Code:
/ FXUpdate3074 / FXUpdate3074 / 1.1 / DEVDIV / depot / DevDiv / releases / 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. // 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
- XmlDocumentFragment.cs
- ProfileModule.cs
- EUCJPEncoding.cs
- FlagsAttribute.cs
- SizeLimitedCache.cs
- ListInitExpression.cs
- RepeaterCommandEventArgs.cs
- CharKeyFrameCollection.cs
- IDReferencePropertyAttribute.cs
- SystemMulticastIPAddressInformation.cs
- StylusEventArgs.cs
- XPathDocumentIterator.cs
- httpserverutility.cs
- FileLogRecordHeader.cs
- ToolStripDropDownClosingEventArgs.cs
- TextRange.cs
- ReadOnlyDataSource.cs
- WebPartActionVerb.cs
- XmlSerializerFactory.cs
- ValidationRule.cs
- StringResourceManager.cs
- Object.cs
- SystemIPGlobalProperties.cs
- TypeDefinition.cs
- PaperSize.cs
- LayoutUtils.cs
- OutKeywords.cs
- ContextMenuStripActionList.cs
- EntityContainerEntitySet.cs
- LinkUtilities.cs
- HttpTransportBindingElement.cs
- EntityCommandExecutionException.cs
- IPPacketInformation.cs
- MessageSmuggler.cs
- ConfigErrorGlyph.cs
- ScriptMethodAttribute.cs
- TerminatorSinks.cs
- DataControlPagerLinkButton.cs
- ServiceModelSectionGroup.cs
- DynamicArgumentDesigner.xaml.cs
- ReadOnlyCollectionBase.cs
- SynchronizationValidator.cs
- TypeUtil.cs
- UnauthorizedAccessException.cs
- TemplateBindingExpression.cs
- GroupBoxRenderer.cs
- IsolatedStorage.cs
- Vector3DAnimationBase.cs
- XmlSchemaExporter.cs
- ActivityExecutorDelegateInfo.cs
- Slider.cs
- Internal.cs
- ItemCollection.cs
- DataError.cs
- Base64Decoder.cs
- ContractCodeDomInfo.cs
- Propagator.ExtentPlaceholderCreator.cs
- Point3DCollection.cs
- GlyphRun.cs
- SpecialFolderEnumConverter.cs
- TransactionInformation.cs
- ProcessHost.cs
- PropertySourceInfo.cs
- PageRequestManager.cs
- PropertyDescriptorCollection.cs
- HostnameComparisonMode.cs
- BindingSource.cs
- sapiproxy.cs
- MasterPageParser.cs
- returneventsaver.cs
- FixedHighlight.cs
- ListViewItem.cs
- XmlSchemaSimpleContentExtension.cs
- UriWriter.cs
- PageParser.cs
- HMACSHA512.cs
- ImageIndexConverter.cs
- ConstrainedDataObject.cs
- RelatedView.cs
- SettingsContext.cs
- ForeignKeyConstraint.cs
- ListControlDesigner.cs
- EntityConnectionStringBuilderItem.cs
- GenericParameterDataContract.cs
- TypeGeneratedEventArgs.cs
- ProvidePropertyAttribute.cs
- XmlEncoding.cs
- WebPartCloseVerb.cs
- SQlBooleanStorage.cs
- X509WindowsSecurityToken.cs
- ControlAdapter.cs
- ArraySet.cs
- AssociationType.cs
- NumericPagerField.cs
- EntitySetBaseCollection.cs
- ListViewGroupConverter.cs
- FtpWebResponse.cs
- BulletedListEventArgs.cs
- UIElement.cs
- RepeatBehaviorConverter.cs