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
- WebExceptionStatus.cs
- ListSortDescriptionCollection.cs
- WeakReferenceEnumerator.cs
- MarkupCompilePass1.cs
- UnsafeNativeMethods.cs
- OdbcEnvironmentHandle.cs
- CodeThrowExceptionStatement.cs
- AutomationPattern.cs
- OpenTypeLayoutCache.cs
- PopOutPanel.cs
- PropertyKey.cs
- UnmanagedMarshal.cs
- AssemblyCollection.cs
- DataGridViewAccessibleObject.cs
- CqlErrorHelper.cs
- Parsers.cs
- GetIndexBinder.cs
- FSWPathEditor.cs
- NetworkStream.cs
- ScrollProperties.cs
- CacheVirtualItemsEvent.cs
- SearchExpression.cs
- SafeBitVector32.cs
- KeyTimeConverter.cs
- ButtonColumn.cs
- HMACRIPEMD160.cs
- VisualTreeHelper.cs
- HttpListenerRequest.cs
- SortDescriptionCollection.cs
- _CacheStreams.cs
- AppSecurityManager.cs
- LocationChangedEventArgs.cs
- Model3D.cs
- selecteditemcollection.cs
- ObjectTypeMapping.cs
- PropertyEntry.cs
- OleAutBinder.cs
- XmlSchemas.cs
- ListViewTableRow.cs
- MethodToken.cs
- XmlStreamStore.cs
- AliasExpr.cs
- AbstractSvcMapFileLoader.cs
- ButtonColumn.cs
- ILGenerator.cs
- TemplateColumn.cs
- SplitterPanel.cs
- FilterElement.cs
- SqlNotificationRequest.cs
- DispatcherHookEventArgs.cs
- SqlAliasesReferenced.cs
- ExtensionWindow.cs
- SoapHeader.cs
- ArcSegment.cs
- SqlGatherProducedAliases.cs
- CodeFieldReferenceExpression.cs
- NumberSubstitution.cs
- BitmapCodecInfo.cs
- Object.cs
- AutomationPattern.cs
- SwitchElementsCollection.cs
- CapabilitiesAssignment.cs
- OracleBoolean.cs
- UnmanagedMemoryStreamWrapper.cs
- ContentFilePart.cs
- NumericUpDownAccelerationCollection.cs
- clipboard.cs
- DbTransaction.cs
- SQLInt64.cs
- clipboard.cs
- OrthographicCamera.cs
- WaitHandle.cs
- IgnoreFlushAndCloseStream.cs
- LogEntrySerializer.cs
- GeneratedContractType.cs
- ModuleBuilder.cs
- StringDictionary.cs
- ActivityStateRecord.cs
- DoubleLink.cs
- SettingsPropertyValue.cs
- GPPOINT.cs
- GlyphRunDrawing.cs
- SrgsRuleRef.cs
- DataGridPagerStyle.cs
- BindingMAnagerBase.cs
- util.cs
- SnapshotChangeTrackingStrategy.cs
- CodeAttachEventStatement.cs
- OdbcDataReader.cs
- DictionaryBase.cs
- SoapSchemaImporter.cs
- StrongTypingException.cs
- FormConverter.cs
- HttpWebRequest.cs
- CustomErrorsSection.cs
- WindowsListViewItem.cs
- XhtmlBasicTextViewAdapter.cs
- ControlAdapter.cs
- DBAsyncResult.cs
- XPathDocumentNavigator.cs