Code:
/ 4.0 / 4.0 / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / fx / src / xsp / System / Web / UI / DataSourceCacheDurationConverter.cs / 1305376 / DataSourceCacheDurationConverter.cs
//------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- namespace System.Web.UI { using System; using System.Collections; using System.ComponentModel; using System.ComponentModel.Design.Serialization; using System.Globalization; using System.Reflection; using System.Security.Permissions; using System.Web.Util; ////// Converts a cache duration such as an integer or the text "Infinite" to a cache duration, where "Infinite" implies zero (0). /// public class DataSourceCacheDurationConverter : Int32Converter { private StandardValuesCollection _values; public override bool CanConvertFrom(ITypeDescriptorContext context, Type sourceType) { if (sourceType == typeof(string)) { return true; } else { return base.CanConvertFrom(context, sourceType); } } public override object ConvertFrom(ITypeDescriptorContext context, CultureInfo culture, object value) { if (value == null) return null; string stringValue = value as string; if (stringValue != null) { string textValue = stringValue.Trim(); if (textValue.Length == 0) { return 0; } if (String.Equals(textValue, "infinite", StringComparison.OrdinalIgnoreCase)) { return 0; } } return base.ConvertFrom(context, culture, value); } public override bool CanConvertTo(ITypeDescriptorContext context, Type destinationType) { if (destinationType == typeof(string)) { return true; } else { return base.CanConvertTo(context, destinationType); } } public override object ConvertTo(ITypeDescriptorContext context, CultureInfo culture, object value, Type destinationType) { if ((value != null) && (destinationType == typeof(string)) && ((int)value == 0)) { return "Infinite"; } else { return base.ConvertTo(context, culture, value, destinationType); } } public override StandardValuesCollection GetStandardValues(ITypeDescriptorContext context) { if (_values == null) { object[] values = new object[] { 0 }; _values = new StandardValuesCollection(values); } return _values; } public override bool GetStandardValuesExclusive(ITypeDescriptorContext context) { return false; } public override bool GetStandardValuesSupported(ITypeDescriptorContext context) { return true; } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. //------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- namespace System.Web.UI { using System; using System.Collections; using System.ComponentModel; using System.ComponentModel.Design.Serialization; using System.Globalization; using System.Reflection; using System.Security.Permissions; using System.Web.Util; ////// Converts a cache duration such as an integer or the text "Infinite" to a cache duration, where "Infinite" implies zero (0). /// public class DataSourceCacheDurationConverter : Int32Converter { private StandardValuesCollection _values; public override bool CanConvertFrom(ITypeDescriptorContext context, Type sourceType) { if (sourceType == typeof(string)) { return true; } else { return base.CanConvertFrom(context, sourceType); } } public override object ConvertFrom(ITypeDescriptorContext context, CultureInfo culture, object value) { if (value == null) return null; string stringValue = value as string; if (stringValue != null) { string textValue = stringValue.Trim(); if (textValue.Length == 0) { return 0; } if (String.Equals(textValue, "infinite", StringComparison.OrdinalIgnoreCase)) { return 0; } } return base.ConvertFrom(context, culture, value); } public override bool CanConvertTo(ITypeDescriptorContext context, Type destinationType) { if (destinationType == typeof(string)) { return true; } else { return base.CanConvertTo(context, destinationType); } } public override object ConvertTo(ITypeDescriptorContext context, CultureInfo culture, object value, Type destinationType) { if ((value != null) && (destinationType == typeof(string)) && ((int)value == 0)) { return "Infinite"; } else { return base.ConvertTo(context, culture, value, destinationType); } } public override StandardValuesCollection GetStandardValues(ITypeDescriptorContext context) { if (_values == null) { object[] values = new object[] { 0 }; _values = new StandardValuesCollection(values); } return _values; } public override bool GetStandardValuesExclusive(ITypeDescriptorContext context) { return false; } public override bool GetStandardValuesSupported(ITypeDescriptorContext context) { 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
- Config.cs
- DeviceContext.cs
- AddressingProperty.cs
- IPAddress.cs
- HtmlTableCellCollection.cs
- TypeSystemProvider.cs
- ComponentEvent.cs
- SynchronizedDispatch.cs
- AsymmetricKeyExchangeDeformatter.cs
- SecurityUniqueId.cs
- SerialStream.cs
- RepeatBehaviorConverter.cs
- CellParaClient.cs
- TypeEnumerableViewSchema.cs
- TableColumnCollection.cs
- TCPClient.cs
- AttributeProviderAttribute.cs
- FileDialog.cs
- XmlDataSourceNodeDescriptor.cs
- CachedFontFamily.cs
- Calendar.cs
- BasicHttpBindingCollectionElement.cs
- IpcChannel.cs
- PaintEvent.cs
- FormsAuthenticationCredentials.cs
- ZoneIdentityPermission.cs
- xml.cs
- SqlConnectionHelper.cs
- UnSafeCharBuffer.cs
- XmlSchemaSimpleContentExtension.cs
- InsufficientMemoryException.cs
- GroupLabel.cs
- SrgsOneOf.cs
- Walker.cs
- CoTaskMemHandle.cs
- HtmlTernaryTree.cs
- SHA384Cng.cs
- ProcessInfo.cs
- TextElement.cs
- OutputCacheModule.cs
- ConnectivityStatus.cs
- CommentAction.cs
- Dictionary.cs
- ValueQuery.cs
- NavigationService.cs
- Listbox.cs
- CodeTypeParameter.cs
- FreezableOperations.cs
- ContainerVisual.cs
- DrawingDrawingContext.cs
- DataGridViewEditingControlShowingEventArgs.cs
- XmlSecureResolver.cs
- Debug.cs
- InternalPolicyElement.cs
- TypeViewSchema.cs
- StateDesigner.Helpers.cs
- WebPartChrome.cs
- ConditionValidator.cs
- Bits.cs
- SapiRecoInterop.cs
- CriticalExceptions.cs
- ParentQuery.cs
- PagerSettings.cs
- TextBox.cs
- SqlFlattener.cs
- ConfigXmlReader.cs
- TableLayoutColumnStyleCollection.cs
- QilScopedVisitor.cs
- ColumnResizeUndoUnit.cs
- UInt64Converter.cs
- UriSchemeKeyedCollection.cs
- CodeGenHelper.cs
- ExpressionList.cs
- StatusBarAutomationPeer.cs
- BaseCodeDomTreeGenerator.cs
- ListItemsPage.cs
- Int64Storage.cs
- ProxyAssemblyNotLoadedException.cs
- OdbcDataAdapter.cs
- DataBindingCollection.cs
- FloaterParaClient.cs
- FileDialogCustomPlacesCollection.cs
- TabRenderer.cs
- DesignerDataTableBase.cs
- WebControlParameterProxy.cs
- VersionValidator.cs
- CodeAttachEventStatement.cs
- OracleConnectionString.cs
- IPipelineRuntime.cs
- BitmapFrame.cs
- NullableDecimalAverageAggregationOperator.cs
- SR.Designer.cs
- BaseParaClient.cs
- SmiGettersStream.cs
- SoapInteropTypes.cs
- EdmConstants.cs
- TagMapCollection.cs
- ManagementDateTime.cs
- EventLogger.cs
- TextRange.cs