Code:
/ Net / Net / 3.5.50727.3053 / DEVDIV / depot / DevDiv / releases / whidbey / netfxsp / ndp / fx / src / xsp / System / Web / UI / HtmlControls / HtmlInputCheckBox.cs / 1 / HtmlInputCheckBox.cs
//------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- /* * HtmlInputCheckBox.cs * * Copyright (c) 2000 Microsoft Corporation */ namespace System.Web.UI.HtmlControls { using System.ComponentModel; using System; using System.Collections; using System.Collections.Specialized; using System.Globalization; using System.Web; using System.Web.UI; using System.Security.Permissions; ////// [ DefaultEvent("ServerChange"), SupportsEventValidation, ] [AspNetHostingPermission(SecurityAction.LinkDemand, Level=AspNetHostingPermissionLevel.Minimal)] [AspNetHostingPermission(SecurityAction.InheritanceDemand, Level=AspNetHostingPermissionLevel.Minimal)] public class HtmlInputCheckBox : HtmlInputControl, IPostBackDataHandler { private static readonly object EventServerChange = new object(); /* * Creates an intrinsic Html INPUT type=checkbox control. */ ////// The ///class defines the methods, /// properties, and events for the HtmlInputCheckBox control. This class allows /// programmatic access to the HTML <input type= /// checkbox> /// element on the server. /// /// public HtmlInputCheckBox() : base("checkbox") { } /* * Checked property. */ ///Initializes a new instance of a ///class. /// [ WebCategory("Default"), DefaultValue(""), DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden), TypeConverter(typeof(MinimizableAttributeTypeConverter)) ] public bool Checked { get { string s = Attributes["checked"]; return((s != null) ? (s.Equals("checked")) : false); } set { if (value) Attributes["checked"] = "checked"; else Attributes["checked"] = null; } } /* * Adds an event handler for the OnServerChange event. * value: New handler to install for this event. */ ///Gets or sets a value indicating whether the checkbox is /// currently selected. ////// [ WebCategory("Action"), WebSysDescription(SR.Control_OnServerCheckChanged) ] public event EventHandler ServerChange { add { Events.AddHandler(EventServerChange, value); } remove { Events.RemoveHandler(EventServerChange, value); } } /* * This method is invoked just prior to rendering. */ ///Occurs when ////// /// protected internal override void OnPreRender(EventArgs e) { base.OnPreRender(e); if (Page != null && !Disabled) { Page.RegisterRequiresPostBack(this); Page.RegisterEnabledControl(this); } // if no change handler, no need to save posted property unless // we are disabled if (Events[EventServerChange] == null && !Disabled) { ViewState.SetItemDirty("checked",false); } } /* * Method used to raise the OnServerChange event. */ ////// protected virtual void OnServerChange(EventArgs e) { // invoke delegates AFTER binding EventHandler handler = (EventHandler)Events[EventServerChange]; if (handler != null) handler(this, e); } /* * Method of IPostBackDataHandler interface to process posted data. * Checkbox determines the posted Checked state. */ ///[To be supplied.] ///bool IPostBackDataHandler.LoadPostData(string postDataKey, NameValueCollection postCollection) { return LoadPostData(postDataKey, postCollection); } /// protected virtual bool LoadPostData(string postDataKey, NameValueCollection postCollection) { string post = postCollection[postDataKey]; bool newValue = !String.IsNullOrEmpty(post); bool valueChanged = (newValue != Checked); Checked = newValue; if (newValue) { ValidateEvent(postDataKey); } return valueChanged; } protected override void RenderAttributes(HtmlTextWriter writer) { base.RenderAttributes(writer); if (Page != null) { Page.ClientScript.RegisterForEventValidation(RenderedNameAttribute); } } /* [AspNetHostingPermission(SecurityAction.LinkDemand, Level=AspNetHostingPermissionLevel.Minimal)] [AspNetHostingPermission(SecurityAction.InheritanceDemand, Level=AspNetHostingPermissionLevel.Minimal)] * Method of IPostBackDataHandler interface which is invoked whenever * posted data for a control has changed. RadioButton fires an * OnServerChange event. */ /// void IPostBackDataHandler.RaisePostDataChangedEvent() { RaisePostDataChangedEvent(); } /// protected virtual void RaisePostDataChangedEvent() { OnServerChange(EventArgs.Empty); } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. //------------------------------------------------------------------------------ // // Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- /* * HtmlInputCheckBox.cs * * Copyright (c) 2000 Microsoft Corporation */ namespace System.Web.UI.HtmlControls { using System.ComponentModel; using System; using System.Collections; using System.Collections.Specialized; using System.Globalization; using System.Web; using System.Web.UI; using System.Security.Permissions; ////// [ DefaultEvent("ServerChange"), SupportsEventValidation, ] [AspNetHostingPermission(SecurityAction.LinkDemand, Level=AspNetHostingPermissionLevel.Minimal)] [AspNetHostingPermission(SecurityAction.InheritanceDemand, Level=AspNetHostingPermissionLevel.Minimal)] public class HtmlInputCheckBox : HtmlInputControl, IPostBackDataHandler { private static readonly object EventServerChange = new object(); /* * Creates an intrinsic Html INPUT type=checkbox control. */ ////// The ///class defines the methods, /// properties, and events for the HtmlInputCheckBox control. This class allows /// programmatic access to the HTML <input type= /// checkbox> /// element on the server. /// /// public HtmlInputCheckBox() : base("checkbox") { } /* * Checked property. */ ///Initializes a new instance of a ///class. /// [ WebCategory("Default"), DefaultValue(""), DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden), TypeConverter(typeof(MinimizableAttributeTypeConverter)) ] public bool Checked { get { string s = Attributes["checked"]; return((s != null) ? (s.Equals("checked")) : false); } set { if (value) Attributes["checked"] = "checked"; else Attributes["checked"] = null; } } /* * Adds an event handler for the OnServerChange event. * value: New handler to install for this event. */ ///Gets or sets a value indicating whether the checkbox is /// currently selected. ////// [ WebCategory("Action"), WebSysDescription(SR.Control_OnServerCheckChanged) ] public event EventHandler ServerChange { add { Events.AddHandler(EventServerChange, value); } remove { Events.RemoveHandler(EventServerChange, value); } } /* * This method is invoked just prior to rendering. */ ///Occurs when ////// /// protected internal override void OnPreRender(EventArgs e) { base.OnPreRender(e); if (Page != null && !Disabled) { Page.RegisterRequiresPostBack(this); Page.RegisterEnabledControl(this); } // if no change handler, no need to save posted property unless // we are disabled if (Events[EventServerChange] == null && !Disabled) { ViewState.SetItemDirty("checked",false); } } /* * Method used to raise the OnServerChange event. */ ////// protected virtual void OnServerChange(EventArgs e) { // invoke delegates AFTER binding EventHandler handler = (EventHandler)Events[EventServerChange]; if (handler != null) handler(this, e); } /* * Method of IPostBackDataHandler interface to process posted data. * Checkbox determines the posted Checked state. */ ///[To be supplied.] ///bool IPostBackDataHandler.LoadPostData(string