Code:
/ Dotnetfx_Vista_SP2 / Dotnetfx_Vista_SP2 / 8.0.50727.4016 / DEVDIV / depot / DevDiv / releases / whidbey / NetFxQFE / ndp / fx / src / Data / System / Data / Common / DbDataReader.cs / 1 / DbDataReader.cs
//------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //[....] //[....] //----------------------------------------------------------------------------- namespace System.Data.Common { using System; using System.Collections; using System.ComponentModel; using System.Data; #if WINFSInternalOnly internal #else public #endif abstract class DbDataReader : MarshalByRefObject, IDataReader, IEnumerable { // V1.2.3300 protected DbDataReader() : base() { } abstract public int Depth { get; } abstract public int FieldCount { get; } abstract public bool HasRows { get; } abstract public bool IsClosed { get; } abstract public int RecordsAffected { get; } virtual public int VisibleFieldCount { // NOTE: This is virtual because not all providers may choose to support // this property, since it was added in Whidbey get { return FieldCount; } } abstract public object this [ int ordinal ] { get; } abstract public object this [ string name ] { get; } abstract public void Close(); [ EditorBrowsableAttribute(EditorBrowsableState.Never) ] public void Dispose() { Dispose(true); } protected virtual void Dispose(bool disposing) { if (disposing) { Close(); } } abstract public string GetDataTypeName(int ordinal); [ EditorBrowsableAttribute(EditorBrowsableState.Never) ] abstract public IEnumerator GetEnumerator(); abstract public Type GetFieldType(int ordinal); abstract public string GetName(int ordinal); abstract public int GetOrdinal(string name); abstract public DataTable GetSchemaTable(); abstract public bool GetBoolean(int ordinal); abstract public byte GetByte(int ordinal); abstract public long GetBytes(int ordinal, long dataOffset, byte[] buffer, int bufferOffset, int length); abstract public char GetChar(int ordinal); abstract public long GetChars(int ordinal, long dataOffset, char[] buffer, int bufferOffset, int length); [ EditorBrowsableAttribute(EditorBrowsableState.Never) ] public DbDataReader GetData(int ordinal) { return GetDbDataReader(ordinal); } IDataReader IDataRecord.GetData(int ordinal) { return GetDbDataReader(ordinal); } virtual protected DbDataReader GetDbDataReader(int ordinal) { // NOTE: This method is virtual because we're required to implement // it however most providers won't support it. Only the OLE DB // provider supports it right now, and they can override it. throw ADP.NotSupported(); } abstract public DateTime GetDateTime(int ordinal); abstract public Decimal GetDecimal(int ordinal); abstract public double GetDouble(int ordinal); abstract public float GetFloat(int ordinal); abstract public Guid GetGuid(int ordinal); abstract public Int16 GetInt16(int ordinal); abstract public Int32 GetInt32(int ordinal); abstract public Int64 GetInt64(int ordinal); [ EditorBrowsableAttribute(EditorBrowsableState.Never) ] virtual public Type GetProviderSpecificFieldType(int ordinal) { // NOTE: This is virtual because not all providers may choose to support // this method, since it was added in Whidbey. return GetFieldType(ordinal); } [ EditorBrowsableAttribute(EditorBrowsableState.Never) ] virtual public Object GetProviderSpecificValue(int ordinal) { // NOTE: This is virtual because not all providers may choose to support // this method, since it was added in Whidbey return GetValue(ordinal); } [ EditorBrowsableAttribute(EditorBrowsableState.Never) ] virtual public int GetProviderSpecificValues(object[] values) { // NOTE: This is virtual because not all providers may choose to support // this method, since it was added in Whidbey return GetValues(values); } abstract public String GetString(int ordinal); abstract public Object GetValue(int ordinal); abstract public int GetValues(object[] values); abstract public bool IsDBNull(int ordinal); abstract public bool NextResult(); abstract public bool Read(); } } // 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.Collections; using System.ComponentModel; using System.Data; #if WINFSInternalOnly internal #else public #endif abstract class DbDataReader : MarshalByRefObject, IDataReader, IEnumerable { // V1.2.3300 protected DbDataReader() : base() { } abstract public int Depth { get; } abstract public int FieldCount { get; } abstract public bool HasRows { get; } abstract public bool IsClosed { get; } abstract public int RecordsAffected { get; } virtual public int VisibleFieldCount { // NOTE: This is virtual because not all providers may choose to support // this property, since it was added in Whidbey get { return FieldCount; } } abstract public object this [ int ordinal ] { get; } abstract public object this [ string name ] { get; } abstract public void Close(); [ EditorBrowsableAttribute(EditorBrowsableState.Never) ] public void Dispose() { Dispose(true); } protected virtual void Dispose(bool disposing) { if (disposing) { Close(); } } abstract public string GetDataTypeName(int ordinal); [ EditorBrowsableAttribute(EditorBrowsableState.Never) ] abstract public IEnumerator GetEnumerator(); abstract public Type GetFieldType(int ordinal); abstract public string GetName(int ordinal); abstract public int GetOrdinal(string name); abstract public DataTable GetSchemaTable(); abstract public bool GetBoolean(int ordinal); abstract public byte GetByte(int ordinal); abstract public long GetBytes(int ordinal, long dataOffset, byte[] buffer, int bufferOffset, int length); abstract public char GetChar(int ordinal); abstract public long GetChars(int ordinal, long dataOffset, char[] buffer, int bufferOffset, int length); [ EditorBrowsableAttribute(EditorBrowsableState.Never) ] public DbDataReader GetData(int ordinal) { return GetDbDataReader(ordinal); } IDataReader IDataRecord.GetData(int ordinal) { return GetDbDataReader(ordinal); } virtual protected DbDataReader GetDbDataReader(int ordinal) { // NOTE: This method is virtual because we're required to implement // it however most providers won't support it. Only the OLE DB // provider supports it right now, and they can override it. throw ADP.NotSupported(); } abstract public DateTime GetDateTime(int ordinal); abstract public Decimal GetDecimal(int ordinal); abstract public double GetDouble(int ordinal); abstract public float GetFloat(int ordinal); abstract public Guid GetGuid(int ordinal); abstract public Int16 GetInt16(int ordinal); abstract public Int32 GetInt32(int ordinal); abstract public Int64 GetInt64(int ordinal); [ EditorBrowsableAttribute(EditorBrowsableState.Never) ] virtual public Type GetProviderSpecificFieldType(int ordinal) { // NOTE: This is virtual because not all providers may choose to support // this method, since it was added in Whidbey. return GetFieldType(ordinal); } [ EditorBrowsableAttribute(EditorBrowsableState.Never) ] virtual public Object GetProviderSpecificValue(int ordinal) { // NOTE: This is virtual because not all providers may choose to support // this method, since it was added in Whidbey return GetValue(ordinal); } [ EditorBrowsableAttribute(EditorBrowsableState.Never) ] virtual public int GetProviderSpecificValues(object[] values) { // NOTE: This is virtual because not all providers may choose to support // this method, since it was added in Whidbey return GetValues(values); } abstract public String GetString(int ordinal); abstract public Object GetValue(int ordinal); abstract public int GetValues(object[] values); abstract public bool IsDBNull(int ordinal); abstract public bool NextResult(); abstract public bool Read(); } } // 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
- ExpressionBinding.cs
- ClientRolePrincipal.cs
- ScriptResourceDefinition.cs
- KerberosSecurityTokenProvider.cs
- KnownBoxes.cs
- BitmapEffectDrawing.cs
- ValidationRuleCollection.cs
- VirtualStackFrame.cs
- Empty.cs
- WindowsFormsSynchronizationContext.cs
- ContentOperations.cs
- HttpDebugHandler.cs
- AccessControlEntry.cs
- Substitution.cs
- DataGridViewRowEventArgs.cs
- Profiler.cs
- Vector3D.cs
- XPathItem.cs
- TabControlEvent.cs
- ProvidersHelper.cs
- FormatConvertedBitmap.cs
- ActivationServices.cs
- MetadataItem.cs
- MsmqBindingElementBase.cs
- AutomationPropertyInfo.cs
- WindowsEditBoxRange.cs
- ObjectDataSourceSelectingEventArgs.cs
- TemplateControlParser.cs
- AttributeCollection.cs
- IDQuery.cs
- SecUtil.cs
- ClientApiGenerator.cs
- NamedObject.cs
- __Filters.cs
- QuotedStringWriteStateInfo.cs
- Behavior.cs
- MenuBindingsEditorForm.cs
- Propagator.JoinPropagator.cs
- CodeSubDirectory.cs
- HostedTransportConfigurationManager.cs
- XmlnsCache.cs
- FixedSOMLineRanges.cs
- SecurityPolicySection.cs
- GeneralTransform.cs
- ScrollChrome.cs
- XamlPoint3DCollectionSerializer.cs
- RuntimeWrappedException.cs
- FtpCachePolicyElement.cs
- Ray3DHitTestResult.cs
- String.cs
- ScriptReference.cs
- XsdBuildProvider.cs
- ParameterCollection.cs
- StrongNameMembershipCondition.cs
- StorageMappingFragment.cs
- TextWriter.cs
- SymbolPair.cs
- ToolStripMenuItem.cs
- Int16Animation.cs
- XPathNavigatorKeyComparer.cs
- ImageButton.cs
- CompositeFontFamily.cs
- ToolStripSeparatorRenderEventArgs.cs
- prefixendpointaddressmessagefilter.cs
- HtmlEncodedRawTextWriter.cs
- CodeTypeMemberCollection.cs
- NestedContainer.cs
- FloatAverageAggregationOperator.cs
- ReflectionTypeLoadException.cs
- PositiveTimeSpanValidatorAttribute.cs
- ForeignKeyConstraint.cs
- CacheVirtualItemsEvent.cs
- OletxTransactionManager.cs
- StylusPlugin.cs
- SByteConverter.cs
- PropertyNames.cs
- XmlMemberMapping.cs
- DataServiceClientException.cs
- NameValuePair.cs
- EntityParameter.cs
- MailDefinition.cs
- CustomLineCap.cs
- ManipulationStartedEventArgs.cs
- RegexStringValidatorAttribute.cs
- SqlException.cs
- EventHandlingScope.cs
- DataGridViewAutoSizeModeEventArgs.cs
- Pair.cs
- TypeDescriptor.cs
- SymDocumentType.cs
- HostVisual.cs
- WmlLabelAdapter.cs
- ValueProviderWrapper.cs
- WebGetAttribute.cs
- TraceSection.cs
- MULTI_QI.cs
- ReflectionTypeLoadException.cs
- ImageListUtils.cs
- LazyLoadBehavior.cs
- RequestValidator.cs