Code:
/ FXUpdate3074 / FXUpdate3074 / 1.1 / untmp / whidbey / QFE / ndp / fx / src / xsp / System / Web / UI / WebControls / Label.cs / 2 / Label.cs
//------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- namespace System.Web.UI.WebControls { using System; using System.Collections; using System.ComponentModel; using System.Drawing.Design; using System.Security.Permissions; using System.Web; using System.Web.UI; ////// [AspNetHostingPermission(SecurityAction.LinkDemand, Level=AspNetHostingPermissionLevel.Minimal)] [AspNetHostingPermission(SecurityAction.InheritanceDemand, Level=AspNetHostingPermissionLevel.Minimal)] public class LabelControlBuilder : ControlBuilder { ///Interacts with the parser to build a ///control. /// /// public override bool AllowWhitespaceLiterals() { return false; } } ///Specifies whether white space literals are allowed. ////// [ ControlBuilderAttribute(typeof(LabelControlBuilder)), ControlValueProperty("Text"), DataBindingHandler("System.Web.UI.Design.TextDataBindingHandler, " + AssemblyRef.SystemDesign), DefaultProperty("Text"), ParseChildren(false), Designer("System.Web.UI.Design.WebControls.LabelDesigner, " + AssemblyRef.SystemDesign), ToolboxData("<{0}:Label runat=\"server\" Text=\"Label\">{0}:Label>") ] [AspNetHostingPermission(SecurityAction.LinkDemand, Level=AspNetHostingPermissionLevel.Minimal)] [AspNetHostingPermission(SecurityAction.InheritanceDemand, Level=AspNetHostingPermissionLevel.Minimal)] public class Label : WebControl, ITextControl { ///Constructs a label for displaying text programmatcially on a /// page. ////// public Label() { } ///Initializes a new instance of the ///class and renders /// it as a SPAN tag. /// internal Label(HtmlTextWriterTag tag) : base(tag) { } ////// [ DefaultValue(""), IDReferenceProperty(), TypeConverter(typeof(AssociatedControlConverter)), WebCategory("Accessibility"), WebSysDescription(SR.Label_AssociatedControlID), Themeable(false) ] public virtual string AssociatedControlID { get { string s = (string)ViewState["AssociatedControlID"]; return (s == null) ? String.Empty : s; } set { ViewState["AssociatedControlID"] = value; } } internal bool AssociatedControlInControlTree { get { object o = ViewState["AssociatedControlNotInControlTree"]; return (o == null ? true : (bool)o); } set { ViewState["AssociatedControlNotInControlTree"] = value; } } internal override bool RequiresLegacyRendering { get { return true; } } protected override HtmlTextWriterTag TagKey { get { if (AssociatedControlID.Length != 0) { return HtmlTextWriterTag.Label; } return base.TagKey; } } ///[To be supplied.] ////// [ Localizable(true), Bindable(true), WebCategory("Appearance"), DefaultValue(""), WebSysDescription(SR.Label_Text), PersistenceMode(PersistenceMode.InnerDefaultProperty) ] public virtual string Text { get { object o = ViewState["Text"]; return((o == null) ? String.Empty : (string)o); } set { if (HasControls()) { Controls.Clear(); } ViewState["Text"] = value; } } protected override void AddAttributesToRender(HtmlTextWriter writer) { string associatedControlID = AssociatedControlID; if (associatedControlID.Length != 0) { if (AssociatedControlInControlTree) { Control wc = FindControl(associatedControlID); if (wc == null) { // Don't throw in the designer. if (!DesignMode) throw new HttpException(SR.GetString(SR.LabelForNotFound, associatedControlID, ID)); } else { writer.AddAttribute(HtmlTextWriterAttribute.For, wc.ClientID); } } else { writer.AddAttribute(HtmlTextWriterAttribute.For, associatedControlID); } } base.AddAttributesToRender(writer); } ///Gets or sets the text content of the ////// control. /// /// protected override void AddParsedSubObject(object obj) { if (HasControls()) { base.AddParsedSubObject(obj); } else { if (obj is LiteralControl) { Text = ((LiteralControl)obj).Text; } else { string currentText = Text; if (currentText.Length != 0) { Text = String.Empty; base.AddParsedSubObject(new LiteralControl(currentText)); } base.AddParsedSubObject(obj); } } } ////// /// protected override void LoadViewState(object savedState) { if (savedState != null) { base.LoadViewState(savedState); string s = (string)ViewState["Text"]; if (s != null) Text = s; } } ///Load previously saved state. /// Overridden to synchronize Text property with LiteralContent. ////// /// protected internal override void RenderContents(HtmlTextWriter writer) { if (HasRenderingData()) { base.RenderContents(writer); } else { writer.Write(Text); } } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // Copyright (c) Microsoft Corporation. All rights reserved.Renders the contents of the ///into the specified writer.
