Code:
/ 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / fx / src / Data / System / Data / Common / DbDataReader.cs / 1305376 / DbDataReader.cs
//------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //[....] //[....] //----------------------------------------------------------------------------- namespace System.Data.Common { using System; using System.Collections; using System.ComponentModel; using System.Data; public 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
- WorkflowItemsPresenter.cs
- RelationshipDetailsCollection.cs
- ping.cs
- RenameRuleObjectDialog.Designer.cs
- Context.cs
- XmlAttributeCollection.cs
- AncestorChangedEventArgs.cs
- WebConfigurationHostFileChange.cs
- UrlParameterWriter.cs
- WindowInteropHelper.cs
- CompiledQueryCacheEntry.cs
- Positioning.cs
- SctClaimDictionary.cs
- MatrixTransform.cs
- HtmlTernaryTree.cs
- MetaTableHelper.cs
- VisualTreeUtils.cs
- PropertyTab.cs
- FilteredXmlReader.cs
- NativeObjectSecurity.cs
- LineBreakRecord.cs
- Rect3D.cs
- ShellProvider.cs
- TextTreeUndo.cs
- FolderLevelBuildProviderCollection.cs
- SQLRoleProvider.cs
- IODescriptionAttribute.cs
- loginstatus.cs
- LoginStatusDesigner.cs
- TypeName.cs
- MouseActionValueSerializer.cs
- UpDownEvent.cs
- EntityCollectionChangedParams.cs
- ResXDataNode.cs
- RelationshipFixer.cs
- DataKeyCollection.cs
- CacheSection.cs
- DataColumnMappingCollection.cs
- NativeMethodsCLR.cs
- TitleStyle.cs
- SevenBitStream.cs
- FileDetails.cs
- DbMetaDataColumnNames.cs
- BinaryWriter.cs
- FileDialog.cs
- DataServiceSaveChangesEventArgs.cs
- GuidelineSet.cs
- prompt.cs
- ContentControl.cs
- WizardSideBarListControlItem.cs
- BaseCollection.cs
- PopupRootAutomationPeer.cs
- BuildManagerHost.cs
- MergeFailedEvent.cs
- SpecularMaterial.cs
- CompilerCollection.cs
- MarkerProperties.cs
- ExplicitDiscriminatorMap.cs
- PenThread.cs
- SrgsText.cs
- HierarchicalDataBoundControlAdapter.cs
- HMACSHA256.cs
- TypedDataSourceCodeGenerator.cs
- QilFunction.cs
- ValueUtilsSmi.cs
- Speller.cs
- DataGridViewBindingCompleteEventArgs.cs
- ListViewItemSelectionChangedEvent.cs
- NullableLongMinMaxAggregationOperator.cs
- Configuration.cs
- InheritanceContextHelper.cs
- LifetimeServices.cs
- HtmlButton.cs
- InfoCardBaseException.cs
- NamedObject.cs
- ReadOnlyDictionary.cs
- DesignerSerializationOptionsAttribute.cs
- FixedLineResult.cs
- WeakEventTable.cs
- WsatServiceCertificate.cs
- _PooledStream.cs
- PenCursorManager.cs
- XmlSerializer.cs
- DeleteIndexBinder.cs
- Avt.cs
- AssociationTypeEmitter.cs
- HttpListenerRequest.cs
- QueryContext.cs
- CultureInfo.cs
- BitmapMetadata.cs
- TransformerInfoCollection.cs
- RC2CryptoServiceProvider.cs
- PageCatalogPart.cs
- StoragePropertyMapping.cs
- HyperLinkField.cs
- AuthorizationRuleCollection.cs
- XmlNullResolver.cs
- Cursors.cs
- IndentedWriter.cs
- SqlConnectionPoolProviderInfo.cs