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
- WindowsScroll.cs
- RequestSecurityTokenSerializer.cs
- WindowsListViewGroupSubsetLink.cs
- DataAdapter.cs
- HtmlInputReset.cs
- ResetableIterator.cs
- Sequence.cs
- DataGridRowHeader.cs
- CompressStream.cs
- X509Utils.cs
- QuaternionValueSerializer.cs
- ContractHandle.cs
- SelectorAutomationPeer.cs
- AccessorTable.cs
- StrongTypingException.cs
- IdentitySection.cs
- DeleteStoreRequest.cs
- XmlSchemaObject.cs
- ViewManager.cs
- ContextQuery.cs
- StringInfo.cs
- DataPagerFieldCommandEventArgs.cs
- Baml6Assembly.cs
- OdbcTransaction.cs
- XmlQualifiedName.cs
- TypeExtensionConverter.cs
- LinearKeyFrames.cs
- WizardPanelChangingEventArgs.cs
- WindowsNonControl.cs
- SQLResource.cs
- BreakSafeBase.cs
- OutputCacheProfileCollection.cs
- SymmetricKeyWrap.cs
- ReflectPropertyDescriptor.cs
- xmlfixedPageInfo.cs
- SecurityTokenException.cs
- NativeCompoundFileAPIs.cs
- CodeNamespaceCollection.cs
- Reference.cs
- StrongNameKeyPair.cs
- ConfigurationManagerInternalFactory.cs
- SByte.cs
- ContainerSelectorActiveEvent.cs
- TemplateXamlParser.cs
- UIElementPropertyUndoUnit.cs
- AccessKeyManager.cs
- MethodAccessException.cs
- SafeProcessHandle.cs
- HostSecurityManager.cs
- basenumberconverter.cs
- TextElementCollectionHelper.cs
- OlePropertyStructs.cs
- ToolboxItemCollection.cs
- VisualStyleInformation.cs
- StatusBarAutomationPeer.cs
- TextElement.cs
- EntityContainer.cs
- SqlWorkflowPersistenceService.cs
- EntityDataSourceUtil.cs
- Encoding.cs
- CodeEventReferenceExpression.cs
- ThreadPool.cs
- DiffuseMaterial.cs
- TreeNodeClickEventArgs.cs
- SessionConnectionReader.cs
- ExceptionAggregator.cs
- WebHttpBindingElement.cs
- Matrix3D.cs
- DataGridToolTip.cs
- DeploymentExceptionMapper.cs
- HierarchicalDataSourceControl.cs
- log.cs
- ControlTemplate.cs
- TextBoxAutomationPeer.cs
- SimpleColumnProvider.cs
- AudioFormatConverter.cs
- Expressions.cs
- altserialization.cs
- XamlClipboardData.cs
- EntityKeyElement.cs
- HtmlInputControl.cs
- SmtpFailedRecipientsException.cs
- InfoCardSymmetricCrypto.cs
- EntityStoreSchemaGenerator.cs
- EnumCodeDomSerializer.cs
- ReflectEventDescriptor.cs
- HMAC.cs
- RuntimeWrappedException.cs
- ConfigurationLoader.cs
- ObjectConverter.cs
- SQLByte.cs
- invalidudtexception.cs
- UIPropertyMetadata.cs
- RijndaelCryptoServiceProvider.cs
- DataSourceControl.cs
- CapabilitiesState.cs
- PolicyLevel.cs
- XmlQueryTypeFactory.cs
- SizeChangedInfo.cs
- TreeIterator.cs