Code:
/ 4.0 / 4.0 / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / fx / src / xsp / System / Web / UI / WebControls / DataBoundControlHelper.cs / 1305376 / DataBoundControlHelper.cs
//------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- namespace System.Web.UI.WebControls { using System; using System.Collections; using System.Collections.Specialized; using System.ComponentModel; using System.Data; using System.Security.Permissions; using System.Web.Util; ////// Helper class for DataBoundControls and v1 data controls. /// This is also used by ControlParameter to find its associated /// control. /// internal static class DataBoundControlHelper { ////// Walks up the stack of NamingContainers starting at 'control' to find a control with the ID 'controlID'. /// public static Control FindControl(Control control, string controlID) { Debug.Assert(control != null, "control should not be null"); Debug.Assert(!String.IsNullOrEmpty(controlID), "controlID should not be empty"); Control currentContainer = control; Control foundControl = null; if (control == control.Page) { // If we get to the Page itself while we're walking up the // hierarchy, just return whatever item we find (if anything) // since we can't walk any higher. return control.FindControl(controlID); } while (foundControl == null && currentContainer != control.Page) { currentContainer = currentContainer.NamingContainer; if (currentContainer == null) { throw new HttpException(SR.GetString(SR.DataBoundControlHelper_NoNamingContainer, control.GetType().Name, control.ID)); } foundControl = currentContainer.FindControl(controlID); } return foundControl; } ///// return true if the two string arrays have the same members /// public static bool CompareStringArrays(string[] stringA, string[] stringB) { if (stringA == null && stringB == null) { return true; } if (stringA == null || stringB == null) { return false; } if (stringA.Length != stringB.Length) { return false; } for (int i = 0; i < stringA.Length; i++) { if (!String.Equals(stringA[i], stringB[i], StringComparison.Ordinal)) { return false; } } return true; } // Returns true for types that can be automatically databound in controls such as // GridView and DetailsView. Bindable types are simple types, such as primitives, strings, // and nullable primitives. public static bool IsBindableType(Type type) { if (type == null) { return false; } Type underlyingType = Nullable.GetUnderlyingType(type); if (underlyingType != null) { // If the type is Nullable then it has an underlying type, in which case // we want to check the underlying type for bindability. type = underlyingType; } return (type.IsPrimitive || (type == typeof(string)) || (type == typeof(DateTime)) || (type == typeof(Decimal)) || (type == typeof(Guid)) || // support for new SqlServer 2008 types: (type == typeof(DateTimeOffset)) || (type == typeof(TimeSpan))); } internal static void ExtractValuesFromBindableControls(IOrderedDictionary dictionary, Control container) { IBindableControl bindableControl = container as IBindableControl; if (bindableControl != null) { bindableControl.ExtractValues(dictionary); } foreach (Control childControl in container.Controls) { ExtractValuesFromBindableControls(dictionary, childControl); } } } } // 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.ComponentModel; using System.Data; using System.Security.Permissions; using System.Web.Util; ////// Helper class for DataBoundControls and v1 data controls. /// This is also used by ControlParameter to find its associated /// control. /// internal static class DataBoundControlHelper { ////// Walks up the stack of NamingContainers starting at 'control' to find a control with the ID 'controlID'. /// public static Control FindControl(Control control, string controlID) { Debug.Assert(control != null, "control should not be null"); Debug.Assert(!String.IsNullOrEmpty(controlID), "controlID should not be empty"); Control currentContainer = control; Control foundControl = null; if (control == control.Page) { // If we get to the Page itself while we're walking up the // hierarchy, just return whatever item we find (if anything) // since we can't walk any higher. return control.FindControl(controlID); } while (foundControl == null && currentContainer != control.Page) { currentContainer = currentContainer.NamingContainer; if (currentContainer == null) { throw new HttpException(SR.GetString(SR.DataBoundControlHelper_NoNamingContainer, control.GetType().Name, control.ID)); } foundControl = currentContainer.FindControl(controlID); } return foundControl; } ///// return true if the two string arrays have the same members /// public static bool CompareStringArrays(string[] stringA, string[] stringB) { if (stringA == null && stringB == null) { return true; } if (stringA == null || stringB == null) { return false; } if (stringA.Length != stringB.Length) { return false; } for (int i = 0; i < stringA.Length; i++) { if (!String.Equals(stringA[i], stringB[i], StringComparison.Ordinal)) { return false; } } return true; } // Returns true for types that can be automatically databound in controls such as // GridView and DetailsView. Bindable types are simple types, such as primitives, strings, // and nullable primitives. public static bool IsBindableType(Type type) { if (type == null) { return false; } Type underlyingType = Nullable.GetUnderlyingType(type); if (underlyingType != null) { // If the type is Nullable then it has an underlying type, in which case // we want to check the underlying type for bindability. type = underlyingType; } return (type.IsPrimitive || (type == typeof(string)) || (type == typeof(DateTime)) || (type == typeof(Decimal)) || (type == typeof(Guid)) || // support for new SqlServer 2008 types: (type == typeof(DateTimeOffset)) || (type == typeof(TimeSpan))); } internal static void ExtractValuesFromBindableControls(IOrderedDictionary dictionary, Control container) { IBindableControl bindableControl = container as IBindableControl; if (bindableControl != null) { bindableControl.ExtractValues(dictionary); } foreach (Control childControl in container.Controls) { ExtractValuesFromBindableControls(dictionary, childControl); } } } } // 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
- DataServiceKeyAttribute.cs
- HideDisabledControlAdapter.cs
- SplashScreen.cs
- httpstaticobjectscollection.cs
- OdbcException.cs
- EntityTypeEmitter.cs
- PromptStyle.cs
- SQLGuid.cs
- SiteMapNodeCollection.cs
- RegexParser.cs
- WebPartConnectionsCloseVerb.cs
- AuthenticateEventArgs.cs
- Model3DGroup.cs
- OdbcConnectionHandle.cs
- ActivityCodeDomReferenceService.cs
- WpfKnownTypeInvoker.cs
- MemberRelationshipService.cs
- Helper.cs
- Transactions.cs
- ListViewAutomationPeer.cs
- TraceData.cs
- WSAddressing10ProblemHeaderQNameFault.cs
- _NTAuthentication.cs
- ForwardPositionQuery.cs
- Italic.cs
- FileLevelControlBuilderAttribute.cs
- DBPropSet.cs
- Rfc2898DeriveBytes.cs
- TemplateKeyConverter.cs
- ConfigurationConverterBase.cs
- baseaxisquery.cs
- TextParagraph.cs
- X509CertificateTokenFactoryCredential.cs
- SettingsAttributeDictionary.cs
- WebPartTracker.cs
- SQLConvert.cs
- DebugView.cs
- IncrementalHitTester.cs
- XmlComment.cs
- ProfessionalColors.cs
- ViewStateException.cs
- PrivilegedConfigurationManager.cs
- SystemInfo.cs
- ServiceSecurityAuditBehavior.cs
- FunctionGenerator.cs
- FormViewInsertEventArgs.cs
- MD5HashHelper.cs
- BitmapEffectState.cs
- webeventbuffer.cs
- FontInfo.cs
- SqlClientFactory.cs
- ScrollBar.cs
- EntityContainerEmitter.cs
- VisualProxy.cs
- WebPartZone.cs
- XmlAttribute.cs
- FileSecurity.cs
- IPHostEntry.cs
- MetaTable.cs
- CultureInfo.cs
- ColorInterpolationModeValidation.cs
- SoapIncludeAttribute.cs
- OleAutBinder.cs
- XPathSingletonIterator.cs
- ControlValuePropertyAttribute.cs
- DispatchChannelSink.cs
- ResourceExpressionBuilder.cs
- NativeMethods.cs
- LineBreak.cs
- SqlDataSourceDesigner.cs
- DetailsViewRowCollection.cs
- XmlDocumentFragment.cs
- Privilege.cs
- PtsCache.cs
- GridViewUpdatedEventArgs.cs
- TemplateControlCodeDomTreeGenerator.cs
- KnownColorTable.cs
- PropertyDescriptorCollection.cs
- PassportAuthentication.cs
- ConnectionProviderAttribute.cs
- RoleManagerSection.cs
- TrustManagerMoreInformation.cs
- VirtualDirectoryMapping.cs
- HierarchicalDataSourceControl.cs
- GCHandleCookieTable.cs
- UnsafeNativeMethods.cs
- ChannelManager.cs
- DataSourceProvider.cs
- SqlBuffer.cs
- DataGridViewHeaderCell.cs
- ConnectionConsumerAttribute.cs
- ContentPlaceHolderDesigner.cs
- TransportSecurityProtocol.cs
- SymbolMethod.cs
- MsmqHostedTransportConfiguration.cs
- IndicShape.cs
- SmtpException.cs
- ImageKeyConverter.cs
- RepeaterItemEventArgs.cs
- SafeArrayRankMismatchException.cs