Code:
/ Dotnetfx_Vista_SP2 / Dotnetfx_Vista_SP2 / 8.0.50727.4016 / DEVDIV / depot / DevDiv / releases / whidbey / NetFxQFE / ndp / fx / src / xsp / System / Web / UI / WebControls / DataControlLinkButton.cs / 1 / DataControlLinkButton.cs
//------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- namespace System.Web.UI.WebControls { using System; using System.Drawing; using System.Web.Util; ////// Derived version of LinkButton used within a DataControl. /// [SupportsEventValidation] internal class DataControlLinkButton : LinkButton { IPostBackContainer _container; string _callbackArgument; bool _enableCallback; internal DataControlLinkButton(IPostBackContainer container) { _container = container; } public override bool CausesValidation { get { if (_container != null) { return false; } return base.CausesValidation; } set { if (_container != null) { throw new NotSupportedException(SR.GetString(SR.CannotSetValidationOnDataControlButtons)); } base.CausesValidation = value; } } internal void EnableCallback(string argument) { _enableCallback = true; _callbackArgument = argument; } protected override PostBackOptions GetPostBackOptions() { if (_container != null) { return _container.GetPostBackOptions(this); } return base.GetPostBackOptions(); } protected internal override void Render(HtmlTextWriter writer) { SetCallbackProperties(); SetForeColor(); base.Render(writer); } private void SetCallbackProperties() { if (_enableCallback) { ICallbackContainer _callbackContainer = _container as ICallbackContainer; if (_callbackContainer != null) { string callbackScript = _callbackContainer.GetCallbackScript(this, _callbackArgument); if (!String.IsNullOrEmpty(callbackScript)) { this.OnClientClick = callbackScript; } } } } ////// In HTML hyperlinks always use the browser's link color. /// For the DataControl, we want all LinkButtons to honor the ForeColor setting. /// This requires looking up into the control hierarchy to see if either the cell /// or the containing row or table define a ForeColor. /// protected virtual void SetForeColor() { if (ControlStyle.IsSet(System.Web.UI.WebControls.Style.PROP_FORECOLOR) == false) { Color hyperLinkForeColor; Control control = this; for (int i = 0; i < 3; i++) { control = control.Parent; Debug.Assert(((i == 0) && (control is TableCell)) || ((i == 1) && (control is TableRow)) || ((i == 2) && (control is Table))); hyperLinkForeColor = ((WebControl)control).ForeColor; if (hyperLinkForeColor != Color.Empty) { ForeColor = hyperLinkForeColor; break; } } } } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. //------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- namespace System.Web.UI.WebControls { using System; using System.Drawing; using System.Web.Util; ////// Derived version of LinkButton used within a DataControl. /// [SupportsEventValidation] internal class DataControlLinkButton : LinkButton { IPostBackContainer _container; string _callbackArgument; bool _enableCallback; internal DataControlLinkButton(IPostBackContainer container) { _container = container; } public override bool CausesValidation { get { if (_container != null) { return false; } return base.CausesValidation; } set { if (_container != null) { throw new NotSupportedException(SR.GetString(SR.CannotSetValidationOnDataControlButtons)); } base.CausesValidation = value; } } internal void EnableCallback(string argument) { _enableCallback = true; _callbackArgument = argument; } protected override PostBackOptions GetPostBackOptions() { if (_container != null) { return _container.GetPostBackOptions(this); } return