Link Menu
This book is available now!
Buy at Amazon US or
Buy at Amazon UK
- FileInfo.cs
- Vector3DAnimationUsingKeyFrames.cs
- Identity.cs
- CursorConverter.cs
- TextBoxRenderer.cs
- graph.cs
- MobileControlDesigner.cs
- CustomAssemblyResolver.cs
- SatelliteContractVersionAttribute.cs
- TextAutomationPeer.cs
- TableAdapterManagerHelper.cs
- StylusButtonEventArgs.cs
- xsdvalidator.cs
- Attributes.cs
- ZipFileInfo.cs
- FixedPageProcessor.cs
- Image.cs
- WindowPatternIdentifiers.cs
- Knowncolors.cs
- ConstraintConverter.cs
- ByteAnimationBase.cs
- Column.cs
- CRYPTPROTECT_PROMPTSTRUCT.cs
- UrlPropertyAttribute.cs
- tooltip.cs
- Decimal.cs
- InputScopeConverter.cs
- DateTimeValueSerializerContext.cs
- SqlDataReaderSmi.cs
- FlowLayout.cs
- externdll.cs
- JsonFormatWriterGenerator.cs
- DefaultAssemblyResolver.cs
- ImageUrlEditor.cs
- DiagnosticStrings.cs
- ViewGenerator.cs
- DSACryptoServiceProvider.cs
- ConstrainedGroup.cs
- recordstate.cs
- CacheDependency.cs
- Vector3DCollectionValueSerializer.cs
- DataGridViewCellStyleChangedEventArgs.cs
- ThreadAbortException.cs
- FileLevelControlBuilderAttribute.cs
- _CommandStream.cs
- TextTreeUndoUnit.cs
- DESCryptoServiceProvider.cs
- XdrBuilder.cs
- MinMaxParagraphWidth.cs
- EncryptedKeyIdentifierClause.cs
- BidOverLoads.cs
- QueueProcessor.cs
- CacheEntry.cs
- UICuesEvent.cs
- XmlEntity.cs
- Mappings.cs
- UInt32Storage.cs
- StrongNameKeyPair.cs
- ObjectStateEntryDbUpdatableDataRecord.cs
- WinEventHandler.cs
- ProfessionalColorTable.cs
- InputLangChangeRequestEvent.cs
- Figure.cs
- XmlName.cs
- AuthenticationException.cs
- NameService.cs
- ConfigurationValidatorAttribute.cs
- SerializationFieldInfo.cs
- ReplyChannel.cs
- OutputCacheSettingsSection.cs
- FullTrustAssemblyCollection.cs
- FilterInvalidBodyAccessException.cs
- MonitoringDescriptionAttribute.cs
- Security.cs
- EntityDesignerDataSourceView.cs
- SuppressMessageAttribute.cs
- Array.cs
- WindowsFont.cs
- VisualStyleRenderer.cs
- PersonalizablePropertyEntry.cs
- LineProperties.cs
- FormatVersion.cs
- Grammar.cs
- SQLInt16Storage.cs
- PackageDigitalSignatureManager.cs
- ListViewTableRow.cs
- DrawingDrawingContext.cs
- XmlReturnReader.cs
- XmlAttributeCache.cs
- XmlSchemaSimpleTypeList.cs
- NamespaceQuery.cs
- DetailsViewPageEventArgs.cs
- UncommonField.cs
- Timer.cs
- DesignerActionKeyboardBehavior.cs
- MatrixKeyFrameCollection.cs
- PanelDesigner.cs
- RequiredAttributeAttribute.cs
- OutputCacheModule.cs
- AuthenticationService.cs