Code:
/ Net / Net / 3.5.50727.3053 / DEVDIV / depot / DevDiv / releases / whidbey / netfxsp / ndp / fx / src / Data / System / Data / Common / SQLTypes / SqlXmlStorage.cs / 1 / SqlXmlStorage.cs
//------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //[....] //[....] //[....] //----------------------------------------------------------------------------- namespace System.Data.Common { using System; using System.Xml; using System.IO; using System.Xml.Serialization; using System.Data.SqlTypes; using System.Diagnostics; using System.Text; using System.Collections; internal sealed class SqlXmlStorage : DataStorage { private SqlXml[] values; public SqlXmlStorage(DataColumn column) : base(column, typeof(SqlXml), SqlXml.Null, SqlXml.Null) { } override public Object Aggregate(int[] records, AggregateType kind) { try { switch (kind) { case AggregateType.First: if (records.Length > 0) { return values[records[0]]; } return null;// no data => null case AggregateType.Count: int count = 0; for (int i = 0; i < records.Length; i++) { if (!IsNull(records[i])) count++; } return count; } } catch (OverflowException) { throw ExprException.Overflow(typeof(SqlXml)); } throw ExceptionBuilder.AggregateException(kind, DataType); } override public int Compare(int recordNo1, int recordNo2) { //return values[recordNo1].CompareTo(values[recordNo2]); return 0; } override public int CompareValueTo(int recordNo, Object value) { // SqlXml valueNo2 = ((value == null)||(value == DBNull.Value))? SqlXml.Null : (SqlXml)value; // return values[recordNo].CompareTo(valueNo2); return 0; } override public void Copy(int recordNo1, int recordNo2) { values[recordNo2] = values[recordNo1]; } override public Object Get(int record) { return values[record]; } override public bool IsNull(int record) { return (values[record].IsNull); } override public void Set(int record, Object value) { if ((value == DBNull.Value) || (value == null)){ values[record] = SqlXml.Null; } else { values[record] = (SqlXml)value; } } override public void SetCapacity(int capacity) { SqlXml[] newValues = new SqlXml[capacity]; if (null != values) { Array.Copy(values, 0, newValues, 0, Math.Min(capacity, values.Length)); } values = newValues; } override public object ConvertXmlToObject(string s) { XmlTextReader reader = new XmlTextReader(s, XmlNodeType.Element, null) ; return (new SqlXml(reader)); /* SqlXml newValue = new SqlXml(); StringReader strReader = new StringReader(s); XmlTextReader xmlTextReader = new XmlTextReader(strReader); ((IXmlSerializable)newValue).ReadXml(xmlTextReader); xmlTextReader.Close(); return newValue; */ } override public string ConvertObjectToXml(object value) { SqlXml reader = (SqlXml) value; if (reader.IsNull) return ADP.StrEmpty; else return reader.Value; // SqlXml.Value returns string } override protected object GetEmptyStorage(int recordCount) { return new SqlXml[recordCount]; } override protected void CopyValue(int record, object store, BitArray nullbits, int storeIndex) { SqlXml[] typedStore = (SqlXml[]) store; typedStore[storeIndex] = values[record]; nullbits.Set(storeIndex, IsNull(record)); } override protected void SetStorage(object store, BitArray nullbits) { values = (SqlXml[]) store; //SetNullStorage(nullbits); } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. //------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //[....] //[....] //[....] //----------------------------------------------------------------------------- namespace System.Data.Common { using System; using System.Xml; using System.IO; using System.Xml.Serialization; using System.Data.SqlTypes; using System.Diagnostics; using System.Text; using System.Collections; internal sealed class SqlXmlStorage : DataStorage { private SqlXml[] values; public SqlXmlStorage(DataColumn column) : base(column, typeof(SqlXml), SqlXml.Null, SqlXml.Null) { } override public Object Aggregate(int[] records, AggregateType kind) { try { switch (kind) { case AggregateType.First: if (records.Length > 0) { return values[records[0]]; } return null;// no data => null case AggregateType.Count: int count = 0; for (int i = 0; i < records.Length; i++) { if (!IsNull(records[i])) count++; } return count; } } catch (OverflowException) { throw ExprException.Overflow(typeof(SqlXml)); } throw ExceptionBuilder.AggregateException(kind, DataType); } override public int Compare(int recordNo1, int recordNo2) { //return values[recordNo1].CompareTo(values[recordNo2]); return 