Code:
/ 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / fx / src / Data / System / Data / DataError.cs / 1305376 / DataError.cs
//------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //[....] //[....] //[....] //----------------------------------------------------------------------------- namespace System.Data { using System; using System.Diagnostics; ////// internal sealed class DataError { private string rowError = String.Empty; // column-level errors private int count; private ColumnError[] errorList; internal const int initialCapacity = 1; internal DataError() { } internal DataError(string rowError) { SetText(rowError); } internal string Text { get { return rowError; } set { SetText(value); } } internal bool HasErrors { get { return(rowError.Length != 0 || count != 0); } } // // this method resets the error to the new value. // internal void SetColumnError(DataColumn column, string error) { Debug.Assert(column != null, "Invalid (null) argument"); Debug.Assert(column.Table != null, "Invalid (loose) column"); if (error == null || error.Length == 0) { // remove error from the collection Clear(column); } else { if (errorList == null) { errorList = new ColumnError[initialCapacity]; } int i = IndexOf(column); errorList[i].column = column; errorList[i].error = error; column.errors++; if (i == count) count++; } } internal string GetColumnError(DataColumn column) { for (int i = 0; i < count; i++) { if (errorList[i].column == column) { return errorList[i].error; } } return String.Empty; } internal void Clear(DataColumn column) { if (count == 0) return; for (int i = 0; i < count; i++) { if (errorList[i].column == column) { System.Array.Copy(errorList, i+1, errorList, i, count-i-1); count--; column.errors--; Debug.Assert(column.errors >= 0, "missing error counts"); } } } internal void Clear() { for (int i = 0; i < count; i++) { errorList[i].column.errors--; Debug.Assert(errorList[i].column.errors >= 0, "missing error counts"); } count = 0; rowError = String.Empty; } internal DataColumn[] GetColumnsInError() { DataColumn[] cols = new DataColumn[count]; for (int i = 0; i < count; i++) { cols[i] = errorList[i].column; } return cols; } ///Represents an custom error that can be associated with a ///. /// private void SetText(string errorText) { if (null == errorText) { errorText = String.Empty; } rowError = errorText; } internal int IndexOf (DataColumn column) { // try to find the column for (int i = 0; i < count; i++) { if (errorList[i].column == column) { return i; } } if (count >= errorList.Length) { int newCapacity = Math.Min(count*2, column.Table.Columns.Count); ColumnError[] biggerList = new ColumnError[newCapacity]; System.Array.Copy(errorList, 0, biggerList, 0, count); errorList = biggerList; } return count; } internal struct ColumnError { internal DataColumn column; internal string error; }; } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007.Sets the error message for the ///.
Link Menu

This book is available now!
Buy at Amazon US or
Buy at Amazon UK
- XmlSchemaRedefine.cs
- DtrList.cs
- BamlWriter.cs
- DbConnectionHelper.cs
- XmlSchemaException.cs
- TrackingStringDictionary.cs
- ReaderWriterLock.cs
- EnumValidator.cs
- UriTemplateTrieLocation.cs
- DynamicDiscoSearcher.cs
- CallbackHandler.cs
- InternalDispatchObject.cs
- PackUriHelper.cs
- DataKey.cs
- RepeatBehaviorConverter.cs
- DecoderExceptionFallback.cs
- XmlSignificantWhitespace.cs
- StylusPlugin.cs
- ContextMenuStrip.cs
- EntityDataSource.cs
- FileUpload.cs
- DependencyProperty.cs
- CommonObjectSecurity.cs
- OutputWindow.cs
- SafeNativeMethods.cs
- ListBindingHelper.cs
- XmlSerializationReader.cs
- Vector3dCollection.cs
- ProgressBar.cs
- EntityDataSourceEntityTypeFilterItem.cs
- ColorMatrix.cs
- ObjectQueryProvider.cs
- Environment.cs
- TreePrinter.cs
- SmuggledIUnknown.cs
- SecurityTokenProvider.cs
- Authorization.cs
- _LocalDataStore.cs
- SessionSwitchEventArgs.cs
- Image.cs
- MenuItemBindingCollection.cs
- UriGenerator.cs
- InvalidProgramException.cs
- UInt64.cs
- TextPenaltyModule.cs
- RequestCachingSection.cs
- TreeSet.cs
- TextEffect.cs
- TdsParserStateObject.cs
- SafePointer.cs
- selecteditemcollection.cs
- MsmqNonTransactedPoisonHandler.cs
- WorkerRequest.cs
- TextRangeAdaptor.cs
- View.cs
- DbConnectionStringBuilder.cs
- WebRequestModuleElementCollection.cs
- BooleanConverter.cs
- ZeroOpNode.cs
- CustomAssemblyResolver.cs
- ErrorRuntimeConfig.cs
- DebuggerService.cs
- TreeNodeConverter.cs
- IndicShape.cs
- ActivityBindForm.Designer.cs
- MasterPageBuildProvider.cs
- TextRenderer.cs
- ListViewUpdatedEventArgs.cs
- AnonymousIdentificationSection.cs
- DateTimeSerializationSection.cs
- QueueProcessor.cs
- SafeNativeMethods.cs
- CommonXSendMessage.cs
- ToolBarPanel.cs
- UnicodeEncoding.cs
- DataListCommandEventArgs.cs
- PolyBezierSegmentFigureLogic.cs
- MimeObjectFactory.cs
- BufferedStream2.cs
- Attachment.cs
- DbProviderFactories.cs
- RegexWorker.cs
- SamlAudienceRestrictionCondition.cs
- SqlVisitor.cs
- FlowDocumentView.cs
- ConsoleCancelEventArgs.cs
- MediaContextNotificationWindow.cs
- __Error.cs
- HttpListenerResponse.cs
- HtmlHead.cs
- ReadOnlyDictionary.cs
- MLangCodePageEncoding.cs
- SystemWebSectionGroup.cs
- TextBox.cs
- LineInfo.cs
- SoapSchemaMember.cs
- CustomValidator.cs
- FixedTextPointer.cs
- TableLayoutStyle.cs
- WebPartDisplayModeCollection.cs