Code:
/ 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / fx / src / xsp / System / Web / Compilation / RouteValueExpressionBuilder.cs / 1305376 / RouteValueExpressionBuilder.cs
//------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- namespace System.Web.Compilation { using System; using System.Security.Permissions; using System.CodeDom; using System.ComponentModel; using System.Configuration; using System.Diagnostics; using System.Web.UI; using System.Web.Routing; using System.Collections.Generic; [ExpressionPrefix("Routes")] [ExpressionEditor("System.Web.UI.Design.RouteValueExpressionEditor, " + AssemblyRef.SystemDesign)] public class RouteValueExpressionBuilder : ExpressionBuilder { public override bool SupportsEvaluate { get { return true; } } public override CodeExpression GetCodeExpression(BoundPropertyEntry entry, object parsedData, ExpressionBuilderContext context) { return new CodeMethodInvokeExpression( new CodeTypeReferenceExpression(this.GetType()), "GetRouteValue", new CodePropertyReferenceExpression(new CodeThisReferenceExpression(), "Page"), new CodePrimitiveExpression(entry.Expression.Trim()), new CodeTypeOfExpression(new CodeTypeReference(entry.ControlType)), new CodePrimitiveExpression(entry.Name) ); } public override object EvaluateExpression(object target, BoundPropertyEntry entry, object parsedData, ExpressionBuilderContext context) { // Target should always be a control Control control = target as Control; if (control == null) return null; return GetRouteValue(context.TemplateControl.Page, entry.Expression.Trim(), entry.ControlType, entry.Name); } internal static object ConvertRouteValue(object value, Type controlType, string propertyName) { // Try to do any type converting necessary for the property set if (controlType != null && !String.IsNullOrEmpty(propertyName)) { PropertyDescriptor propDesc = TypeDescriptor.GetProperties(controlType)[propertyName]; if (propDesc != null) { if (propDesc.PropertyType != typeof(string)) { TypeConverter converter = propDesc.Converter; if (converter.CanConvertFrom(typeof(string))) { return converter.ConvertFrom(value); } } } } return value; } // Format will be <%$ RouteValue: Key %>, controlType,propertyName are used to figure out what typeconverter to use public static object GetRouteValue(Page page, string key, Type controlType, string propertyName) { if (page == null || String.IsNullOrEmpty(key) || page.RouteData == null) { return null; } return ConvertRouteValue(page.RouteData.Values[key], controlType, propertyName); } } } // 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
- regiisutil.cs
- AddInAttribute.cs
- DataListItemEventArgs.cs
- RoleService.cs
- UrlMappingsSection.cs
- DurableOperationAttribute.cs
- CodeIterationStatement.cs
- InternalsVisibleToAttribute.cs
- DataGridViewImageColumn.cs
- VisualTarget.cs
- SemanticKeyElement.cs
- SerializationInfo.cs
- SelectionService.cs
- DataGridViewAutoSizeModeEventArgs.cs
- BamlResourceContent.cs
- SqlServer2KCompatibilityCheck.cs
- SelectionItemProviderWrapper.cs
- RegistryKey.cs
- WizardSideBarListControlItemEventArgs.cs
- QuotedPrintableStream.cs
- CodeFieldReferenceExpression.cs
- AppLevelCompilationSectionCache.cs
- ControlPropertyNameConverter.cs
- nulltextcontainer.cs
- CodeFieldReferenceExpression.cs
- XmlEntity.cs
- DefaultParameterValueAttribute.cs
- Persist.cs
- ControlSerializer.cs
- SchemaTableColumn.cs
- HasCopySemanticsAttribute.cs
- TextStore.cs
- AxisAngleRotation3D.cs
- CmsInterop.cs
- ValidationErrorInfo.cs
- MultilineStringConverter.cs
- LinearKeyFrames.cs
- DataServiceException.cs
- FontCacheLogic.cs
- PersianCalendar.cs
- Variable.cs
- XsdCachingReader.cs
- CodePageUtils.cs
- CryptoKeySecurity.cs
- NameSpaceExtractor.cs
- MarkupExtensionParser.cs
- TreeWalker.cs
- SqlStream.cs
- MDIClient.cs
- BamlStream.cs
- Exceptions.cs
- IdentityHolder.cs
- NegationPusher.cs
- DataGridViewBand.cs
- ButtonRenderer.cs
- ItemMap.cs
- InternalConfigRoot.cs
- SafeEventLogWriteHandle.cs
- XmlNodeList.cs
- IntPtr.cs
- InkCollectionBehavior.cs
- COSERVERINFO.cs
- CacheHelper.cs
- FolderBrowserDialog.cs
- Message.cs
- UInt64Converter.cs
- DerivedKeySecurityTokenStub.cs
- XdrBuilder.cs
- ArgumentNullException.cs
- Rotation3D.cs
- InvalidOleVariantTypeException.cs
- Error.cs
- PathFigureCollection.cs
- CodeDelegateInvokeExpression.cs
- PathFigureCollection.cs
- DependencyProperty.cs
- WriteableBitmap.cs
- FlatButtonAppearance.cs
- UpDownBaseDesigner.cs
- SHA1CryptoServiceProvider.cs
- SoapCodeExporter.cs
- XmlNamespaceManager.cs
- Mouse.cs
- MessagingDescriptionAttribute.cs
- RealProxy.cs
- InvalidOleVariantTypeException.cs
- LongValidator.cs
- ItemCollectionEditor.cs
- TextDecorationCollectionConverter.cs
- DesignerTextBoxAdapter.cs
- SemanticTag.cs
- Padding.cs
- ResXBuildProvider.cs
- Binding.cs
- DrawingVisual.cs
- TraceSource.cs
- PageCodeDomTreeGenerator.cs
- HtmlControlPersistable.cs
- DataGridViewRowDividerDoubleClickEventArgs.cs
- DrawingGroup.cs