0; } override public int CompareValueTo(int recordNo, Object value) { // SqlXml valueNo2 = ((value == null)||(value == DBNull.Value))? SqlXml.Null : (SqlXml)value; // return values[recordNo].CompareTo(valueNo2); return 0; } override public void Copy(int recordNo1, int recordNo2) { values[recordNo2] = values[recordNo1]; } override public Object Get(int record) { return values[record]; } override public bool IsNull(int record) { return (values[record].IsNull); } override public void Set(int record, Object value) { if ((value == DBNull.Value) || (value == null)){ values[record] = SqlXml.Null; } else { values[record] = (SqlXml)value; } } override public void SetCapacity(int capacity) { SqlXml[] newValues = new SqlXml[capacity]; if (null != values) { Array.Copy(values, 0, newValues, 0, Math.Min(capacity, values.Length)); } values = newValues; } override public object ConvertXmlToObject(string s) { XmlTextReader reader = new XmlTextReader(s, XmlNodeType.Element, null) ; return (new SqlXml(reader)); /* SqlXml newValue = new SqlXml(); StringReader strReader = new StringReader(s); XmlTextReader xmlTextReader = new XmlTextReader(strReader); ((IXmlSerializable)newValue).ReadXml(xmlTextReader); xmlTextReader.Close(); return newValue; */ } override public string ConvertObjectToXml(object value) { SqlXml reader = (SqlXml) value; if (reader.IsNull) return ADP.StrEmpty; else return reader.Value; // SqlXml.Value returns string } override protected object GetEmptyStorage(int recordCount) { return new SqlXml[recordCount]; } override protected void CopyValue(int record, object store, BitArray nullbits, int storeIndex) { SqlXml[] typedStore = (SqlXml[]) store; typedStore[storeIndex] = values[record]; nullbits.Set(storeIndex, IsNull(record)); } override protected void SetStorage(object store, BitArray nullbits) { values = (SqlXml[]) store; //SetNullStorage(nullbits); } } } // 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
- LinqDataView.cs
- CharacterBuffer.cs
- X509Utils.cs
- ApplicationActivator.cs
- HierarchicalDataTemplate.cs
- SafeNativeMethods.cs
- TrustExchangeException.cs
- InternalConfigHost.cs
- TableLayoutCellPaintEventArgs.cs
- UnsupportedPolicyOptionsException.cs
- ConnectionManager.cs
- ObjectListFieldsPage.cs
- VectorCollection.cs
- GradientSpreadMethodValidation.cs
- InfoCardRSAPKCS1SignatureFormatter.cs
- Executor.cs
- RSAPKCS1KeyExchangeDeformatter.cs
- FuncTypeConverter.cs
- ControlPropertyNameConverter.cs
- ProfileSection.cs
- ToolConsole.cs
- TableLayoutColumnStyleCollection.cs
- HtmlInputRadioButton.cs
- GroupBox.cs
- MembershipSection.cs
- DateTimeUtil.cs
- TextBoxAutomationPeer.cs
- WebSysDescriptionAttribute.cs
- WebServiceEnumData.cs
- CodeMemberField.cs
- LinkedResourceCollection.cs
- HwndTarget.cs
- ToolStripDropDownMenu.cs
- CodeSubDirectory.cs
- UnmanagedHandle.cs
- ProcessModuleDesigner.cs
- SetIndexBinder.cs
- TextServicesCompartmentEventSink.cs
- designeractionbehavior.cs
- TextElementCollection.cs
- InkCanvasFeedbackAdorner.cs
- XhtmlBasicTextViewAdapter.cs
- PasswordRecovery.cs
- Expression.cs
- NavigationWindowAutomationPeer.cs
- Merger.cs
- ToolStripScrollButton.cs
- RowSpanVector.cs
- ToolStripRenderer.cs
- UInt64.cs
- Latin1Encoding.cs
- DynamicVirtualDiscoSearcher.cs
- TableItemProviderWrapper.cs
- DoubleAnimationUsingKeyFrames.cs
- ImageButton.cs
- NumberSubstitution.cs
- StateDesigner.Helpers.cs
- AspNetSynchronizationContext.cs
- InheritanceAttribute.cs
- DataGridColumnDropSeparator.cs
- TemplateBindingExtension.cs
- DispatchWrapper.cs
- CalendarBlackoutDatesCollection.cs
- Converter.cs
- InvokePattern.cs
- BinaryMethodMessage.cs
- XmlRootAttribute.cs
- InvalidDataException.cs
- ChannelFactory.cs
- RegexMatch.cs
- DatagridviewDisplayedBandsData.cs
- _Semaphore.cs
- QuotedPrintableStream.cs
- OdbcPermission.cs
- _SslSessionsCache.cs
- DataSourceView.cs
- SqlBuilder.cs
- MarshalByValueComponent.cs
- Regex.cs
- DecimalKeyFrameCollection.cs
- JsonByteArrayDataContract.cs
- WebPart.cs
- EndpointConfigContainer.cs
- WorkItem.cs
- SafeNativeMethodsCLR.cs
- BrushConverter.cs
- CqlWriter.cs
- FontStretches.cs
- ProtocolReflector.cs
- GcSettings.cs
- ErrorHandler.cs
- RegistryDataKey.cs
- UnhandledExceptionEventArgs.cs
- AttributeInfo.cs
- StorageEntitySetMapping.cs
- ButtonFieldBase.cs
- GetReadStreamResult.cs
- ZipIOCentralDirectoryDigitalSignature.cs
- WebConfigurationHost.cs
- SubpageParaClient.cs