Code:
/ Dotnetfx_Win7_3.5.1 / Dotnetfx_Win7_3.5.1 / 3.5.1 / DEVDIV / depot / DevDiv / releases / whidbey / NetFXspW7 / ndp / fx / src / Data / System / Data / DataError.cs / 1 / 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 ///. // 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
- Point4D.cs
- XmlSchemaInclude.cs
- HandlerWithFactory.cs
- ListSortDescriptionCollection.cs
- SaveFileDialog.cs
- EpmCustomContentDeSerializer.cs
- ToolBar.cs
- InteropAutomationProvider.cs
- ObjectComplexPropertyMapping.cs
- MultiTrigger.cs
- ExclusiveCanonicalizationTransform.cs
- Transform3DCollection.cs
- DockAndAnchorLayout.cs
- TagPrefixInfo.cs
- ArgumentOutOfRangeException.cs
- ListViewItemEventArgs.cs
- OpCellTreeNode.cs
- DataServiceQuery.cs
- EdmProviderManifest.cs
- ManifestSignatureInformation.cs
- NullableBoolConverter.cs
- FlowPosition.cs
- ProtocolsConfigurationHandler.cs
- BamlRecords.cs
- SpanIndex.cs
- HtmlObjectListAdapter.cs
- TypeProvider.cs
- ServiceProviders.cs
- QueryGenerator.cs
- BuilderPropertyEntry.cs
- DocumentSchemaValidator.cs
- Stream.cs
- ActivityDesignerResources.cs
- RangeValidator.cs
- ErrorWrapper.cs
- NodeLabelEditEvent.cs
- ConfigurationManagerHelperFactory.cs
- StylusDevice.cs
- TargetException.cs
- HtmlValidationSummaryAdapter.cs
- XPathNodeInfoAtom.cs
- MatrixAnimationBase.cs
- GeneralTransform3DTo2DTo3D.cs
- HttpHeaderCollection.cs
- CodeIterationStatement.cs
- SchemaManager.cs
- BitmapDownload.cs
- EtwTrackingBehavior.cs
- NameNode.cs
- NameNode.cs
- DeflateEmulationStream.cs
- SQLChars.cs
- TiffBitmapEncoder.cs
- ForEachAction.cs
- SqlDataSourceCache.cs
- ToolStripKeyboardHandlingService.cs
- FilteredAttributeCollection.cs
- ReadOnlyAttribute.cs
- UnauthorizedAccessException.cs
- TypedElement.cs
- TrackingProfileCache.cs
- InfocardChannelParameter.cs
- hresults.cs
- SecurityElement.cs
- AttachedPropertyBrowsableForChildrenAttribute.cs
- EncryptedData.cs
- SoapSchemaExporter.cs
- ScriptReference.cs
- FormViewModeEventArgs.cs
- RSAPKCS1KeyExchangeFormatter.cs
- CustomErrorsSection.cs
- LayoutTable.cs
- CacheEntry.cs
- HttpHeaderCollection.cs
- Visual3D.cs
- prefixendpointaddressmessagefiltertable.cs
- ListViewItem.cs
- DispatcherHookEventArgs.cs
- KeyInfo.cs
- SignalGate.cs
- InternalBase.cs
- ServiceAuthorizationElement.cs
- FormatException.cs
- NullRuntimeConfig.cs
- Int32Storage.cs
- Point3DAnimationUsingKeyFrames.cs
- SolidBrush.cs
- ToolBar.cs
- CopyAttributesAction.cs
- AutoGeneratedFieldProperties.cs
- QilCloneVisitor.cs
- Form.cs
- XPathNavigatorReader.cs
- NumericUpDownAccelerationCollection.cs
- Boolean.cs
- StringDictionary.cs
- HtmlContainerControl.cs
- CategoryAttribute.cs
- TableAdapterManagerGenerator.cs
- EdmProviderManifest.cs