItem.cs
- ButtonChrome.cs
- NetTcpSecurity.cs
- SourceItem.cs
- GorillaCodec.cs
- TemplatePartAttribute.cs
- TableRowGroup.cs
- RawMouseInputReport.cs
- ReflectionServiceProvider.cs
- HierarchicalDataTemplate.cs
- VirtualPathProvider.cs
- SqlBulkCopyColumnMapping.cs
- ClientSideQueueItem.cs
- DnsEndpointIdentity.cs
- Property.cs
- CompilerHelpers.cs
- DesignerValidationSummaryAdapter.cs
- AttachmentService.cs
- DependencyPropertyChangedEventArgs.cs
- KeyFrames.cs
- SplineQuaternionKeyFrame.cs
- codemethodreferenceexpression.cs
- CellConstantDomain.cs
- EpmSyndicationContentSerializer.cs
- ResourceKey.cs
- BypassElement.cs
- CaretElement.cs
- SourceFilter.cs
- CommandDevice.cs
- UserNamePasswordValidator.cs
- WebServiceErrorEvent.cs
- FieldToken.cs
- DllNotFoundException.cs
- XmlSchemaChoice.cs
- Normalization.cs
- HtmlCommandAdapter.cs
- GacUtil.cs
- WebBrowserSiteBase.cs
- TypeUsageBuilder.cs
- FastEncoderWindow.cs
- SingleConverter.cs
- Clause.cs
- XmlNodeReader.cs
- BamlRecordWriter.cs
- _ListenerResponseStream.cs
- TextDecorationUnitValidation.cs
- ImageListUtils.cs
- CodeCompileUnit.cs
- DetailsViewPageEventArgs.cs
- EFDataModelProvider.cs
- DescriptionAttribute.cs
- CounterCreationData.cs
- Context.cs
- VideoDrawing.cs
- HtmlWindow.cs
- ResourceReferenceExpression.cs
- GlyphManager.cs
- WindowsAuthenticationEventArgs.cs
- LoadGrammarCompletedEventArgs.cs
- KeyboardNavigation.cs
- HttpProxyTransportBindingElement.cs
- SoapMessage.cs
- ContactManager.cs
- FileIOPermission.cs
- DictionaryBase.cs
- FilePresentation.cs
- HttpHandlersInstallComponent.cs
- SynchronizedDispatch.cs
- RecognizerInfo.cs
- XmlSerializerObjectSerializer.cs
- FontStyleConverter.cs
- XmlLinkedNode.cs
- Int32AnimationUsingKeyFrames.cs
- WebConfigurationHost.cs
- SmiXetterAccessMap.cs
- BoundField.cs
- CompilerTypeWithParams.cs
- MessageHeader.cs
- DescendantOverDescendantQuery.cs
- WebPartExportVerb.cs
- SortQuery.cs
- FontFamilyValueSerializer.cs
- ToolStripLocationCancelEventArgs.cs
- UserNamePasswordServiceCredential.cs
- SqlParameterCollection.cs
- GC.cs
- RichTextBox.cs
- BooleanConverter.cs
- Policy.cs
- DebugView.cs
- Guid.cs
- SqlDataSourceEnumerator.cs
- GeometryGroup.cs
- TypeUtil.cs
- _PooledStream.cs
- StrokeCollection2.cs
- CompositeClientFormatter.cs