Code:
/ DotNET / DotNET / 8.0 / untmp / whidbey / REDBITS / ndp / fx / src / xsp / System / Web / UI / WebParts / ErrorWebPart.cs / 1 / ErrorWebPart.cs
//------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- namespace System.Web.UI.WebControls.WebParts { using System; using System.Collections; using System.ComponentModel; using System.Drawing; using System.Globalization; using System.Security.Permissions; using System.Web.UI; using System.Web.UI.WebControls; using System.Web.Util; [ ToolboxItem(false) ] [AspNetHostingPermission(SecurityAction.LinkDemand, Level=AspNetHostingPermissionLevel.Minimal)] [AspNetHostingPermission(SecurityAction.InheritanceDemand, Level=AspNetHostingPermissionLevel.Minimal)] public class ErrorWebPart : ProxyWebPart, ITrackingPersonalizable { private string _errorMessage; // No constructor that takes a WebPart, since we ony use the ErrorWebPart when the original // WebPart could not be instantiated. public ErrorWebPart(string originalID, string originalTypeName, string originalPath, string genericWebPartID) : base(originalID, originalTypeName, originalPath, genericWebPartID) { } public string ErrorMessage { get { return (_errorMessage != null) ? _errorMessage : String.Empty; } set { _errorMessage = value; } } protected override void AddAttributesToRender(HtmlTextWriter writer) { WebPartZoneBase zone = Zone; if (zone != null && !zone.ErrorStyle.IsEmpty) { zone.ErrorStyle.AddAttributesToRender(writer, this); } base.AddAttributesToRender(writer); } // Can be overridden by derived classes to set properties protected virtual void EndLoadPersonalization() { // We don't really need to set AllowEdit, since EditorPart.Display has // a special case for ErrorWebPart. However, let's set it to false anyway // for consistency. AllowEdit = false; // We want to force the user to see the ErrorWebPart, and we don't want to allow // them to hide or minimize it. ChromeState = PartChromeState.Normal; Hidden = false; AllowHide = false; AllowMinimize = false; // There is no reason to allow exporting an ErrorWebPart. ExportMode = WebPartExportMode.None; // We never call IsAuthorized() on ErrorWebParts, so there is no reason for // AuthorizationFilter to be set. AuthorizationFilter = String.Empty; } protected internal override void RenderContents(HtmlTextWriter writer) { string errorMessage = ErrorMessage; if (!String.IsNullOrEmpty(errorMessage)) { writer.WriteEncodedText(SR.GetString(SR.ErrorWebPart_ErrorText, errorMessage)); } } #region ITrackingPersonalizable implementation // It doesn't really matter what we return from this property, since this codepath will // never be reached for the ErrorWebPart. However, we return true since we will never need // the framework to diff our properties. bool ITrackingPersonalizable.TracksChanges { get { return true; } } void ITrackingPersonalizable.BeginLoad() { } void ITrackingPersonalizable.BeginSave() { } void ITrackingPersonalizable.EndLoad() { EndLoadPersonalization(); } void ITrackingPersonalizable.EndSave() { } #endregion } }
Link Menu
This book is available now!
Buy at Amazon US or
Buy at Amazon UK
- EventManager.cs
- WSHttpBindingCollectionElement.cs
- BaseParaClient.cs
- DbConnectionPool.cs
- EmptyControlCollection.cs
- XamlToRtfParser.cs
- SafeSecurityHelper.cs
- MemberPathMap.cs
- KeyValueSerializer.cs
- LoginView.cs
- SpellerError.cs
- QilStrConcatenator.cs
- StyleCollection.cs
- ValueUtilsSmi.cs
- FtpRequestCacheValidator.cs
- Border.cs
- DuplexClientBase.cs
- MobileTextWriter.cs
- RectangleGeometry.cs
- PngBitmapDecoder.cs
- XmlNodeChangedEventArgs.cs
- ProviderUtil.cs
- SessionEndedEventArgs.cs
- UnsafePeerToPeerMethods.cs
- PreviewControlDesigner.cs
- IPAddressCollection.cs
- XamlTreeBuilder.cs
- PathGeometry.cs
- ImageList.cs
- Substitution.cs
- coordinatorscratchpad.cs
- WebPartDisplayModeCollection.cs
- SqlDataSourceQueryEditorForm.cs
- WsatTransactionFormatter.cs
- CellTreeNode.cs
- SspiWrapper.cs
- OdbcCommandBuilder.cs
- OutOfMemoryException.cs
- ModelItemImpl.cs
- EventLogWatcher.cs
- DataControlFieldCollection.cs
- DataColumnChangeEvent.cs
- elementinformation.cs
- ConfigXmlElement.cs
- HttpFileCollection.cs
- Int16Storage.cs
- DbLambda.cs
- HttpException.cs
- XmlNamedNodeMap.cs
- OdbcConnectionStringbuilder.cs
- MaskedTextBoxDesigner.cs
- XPathBuilder.cs
- StructuralType.cs
- WebHeaderCollection.cs
- StatusBarPanelClickEvent.cs
- SatelliteContractVersionAttribute.cs
- CodeMethodInvokeExpression.cs
- DefaultTextStore.cs
- DataGridViewSelectedCellCollection.cs
- DataSourceCacheDurationConverter.cs
- RecordsAffectedEventArgs.cs
- QueryCacheManager.cs
- PathGeometry.cs
- CatalogPartChrome.cs
- SoundPlayer.cs
- DataGridViewTextBoxEditingControl.cs
- AnimationException.cs
- PowerStatus.cs
- HttpModulesSection.cs
- WmlTextViewAdapter.cs
- MetadataItemSerializer.cs
- SerialErrors.cs
- CodeDelegateCreateExpression.cs
- RecordConverter.cs
- UnsafeNativeMethods.cs
- MenuItemStyleCollection.cs
- OleDbParameter.cs
- XmlnsPrefixAttribute.cs
- AuthenticationConfig.cs
- CachingParameterInspector.cs
- TagPrefixCollection.cs
- RowsCopiedEventArgs.cs
- CodeParameterDeclarationExpression.cs
- ReflectionTypeLoadException.cs
- AxisAngleRotation3D.cs
- OdbcConnectionOpen.cs
- ReadOnlyDataSourceView.cs
- HyperLinkField.cs
- Win32MouseDevice.cs
- EnumValidator.cs
- WebPartExportVerb.cs
- CellQuery.cs
- InternalConfigEventArgs.cs
- ComboBoxDesigner.cs
- ToolboxDataAttribute.cs
- GridItemProviderWrapper.cs
- PixelFormats.cs
- MappingException.cs
- ArglessEventHandlerProxy.cs
- StreamSecurityUpgradeInitiator.cs