Code:
/ DotNET / DotNET / 8.0 / untmp / whidbey / REDBITS / ndp / fx / src / xsp / System / Web / UI / WebControls / DataBoundControlHelper.cs / 2 / DataBoundControlHelper.cs
//------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- namespace System.Web.UI.WebControls { using System; using System.Collections; 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))); } } }
Link Menu
This book is available now!
Buy at Amazon US or
Buy at Amazon UK
- RegisteredHiddenField.cs
- AssemblyCollection.cs
- QuaternionAnimationUsingKeyFrames.cs
- Parallel.cs
- PeerNameRegistration.cs
- glyphs.cs
- OleDbRowUpdatedEvent.cs
- ModelTreeEnumerator.cs
- DesignerDataStoredProcedure.cs
- TrustLevel.cs
- CalloutQueueItem.cs
- GcHandle.cs
- WeakReferenceList.cs
- UserControl.cs
- DeviceContext2.cs
- SchemaContext.cs
- FixedSOMGroup.cs
- EventLevel.cs
- TriggerBase.cs
- ExternalException.cs
- DbProviderSpecificTypePropertyAttribute.cs
- InheritanceService.cs
- FontNamesConverter.cs
- BindingSource.cs
- TraceSection.cs
- SystemKeyConverter.cs
- Light.cs
- FontWeightConverter.cs
- ReaderContextStackData.cs
- XPathDescendantIterator.cs
- SweepDirectionValidation.cs
- Opcode.cs
- VScrollBar.cs
- ScriptComponentDescriptor.cs
- DeclarativeCatalogPartDesigner.cs
- TreeWalker.cs
- CorrelationManager.cs
- OpenFileDialog.cs
- InstancePersistenceCommandException.cs
- SelectedPathEditor.cs
- TextCollapsingProperties.cs
- FontStretchConverter.cs
- StylusCaptureWithinProperty.cs
- basecomparevalidator.cs
- TypeListConverter.cs
- XmlSchemaValidator.cs
- TextParagraphProperties.cs
- Transactions.cs
- VectorCollection.cs
- Pair.cs
- FacetChecker.cs
- KeyGestureValueSerializer.cs
- SqlProfileProvider.cs
- NumericUpDownAccelerationCollection.cs
- DesignerActionUIStateChangeEventArgs.cs
- WindowsTokenRoleProvider.cs
- PartialTrustValidationBehavior.cs
- TableChangeProcessor.cs
- XmlAnyElementAttributes.cs
- MessageDescriptionCollection.cs
- GestureRecognizer.cs
- XsltLibrary.cs
- XmlNamedNodeMap.cs
- QuaternionAnimationUsingKeyFrames.cs
- HelpProvider.cs
- XmlHelper.cs
- _CacheStreams.cs
- AQNBuilder.cs
- NetMsmqSecurityElement.cs
- SizeAnimationClockResource.cs
- SessionEndingCancelEventArgs.cs
- UriWriter.cs
- CardSpaceSelector.cs
- bidPrivateBase.cs
- BindingWorker.cs
- ComponentEditorPage.cs
- TreeViewBindingsEditorForm.cs
- NamespaceListProperty.cs
- Slider.cs
- OleDbCommandBuilder.cs
- BasicHttpBindingElement.cs
- ContainsSearchOperator.cs
- ObjectStateFormatter.cs
- WhitespaceRuleReader.cs
- ScalarType.cs
- PropertyCollection.cs
- WebAdminConfigurationHelper.cs
- SystemTcpConnection.cs
- OptimalTextSource.cs
- DataChangedEventManager.cs
- LineGeometry.cs
- EnumConverter.cs
- BitmapEffectGroup.cs
- ShaderRenderModeValidation.cs
- NumericExpr.cs
- GridViewSelectEventArgs.cs
- WSHttpBindingBase.cs
- ToolBarPanel.cs
- RangeBaseAutomationPeer.cs
- VectorCollectionValueSerializer.cs