Code:
/ FXUpdate3074 / FXUpdate3074 / 1.1 / DEVDIV / depot / DevDiv / releases / whidbey / QFE / ndp / fx / src / xsp / System / Web / UI / WebControls / DataControlLinkButton.cs / 2 / 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. //------------------------------------------------------------------------------ //// 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.
Link Menu

This book is available now!
Buy at Amazon US or
Buy at Amazon UK
- SecurityCriticalDataForSet.cs
- WsatAdminException.cs
- BasicKeyConstraint.cs
- UrlAuthFailureHandler.cs
- SqlNamer.cs
- OracleInfoMessageEventArgs.cs
- ContentDisposition.cs
- PersianCalendar.cs
- ExtensionMethods.cs
- SvcMapFileSerializer.cs
- UrlParameterWriter.cs
- KeyNotFoundException.cs
- _DisconnectOverlappedAsyncResult.cs
- DataGridViewUtilities.cs
- RootBrowserWindowAutomationPeer.cs
- ContextCorrelationInitializer.cs
- PathSegment.cs
- AttachmentCollection.cs
- FileLogRecordHeader.cs
- ArrayTypeMismatchException.cs
- CreateBookmarkScope.cs
- WindowsIdentity.cs
- XmlWellformedWriter.cs
- WebPartCatalogCloseVerb.cs
- Funcletizer.cs
- ValidationError.cs
- CssStyleCollection.cs
- StylusPointProperties.cs
- DocumentAutomationPeer.cs
- DesignerDataSchemaClass.cs
- HtmlWindowCollection.cs
- DataGridState.cs
- EntityViewContainer.cs
- ApplicationSecurityManager.cs
- COM2Enum.cs
- ToRequest.cs
- XmlComment.cs
- StylusCaptureWithinProperty.cs
- SystemInformation.cs
- ControlPaint.cs
- ResourcePool.cs
- ObjectCache.cs
- DSGeneratorProblem.cs
- RecognizerInfo.cs
- DbProviderConfigurationHandler.cs
- BufferAllocator.cs
- QueryCacheKey.cs
- XsltCompileContext.cs
- XMLUtil.cs
- GlyphInfoList.cs
- ScriptResourceHandler.cs
- WindowsFormsEditorServiceHelper.cs
- SQLDouble.cs
- EncryptedPackage.cs
- StaticDataManager.cs
- XPathEmptyIterator.cs
- DiscardableAttribute.cs
- MappingMetadataHelper.cs
- FormsAuthenticationEventArgs.cs
- FlowLayoutPanel.cs
- DataGridViewColumnEventArgs.cs
- ValueCollectionParameterReader.cs
- BigInt.cs
- DataGridViewCellLinkedList.cs
- SID.cs
- TrimSurroundingWhitespaceAttribute.cs
- OracleRowUpdatingEventArgs.cs
- EntityFrameworkVersions.cs
- UriTemplateVariablePathSegment.cs
- RequiredFieldValidator.cs
- SmiConnection.cs
- PointAnimation.cs
- DataListItemCollection.cs
- DocumentCollection.cs
- InnerItemCollectionView.cs
- TouchFrameEventArgs.cs
- RolePrincipal.cs
- IInstanceTable.cs
- IODescriptionAttribute.cs
- EmptyElement.cs
- InvalidOleVariantTypeException.cs
- BufferBuilder.cs
- InputLanguageProfileNotifySink.cs
- WmlPhoneCallAdapter.cs
- XmlILConstructAnalyzer.cs
- WebBrowsableAttribute.cs
- ProfileBuildProvider.cs
- FormsAuthenticationUserCollection.cs
- CompatibleIComparer.cs
- FontStyleConverter.cs
- InputLangChangeRequestEvent.cs
- Maps.cs
- XPathArrayIterator.cs
- PrintSchema.cs
- WebPartZoneCollection.cs
- DataGridViewLinkColumn.cs
- PlacementWorkspace.cs
- XmlSequenceWriter.cs
- ADMembershipProvider.cs
- PlanCompilerUtil.cs