Code:
/ Dotnetfx_Win7_3.5.1 / Dotnetfx_Win7_3.5.1 / 3.5.1 / DEVDIV / depot / DevDiv / releases / whidbey / NetFXspW7 / 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
- RichTextBoxAutomationPeer.cs
- Wildcard.cs
- TemplateXamlTreeBuilder.cs
- TextLine.cs
- HwndMouseInputProvider.cs
- NetworkInformationException.cs
- SamlDelegatingWriter.cs
- XsltException.cs
- RegisteredDisposeScript.cs
- Window.cs
- SoapSchemaMember.cs
- TimeSpanStorage.cs
- MasterPage.cs
- SoapIgnoreAttribute.cs
- ProviderConnectionPointCollection.cs
- MouseGesture.cs
- MapPathBasedVirtualPathProvider.cs
- StateItem.cs
- OdbcCommandBuilder.cs
- SessionStateSection.cs
- ReferenceEqualityComparer.cs
- ExpressionBinding.cs
- PolicyDesigner.cs
- Literal.cs
- EnumConverter.cs
- RemoteCryptoTokenProvider.cs
- AutomationPropertyInfo.cs
- SequenceNumber.cs
- EntityKey.cs
- StrokeRenderer.cs
- xamlnodes.cs
- InternalResources.cs
- Win32NamedPipes.cs
- RelationshipManager.cs
- DataRelationCollection.cs
- WebPageTraceListener.cs
- AccessDataSourceView.cs
- WebPartConnectionsCancelVerb.cs
- SocketElement.cs
- PinnedBufferMemoryStream.cs
- TextBoxAutomationPeer.cs
- MissingFieldException.cs
- ProtocolsConfigurationEntry.cs
- ToolStripMenuItem.cs
- SQLBinary.cs
- System.Data_BID.cs
- Model3DGroup.cs
- HttpModulesSection.cs
- PeerConnector.cs
- ActiveDocumentEvent.cs
- Label.cs
- ExitEventArgs.cs
- DataObject.cs
- OLEDB_Util.cs
- URLString.cs
- GridViewDeletedEventArgs.cs
- RangeValueProviderWrapper.cs
- FrameworkElement.cs
- WorkflowInstanceExtensionCollection.cs
- TypeTypeConverter.cs
- RotateTransform3D.cs
- ConnectionConsumerAttribute.cs
- ClientSettingsProvider.cs
- FixedSOMLineCollection.cs
- ListBoxItemAutomationPeer.cs
- ColumnWidthChangingEvent.cs
- MultipartIdentifier.cs
- InsufficientMemoryException.cs
- PriorityQueue.cs
- ValueChangedEventManager.cs
- TypeGenericEnumerableViewSchema.cs
- SafeNativeMethods.cs
- RtType.cs
- WebPartConnectionsCancelVerb.cs
- OracleConnectionStringBuilder.cs
- XpsViewerException.cs
- ExtensionWindow.cs
- SmtpReplyReaderFactory.cs
- CompositionDesigner.cs
- EmptyStringExpandableObjectConverter.cs
- ObjectItemCachedAssemblyLoader.cs
- ApplicationServiceHelper.cs
- StrictModeSecurityHeaderElementInferenceEngine.cs
- MissingMethodException.cs
- PointKeyFrameCollection.cs
- ServiceDocumentFormatter.cs
- Point3DAnimation.cs
- ConnectionInterfaceCollection.cs
- IBuiltInEvidence.cs
- TypeTypeConverter.cs
- DataSourceHelper.cs
- QualificationDataItem.cs
- filewebresponse.cs
- SByte.cs
- PeerValidationBehavior.cs
- RepeatButton.cs
- MachinePropertyVariants.cs
- ValidationSummary.cs
- HtmlAnchor.cs
- BamlCollectionHolder.cs