Code:
/ Net / Net / 3.5.50727.3053 / DEVDIV / depot / DevDiv / releases / whidbey / netfxsp / ndp / fx / src / xsp / System / Web / UI / WebControls / DataKey.cs / 1 / DataKey.cs
//------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- namespace System.Web.UI.WebControls { using System; using System.Collections; using System.Collections.Specialized; using System.Security.Permissions; ////// [AspNetHostingPermission(SecurityAction.LinkDemand, Level=AspNetHostingPermissionLevel.Minimal)] [AspNetHostingPermission(SecurityAction.InheritanceDemand, Level=AspNetHostingPermissionLevel.Minimal)] public class DataKey : IStateManager { private IOrderedDictionary _keyTable; private bool _isTracking; private string[] _keyNames; public DataKey(IOrderedDictionary keyTable) { _keyTable = keyTable; } public DataKey(IOrderedDictionary keyTable, string[] keyNames) : this(keyTable) { _keyNames = keyNames; } ////// Inheritable overridable implementation of IsTrackingViewState /// protected virtual bool IsTrackingViewState { get { return _isTracking; } } public virtual object this[int index] { get { return _keyTable[index]; } } public virtual object this[string name] { get { return _keyTable[name]; } } public virtual object Value { get { if (_keyTable.Count > 0) { return _keyTable[0]; } return null; } } public virtual IOrderedDictionary Values { get { if (_keyTable is OrderedDictionary) { return ((OrderedDictionary)_keyTable).AsReadOnly(); } // don't return the actual table because we don't want the user to mess with it. if (_keyTable is ICloneable) { return (IOrderedDictionary)((ICloneable)_keyTable).Clone(); } OrderedDictionary table = new OrderedDictionary(); foreach (DictionaryEntry entry in _keyTable) { table.Add(entry.Key, entry.Value); } return table.AsReadOnly(); } } ////// Inheritable overridable implementation of LoadViewState /// protected virtual void LoadViewState(object state) { if (state != null) { if (_keyNames != null) { object [] myState = (object [])state; // if we have key names, then we only stored values. if (myState[0] != null) { for (int i = 0; i < myState.Length && i < _keyNames.Length; i++) { _keyTable.Add(_keyNames[i], myState[i]); } } } else { if (state != null) { ArrayList stateArrayList = state as ArrayList; if (stateArrayList == null) { throw new HttpException(SR.GetString(SR.ViewState_InvalidViewState)); } OrderedDictionaryStateHelper.LoadViewState(_keyTable, stateArrayList); } } } } ////// Inheritable overridable implementation of SaveViewState /// protected virtual object SaveViewState() { int count = _keyTable.Count; if (count > 0) { object myState; if (_keyNames != null) { // if we have key names, then we only have to store values. myState = new object[count]; for (int i = 0; i < count; i++) { ((object[])myState)[i] = _keyTable[i]; } } else { myState = OrderedDictionaryStateHelper.SaveViewState(_keyTable); } return myState; } return null; } ////// Inheritable overridable implementation of TrackViewState /// protected virtual void TrackViewState() { _isTracking = true; } #region IStateManager implementation ///bool IStateManager.IsTrackingViewState { get { return IsTrackingViewState; } } /// void IStateManager.LoadViewState(object state) { LoadViewState(state); } /// object IStateManager.SaveViewState() { return SaveViewState(); } /// void IStateManager.TrackViewState() { TrackViewState(); } #endregion } } // 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.Collections; using System.Collections.Specialized; using System.Security.Permissions; ////// [AspNetHostingPermission(SecurityAction.LinkDemand, Level=AspNetHostingPermissionLevel.Minimal)] [AspNetHostingPermission(SecurityAction.InheritanceDemand, Level=AspNetHostingPermissionLevel.Minimal)] public class DataKey : IStateManager { private IOrderedDictionary _keyTable; private bool _isTracking; private string[] _keyNames; public DataKey(IOrderedDictionary keyTable) { _keyTable = keyTable; } public DataKey(IOrderedDictionary keyTable, string[] keyNames) : this(keyTable) { _keyNames = keyNames; } ////// Inheritable overridable implementation of IsTrackingViewState /// protected virtual bool IsTrackingViewState { get { return _isTracking; } } public virtual object this[int index] { get { return _keyTable[index]; } } public virtual object this[string name] { get { return _keyTable[name]; } } public virtual object Value { get { if (_keyTable.Count > 0) { return _keyTable[0]; } return null; } } public virtual IOrderedDictionary Values { get { if (_keyTable is OrderedDictionary) { return ((OrderedDictionary)_keyTable).AsReadOnly(); } // don't return the actual table because we don't want the user to mess with it. if (_keyTable is ICloneable) { return (IOrderedDictionary)((ICloneable)_keyTable).Clone(); } OrderedDictionary table = new OrderedDictionary(); foreach (DictionaryEntry entry in _keyTable) { table.Add(entry.Key, entry.Value); } return table.AsReadOnly(); } } ////// Inheritable overridable implementation of LoadViewState /// protected virtual void LoadViewState(object state) { if (state != null) { if (_keyNames != null) { object [] myState = (object [])state; // if we have key names, then we only stored values. if (myState[0] != null) { for (int i = 0; i < myState.Length && i < _keyNames.Length; i++) { _keyTable.Add(_keyNames[i], myState[i]); } } } else { if (state != null) { ArrayList stateArrayList = state as ArrayList; if (stateArrayList == null) { throw new HttpException(SR.GetString(SR.ViewState_InvalidViewState)); } OrderedDictionaryStateHelper.LoadViewState(_keyTable, stateArrayList); } } } } ////// Inheritable overridable implementation of SaveViewState /// protected virtual object SaveViewState() { int count = _keyTable.Count; if (count > 0) { object myState; if (_keyNames != null) { // if we have key names, then we only have to store values. myState = new object[count]; for (int i = 0; i < count; i++) { ((object[])myState)[i] = _keyTable[i]; } } else { myState = OrderedDictionaryStateHelper.SaveViewState(_keyTable); } return myState; } return null; } ////// Inheritable overridable implementation of TrackViewState /// protected virtual void TrackViewState() { _isTracking = true; } #region IStateManager implementation ///bool IStateManager.IsTrackingViewState { get { return IsTrackingViewState; } } /// void IStateManager.LoadViewState(object state) { LoadViewState(state); } /// object IStateManager.SaveViewState() { return SaveViewState(); } /// void IStateManager.TrackViewState() { TrackViewState(); } #endregion } } // 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
- WebServiceTypeData.cs
- LinqDataSourceInsertEventArgs.cs
- BaseTemplateBuildProvider.cs
- BulletChrome.cs
- Sql8ConformanceChecker.cs
- Geometry.cs
- TrackBarRenderer.cs
- NamedObject.cs
- ErrorReporting.cs
- IntSecurity.cs
- PropertyEntry.cs
- SerializationHelper.cs
- TextSelectionProcessor.cs
- NameSpaceEvent.cs
- Regex.cs
- DataGridRow.cs
- AutomationElement.cs
- SqlCacheDependencyDatabase.cs
- TextBreakpoint.cs
- TraceRecord.cs
- SplitterDesigner.cs
- ConfigXmlElement.cs
- SkewTransform.cs
- ValueQuery.cs
- LocalizationParserHooks.cs
- LayoutInformation.cs
- EntityTemplateUserControl.cs
- TdsParserSessionPool.cs
- Polyline.cs
- CategoryNameCollection.cs
- CharEntityEncoderFallback.cs
- DbProviderSpecificTypePropertyAttribute.cs
- ToolStripPanel.cs
- SoapObjectWriter.cs
- ReachDocumentPageSerializerAsync.cs
- ControlLocalizer.cs
- MailMessageEventArgs.cs
- RenamedEventArgs.cs
- GlyphsSerializer.cs
- HorizontalAlignConverter.cs
- DefaultEventAttribute.cs
- StringStorage.cs
- CachedPathData.cs
- CapiHashAlgorithm.cs
- ResXResourceWriter.cs
- GridViewAutomationPeer.cs
- ResourceDisplayNameAttribute.cs
- ScriptingRoleServiceSection.cs
- RC2CryptoServiceProvider.cs
- WebException.cs
- ContainsRowNumberChecker.cs
- GuidelineSet.cs
- RichTextBoxAutomationPeer.cs
- ColorContext.cs
- DataGridViewBand.cs
- PackageProperties.cs
- WmlObjectListAdapter.cs
- SafeEventLogWriteHandle.cs
- XmlCDATASection.cs
- EntityRecordInfo.cs
- VBIdentifierDesigner.xaml.cs
- TripleDES.cs
- WebPartVerbCollection.cs
- ScriptManagerProxy.cs
- InternalControlCollection.cs
- DetailsViewDeleteEventArgs.cs
- InvokeMethodDesigner.xaml.cs
- DataGridViewBand.cs
- RepeatButtonAutomationPeer.cs
- ScaleTransform.cs
- StringSorter.cs
- XPathDocumentIterator.cs
- ParagraphResult.cs
- PingReply.cs
- Oid.cs
- xmlsaver.cs
- UserControlCodeDomTreeGenerator.cs
- BasicKeyConstraint.cs
- DynamicValidator.cs
- XmlSchemaAppInfo.cs
- DictionaryGlobals.cs
- activationcontext.cs
- BaseHashHelper.cs
- LinqDataSourceHelper.cs
- DocumentPage.cs
- BooleanKeyFrameCollection.cs
- SHA1Managed.cs
- QilUnary.cs
- ContentElement.cs
- ViewManagerAttribute.cs
- ListManagerBindingsCollection.cs
- LiteralControl.cs
- ToolboxComponentsCreatedEventArgs.cs
- Utils.cs
- ListControlDesigner.cs
- PropertyChangedEventArgs.cs
- HierarchicalDataBoundControlAdapter.cs
- ControlBindingsCollection.cs
- SmiEventSink_DeferedProcessing.cs
- ArrayElementGridEntry.cs