postDataKey, NameValueCollection postCollection) { return LoadPostData(postDataKey, postCollection); } /// protected virtual bool LoadPostData(string postDataKey, NameValueCollection postCollection) { string post = postCollection[postDataKey]; bool newValue = !String.IsNullOrEmpty(post); bool valueChanged = (newValue != Checked); Checked = newValue; if (newValue) { ValidateEvent(postDataKey); } return valueChanged; } protected override void RenderAttributes(HtmlTextWriter writer) { base.RenderAttributes(writer); if (Page != null) { Page.ClientScript.RegisterForEventValidation(RenderedNameAttribute); } } /* [AspNetHostingPermission(SecurityAction.LinkDemand, Level=AspNetHostingPermissionLevel.Minimal)] [AspNetHostingPermission(SecurityAction.InheritanceDemand, Level=AspNetHostingPermissionLevel.Minimal)] * Method of IPostBackDataHandler interface which is invoked whenever * posted data for a control has changed. RadioButton fires an * OnServerChange event. */ /// void IPostBackDataHandler.RaisePostDataChangedEvent() { RaisePostDataChangedEvent(); } /// protected virtual void RaisePostDataChangedEvent() { OnServerChange(EventArgs.Empty); } } } // 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
- PackUriHelper.cs
- ReadOnlyCollection.cs
- Message.cs
- ParameterEditorUserControl.cs
- DataGridItemAttachedStorage.cs
- StructuredCompositeActivityDesigner.cs
- XmlBinaryReader.cs
- TemplateManager.cs
- VSWCFServiceContractGenerator.cs
- DoubleUtil.cs
- DispatcherEventArgs.cs
- TranslateTransform.cs
- XmlSchemaChoice.cs
- Queue.cs
- XmlDesignerDataSourceView.cs
- FloaterBaseParagraph.cs
- UniqueEventHelper.cs
- ConfigsHelper.cs
- PartialCachingAttribute.cs
- LoginName.cs
- WeakKeyDictionary.cs
- HttpCapabilitiesSectionHandler.cs
- MultiByteCodec.cs
- ServiceOperationInfoTypeConverter.cs
- CircleHotSpot.cs
- PropertyValueChangedEvent.cs
- PasswordTextNavigator.cs
- HttpRequest.cs
- CreateCardRequest.cs
- EventlogProvider.cs
- WindowsScrollBar.cs
- Point.cs
- SignedPkcs7.cs
- VersionValidator.cs
- HttpHandler.cs
- CodeNamespaceImport.cs
- BufferedGraphicsManager.cs
- SecurityResources.cs
- CurrencyWrapper.cs
- PropertyInformation.cs
- DebugViewWriter.cs
- CompositeScriptReference.cs
- WindowsStatusBar.cs
- BezierSegment.cs
- AuthStoreRoleProvider.cs
- DecoderBestFitFallback.cs
- XmlDataLoader.cs
- TemplateControlCodeDomTreeGenerator.cs
- PropertyValueUIItem.cs
- TemporaryBitmapFile.cs
- UInt64.cs
- DecoderReplacementFallback.cs
- DataGridViewCellStateChangedEventArgs.cs
- ServiceContractDetailViewControl.cs
- RectAnimation.cs
- ObjectDataSourceFilteringEventArgs.cs
- TypedAsyncResult.cs
- PropertyDescriptorComparer.cs
- Attachment.cs
- ComplexType.cs
- WindowsMenu.cs
- XmlMemberMapping.cs
- SchemaImporter.cs
- TraceHandlerErrorFormatter.cs
- SelectedDatesCollection.cs
- Debugger.cs
- WindowsBrush.cs
- Int64Storage.cs
- DecimalAnimationBase.cs
- TransactionWaitAsyncResult.cs
- FixedPageProcessor.cs
- StylusPointPropertyId.cs
- CancellationState.cs
- PagerSettings.cs
- Switch.cs
- ClientTargetCollection.cs
- SymmetricKeyWrap.cs
- ConnectionManagementElement.cs
- MimeMultiPart.cs
- MenuItemCollection.cs
- NameGenerator.cs
- Calendar.cs
- ProtocolElementCollection.cs
- TaskHelper.cs
- ActivityDefaults.cs
- BackStopAuthenticationModule.cs
- ServiceHostingEnvironment.cs
- XmlObjectSerializer.cs
- FixedTextBuilder.cs
- TimeoutConverter.cs
- IndependentAnimationStorage.cs
- SchemaSetCompiler.cs
- PageWrapper.cs
- ChildChangedEventArgs.cs
- ConstructorArgumentAttribute.cs
- __Filters.cs
- SpotLight.cs
- TrackingMemoryStreamFactory.cs
- TextParagraphProperties.cs
- MasterPageCodeDomTreeGenerator.cs