Code:
/ 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / fx / src / Data / System / Data / Odbc / OdbcEnvironmentHandle.cs / 1305376 / OdbcEnvironmentHandle.cs
//------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //[....] //[....] //----------------------------------------------------------------------------- using System; using System.Collections; using System.ComponentModel; using System.Data; using System.Data.Common; using System.Diagnostics; using System.Globalization; using System.Runtime.InteropServices; using System.Security; using System.Security.Permissions; using System.Text; using System.Threading; using System.Runtime.Versioning; namespace System.Data.Odbc { sealed internal class OdbcEnvironmentHandle : OdbcHandle { // SxS: this method uses SQLSetEnvAttr to setup ODBC environment handle settings. Environment handle is safe in SxS. [ResourceExposure(ResourceScope.None)] [ResourceConsumption(ResourceScope.Process, ResourceScope.Process)] internal OdbcEnvironmentHandle() : base(ODBC32.SQL_HANDLE.ENV, null) { ODBC32.RetCode retcode; //Set the expected driver manager version // retcode = UnsafeNativeMethods.SQLSetEnvAttr( this, ODBC32.SQL_ATTR.ODBC_VERSION, ODBC32.SQL_OV_ODBC3, ODBC32.SQL_IS.INTEGER); // ignore retcode //Turn on connection pooling //Note: the env handle controls pooling. Only those connections created under that //handle are pooled. So we have to keep it alive and not create a new environment //for every connection. // retcode = UnsafeNativeMethods.SQLSetEnvAttr( this, ODBC32.SQL_ATTR.CONNECTION_POOLING, ODBC32.SQL_CP_ONE_PER_HENV, ODBC32.SQL_IS.INTEGER); switch(retcode) { case ODBC32.RetCode.SUCCESS: case ODBC32.RetCode.SUCCESS_WITH_INFO: break; default: Dispose(); throw ODBC.CantEnableConnectionpooling(retcode); } } } } // 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
- Path.cs
- PagesSection.cs
- RoutedEventConverter.cs
- MessageAction.cs
- DurationConverter.cs
- CustomErrorsSection.cs
- CqlErrorHelper.cs
- DrawingContextWalker.cs
- StatusBarItem.cs
- WebDisplayNameAttribute.cs
- NonDualMessageSecurityOverHttpElement.cs
- counter.cs
- httpstaticobjectscollection.cs
- DispatcherExceptionFilterEventArgs.cs
- ForeignConstraint.cs
- ModelVisual3D.cs
- RadioButtonRenderer.cs
- Int16Animation.cs
- ValidationHelper.cs
- XmlQueryContext.cs
- FixUpCollection.cs
- ToolStripArrowRenderEventArgs.cs
- FocusWithinProperty.cs
- RectAnimationBase.cs
- PropertyMetadata.cs
- XsdCachingReader.cs
- TextModifier.cs
- WindowsIdentity.cs
- StreamReader.cs
- FormatConvertedBitmap.cs
- ProxyWebPart.cs
- CompiledIdentityConstraint.cs
- WebDescriptionAttribute.cs
- PointHitTestResult.cs
- RequestStatusBarUpdateEventArgs.cs
- PeerDefaultCustomResolverClient.cs
- DefaultTextStore.cs
- SID.cs
- WebBrowserBase.cs
- ControlEvent.cs
- RuleInfoComparer.cs
- Byte.cs
- _AutoWebProxyScriptWrapper.cs
- SoundPlayerAction.cs
- Span.cs
- LinkConverter.cs
- IdentityReference.cs
- HostedElements.cs
- XamlTreeBuilder.cs
- DeploymentSectionCache.cs
- MetadataSerializer.cs
- TextServicesProperty.cs
- ResourcePermissionBaseEntry.cs
- RayHitTestParameters.cs
- TextBox.cs
- SequenceQuery.cs
- DeclarativeCatalogPart.cs
- BinaryExpressionHelper.cs
- TableLayoutPanel.cs
- RtfToXamlReader.cs
- GenerateTemporaryTargetAssembly.cs
- CqlLexerHelpers.cs
- SqlDataSourceSummaryPanel.cs
- SizeValueSerializer.cs
- MatcherBuilder.cs
- DesignerForm.cs
- UriTemplateClientFormatter.cs
- SqlDataSourceCache.cs
- NamespaceEmitter.cs
- StringFunctions.cs
- Addressing.cs
- WebProxyScriptElement.cs
- SafeNativeMethodsOther.cs
- ApplicationHost.cs
- DetailsViewRow.cs
- ConfigurationElement.cs
- FileUtil.cs
- MouseActionValueSerializer.cs
- DataGridViewRowHeightInfoPushedEventArgs.cs
- InstanceCompleteException.cs
- ApplicationProxyInternal.cs
- LayoutTableCell.cs
- UnsafeNativeMethods.cs
- OptimizerPatterns.cs
- FixedTextPointer.cs
- KnownBoxes.cs
- Pen.cs
- TextParagraph.cs
- RoutedEventArgs.cs
- QueryComponents.cs
- GridViewCellAutomationPeer.cs
- ClosableStream.cs
- InvariantComparer.cs
- ParserHooks.cs
- ArraySubsetEnumerator.cs
- HttpModulesSection.cs
- _ListenerResponseStream.cs
- RectangleHotSpot.cs
- WorkflowInstance.cs
- RightsManagementEncryptedStream.cs