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
- SqlCommandSet.cs
- SingleBodyParameterMessageFormatter.cs
- OleDbConnectionFactory.cs
- DeviceSpecificDesigner.cs
- ThrowHelper.cs
- BuildResult.cs
- RelationalExpressions.cs
- DataProtection.cs
- DocumentReferenceCollection.cs
- CodeIdentifier.cs
- GestureRecognizer.cs
- PrintDialogException.cs
- KeyConstraint.cs
- StrokeSerializer.cs
- RtfNavigator.cs
- SecurityHelper.cs
- HttpDictionary.cs
- HtmlCalendarAdapter.cs
- DataTrigger.cs
- WinEventWrap.cs
- EventProviderWriter.cs
- IPEndPointCollection.cs
- DataPointer.cs
- SQLGuid.cs
- Thread.cs
- InvalidCommandTreeException.cs
- ControlBuilderAttribute.cs
- DynamicDataResources.Designer.cs
- mansign.cs
- FileUtil.cs
- BindingMAnagerBase.cs
- SessionStateItemCollection.cs
- StreamUpdate.cs
- TypeConverterHelper.cs
- ResourcePermissionBaseEntry.cs
- BindingSource.cs
- X509WindowsSecurityToken.cs
- DeleteIndexBinder.cs
- NetCodeGroup.cs
- XmlCharacterData.cs
- TrackingParameters.cs
- QueueNameHelper.cs
- SortQuery.cs
- CodeAccessSecurityEngine.cs
- SqlTriggerAttribute.cs
- ListBox.cs
- SafeArrayTypeMismatchException.cs
- ToolboxComponentsCreatingEventArgs.cs
- Converter.cs
- Deflater.cs
- GroupQuery.cs
- Scheduler.cs
- InvokeWebService.cs
- FormViewRow.cs
- TemplateAction.cs
- CryptographicAttribute.cs
- SymmetricCryptoHandle.cs
- WebDescriptionAttribute.cs
- MembershipSection.cs
- AttributeUsageAttribute.cs
- UniqueConstraint.cs
- TreeView.cs
- RoleGroup.cs
- NumberFormatter.cs
- processwaithandle.cs
- SqlDataSourceQuery.cs
- WindowsNonControl.cs
- ListViewGroupItemCollection.cs
- NamespaceMapping.cs
- SchemaTableColumn.cs
- Baml2006SchemaContext.cs
- WindowsFormsEditorServiceHelper.cs
- ListViewCommandEventArgs.cs
- KeyMatchBuilder.cs
- EntityCommandExecutionException.cs
- HandleValueEditor.cs
- GeometryGroup.cs
- ObjectHandle.cs
- JournalNavigationScope.cs
- Pair.cs
- ToolboxDataAttribute.cs
- CharacterBuffer.cs
- JobStaple.cs
- HtmlSelectionListAdapter.cs
- HttpResponseInternalBase.cs
- DictionaryManager.cs
- Latin1Encoding.cs
- XmlWrappingReader.cs
- SmtpTransport.cs
- TransformFinalBlockRequest.cs
- EqualityComparer.cs
- BaseComponentEditor.cs
- PropertyIdentifier.cs
- DataControlFieldCollection.cs
- FixedSOMTableCell.cs
- ParameterBuilder.cs
- ObjectTag.cs
- TextBounds.cs
- TimersDescriptionAttribute.cs
- PageTheme.cs