base.GetPostBackOptions(); } protected internal override void Render(HtmlTextWriter writer) { SetCallbackProperties(); SetForeColor(); base.Render(writer); } private void SetCallbackProperties() { if (_enableCallback) { ICallbackContainer _callbackContainer = _container as ICallbackContainer; if (_callbackContainer != null) { string callbackScript = _callbackContainer.GetCallbackScript(this, _callbackArgument); if (!String.IsNullOrEmpty(callbackScript)) { this.OnClientClick = callbackScript; } } } } ////// In HTML hyperlinks always use the browser's link color. /// For the DataControl, we want all LinkButtons to honor the ForeColor setting. /// This requires looking up into the control hierarchy to see if either the cell /// or the containing row or table define a ForeColor. /// protected virtual void SetForeColor() { if (ControlStyle.IsSet(System.Web.UI.WebControls.Style.PROP_FORECOLOR) == false) { Color hyperLinkForeColor; Control control = this; for (int i = 0; i < 3; i++) { control = control.Parent; Debug.Assert(((i == 0) && (control is TableCell)) || ((i == 1) && (control is TableRow)) || ((i == 2) && (control is Table))); hyperLinkForeColor = ((WebControl)control).ForeColor; if (hyperLinkForeColor != Color.Empty) { ForeColor = hyperLinkForeColor; break; } } } } } } // 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
- DbReferenceCollection.cs
- UserControl.cs
- WorkflowNamespace.cs
- Bezier.cs
- XmlNodeChangedEventArgs.cs
- ZoneLinkButton.cs
- SelectionPatternIdentifiers.cs
- LinearGradientBrush.cs
- SourceFileBuildProvider.cs
- HtmlString.cs
- JumpList.cs
- Transform.cs
- SqlNamer.cs
- RenderOptions.cs
- EntityDataSourceView.cs
- DiscoveryDocument.cs
- AdapterDictionary.cs
- EdmPropertyAttribute.cs
- AppendHelper.cs
- TextInfo.cs
- MULTI_QI.cs
- ObjectToken.cs
- HandlerBase.cs
- DocumentOrderQuery.cs
- FontUnit.cs
- XslVisitor.cs
- Variable.cs
- RTLAwareMessageBox.cs
- UnicodeEncoding.cs
- TemplateComponentConnector.cs
- ReturnType.cs
- DbBuffer.cs
- UriTemplateVariablePathSegment.cs
- ReplacementText.cs
- SqlTypeSystemProvider.cs
- ColorTranslator.cs
- PropertyInfoSet.cs
- NonClientArea.cs
- SoapConverter.cs
- DBCommandBuilder.cs
- StaticTextPointer.cs
- Converter.cs
- ItemDragEvent.cs
- MimeTypeMapper.cs
- SplitterPanel.cs
- XamlTypeMapperSchemaContext.cs
- DBAsyncResult.cs
- ValidationError.cs
- OAVariantLib.cs
- FlowLayoutPanelDesigner.cs
- ClassicBorderDecorator.cs
- Version.cs
- ScriptResourceHandler.cs
- PublisherIdentityPermission.cs
- DesignUtil.cs
- SqlUDTStorage.cs
- _NativeSSPI.cs
- DataGridViewRowStateChangedEventArgs.cs
- ByteAnimation.cs
- ComponentSerializationService.cs
- HttpFileCollection.cs
- PreservationFileReader.cs
- HttpListener.cs
- SchemaMerger.cs
- UnmanagedMemoryStreamWrapper.cs
- HttpListenerTimeoutManager.cs
- BitmapFrameDecode.cs
- ChangeConflicts.cs
- DropSource.cs
- httpapplicationstate.cs
- ListenerSessionConnectionReader.cs
- ObjectCloneHelper.cs
- ToolStripContentPanel.cs
- SqlFlattener.cs
- XmlSchemaAppInfo.cs
- InfoCard.cs
- ConvertTextFrag.cs
- Model3DGroup.cs
- CompoundFileReference.cs
- DataBindingHandlerAttribute.cs
- ClaimTypeRequirement.cs
- Misc.cs
- XmlBindingWorker.cs
- LinqDataSourceValidationException.cs
- DataGridCellEditEndingEventArgs.cs
- DelayLoadType.cs
- GridEntry.cs
- XPathChildIterator.cs
- SymbolEqualComparer.cs
- CallbackTimeoutsBehavior.cs
- MouseButtonEventArgs.cs
- FrameAutomationPeer.cs
- GridViewItemAutomationPeer.cs
- FormParameter.cs
- GenericsInstances.cs
- TokenBasedSet.cs
- SynchronizedPool.cs
- XmlAttributeCache.cs
- IndexerNameAttribute.cs
- HttpAsyncResult.cs