Code:
/ 4.0 / 4.0 / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / fx / src / xsp / System / Web / UI / WebControls / RegularExpressionValidator.cs / 1305376 / RegularExpressionValidator.cs
//------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- /* */ namespace System.Web.UI.WebControls { using System.ComponentModel; using System.ComponentModel.Design; using System.Text.RegularExpressions; using System.Drawing.Design; using System.Web; using System.Web.Util; ////// [ ToolboxData("<{0}:RegularExpressionValidator runat=\"server\" ErrorMessage=\"RegularExpressionValidator\">{0}:RegularExpressionValidator>") ] public class RegularExpressionValidator : BaseValidator { ///Checks if the value of the associated input control matches the pattern /// of a regular expression. ////// [ WebCategory("Behavior"), Themeable(false), DefaultValue(""), Editor("System.Web.UI.Design.WebControls.RegexTypeEditor, " + AssemblyRef.SystemDesign, typeof(UITypeEditor)), WebSysDescription(SR.RegularExpressionValidator_ValidationExpression) ] public string ValidationExpression { get { object o = ViewState["ValidationExpression"]; return((o == null) ? String.Empty : (string)o); } set { try { Regex.IsMatch(String.Empty, value); } catch (Exception e) { throw new HttpException( SR.GetString(SR.Validator_bad_regex, value), e); } ViewState["ValidationExpression"] = value; } } ///Indicates the regular expression assigned to be the validation criteria. ////// /// AddAttributesToRender method /// protected override void AddAttributesToRender(HtmlTextWriter writer) { base.AddAttributesToRender(writer); if (RenderUplevel) { string id = ClientID; HtmlTextWriter expandoAttributeWriter = (EnableLegacyRendering) ? writer : null; AddExpandoAttribute(expandoAttributeWriter, id, "evaluationfunction", "RegularExpressionValidatorEvaluateIsValid", false); if (ValidationExpression.Length > 0) { AddExpandoAttribute(expandoAttributeWriter, id, "validationexpression", ValidationExpression); } } } ////// /// EvaluateIsValid method /// protected override bool EvaluateIsValid() { // Always succeeds if input is empty or value was not found string controlValue = GetControlValidationValue(ControlToValidate); Debug.Assert(controlValue != null, "Should have already been checked"); if (controlValue == null || controlValue.Trim().Length == 0) { return true; } try { // we are looking for an exact match, not just a search hit Match m = Regex.Match(controlValue, ValidationExpression); return(m.Success && m.Index == 0 && m.Length == controlValue.Length); } catch { Debug.Fail("Regex error should have been caught in property setter."); return true; } } } } // 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.ComponentModel; using System.ComponentModel.Design; using System.Text.RegularExpressions; using System.Drawing.Design; using System.Web; using System.Web.Util; ////// [ ToolboxData("<{0}:RegularExpressionValidator runat=\"server\" ErrorMessage=\"RegularExpressionValidator\">{0}:RegularExpressionValidator>") ] public class RegularExpressionValidator : BaseValidator { ///Checks if the value of the associated input control matches the pattern /// of a regular expression. ////// [ WebCategory("Behavior"), Themeable(false), DefaultValue(""), Editor("System.Web.UI.Design.WebControls.RegexTypeEditor, " + AssemblyRef.SystemDesign, typeof(UITypeEditor)), WebSysDescription(SR.RegularExpressionValidator_ValidationExpression) ] public string ValidationExpression { get { object o = ViewState["ValidationExpression"]; return((o == null) ? String.Empty : (string)o); } set { try { Regex.IsMatch(String.Empty, value); } catch (Exception e) { throw new HttpException( SR.GetString(SR.Validator_bad_regex, value), e); } ViewState["ValidationExpression"] = value; } } ///Indicates the regular expression assigned to be the validation criteria. ////// /// AddAttributesToRender method /// protected override void AddAttributesToRender(HtmlTextWriter writer) { base.AddAttributesToRender(writer); if (RenderUplevel) { string id = ClientID; HtmlTextWriter expandoAttributeWriter = (EnableLegacyRendering) ? writer : null; AddExpandoAttribute(expandoAttributeWriter, id, "evaluationfunction", "RegularExpressionValidatorEvaluateIsValid", false); if (ValidationExpression.Length > 0) { AddExpandoAttribute(expandoAttributeWriter, id, "validationexpression", ValidationExpression); } } } ////// /// EvaluateIsValid method /// protected override bool EvaluateIsValid() { // Always succeeds if input is empty or value was not found string controlValue = GetControlValidationValue(ControlToValidate); Debug.Assert(controlValue != null, "Should have already been checked"); if (controlValue == null || controlValue.Trim().Length == 0) { return true; } try { // we are looking for an exact match, not just a search hit Match m = Regex.Match(controlValue, ValidationExpression); return(m.Success && m.Index == 0 && m.Length == controlValue.Length); } catch { Debug.Fail("Regex error should have been caught in property setter."); return true; } } } } // 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
- ParserStreamGeometryContext.cs
- httpserverutility.cs
- DrawingContextWalker.cs
- ListBase.cs
- WindowsIdentity.cs
- Container.cs
- ImageFormat.cs
- RegexStringValidatorAttribute.cs
- OrderedHashRepartitionEnumerator.cs
- DmlSqlGenerator.cs
- AuthorizationContext.cs
- FormsAuthenticationConfiguration.cs
- ReversePositionQuery.cs
- TextTreeFixupNode.cs
- AuthenticationModuleElement.cs
- EntityDataSourceWrapperCollection.cs
- WorkflowMarkupSerializer.cs
- DiscreteKeyFrames.cs
- CheckBoxPopupAdapter.cs
- DoubleIndependentAnimationStorage.cs
- WebServiceMethodData.cs
- UserControlParser.cs
- DataTableTypeConverter.cs
- InternalResources.cs
- PrintingPermissionAttribute.cs
- SqlProcedureAttribute.cs
- mactripleDES.cs
- ExternalCalls.cs
- TimeIntervalCollection.cs
- ActivityExecutorOperation.cs
- RenderData.cs
- NameNode.cs
- AbandonedMutexException.cs
- CustomErrorCollection.cs
- TableLayoutRowStyleCollection.cs
- SubpageParaClient.cs
- SuppressIldasmAttribute.cs
- ContentValidator.cs
- EntityDataSource.cs
- PageSetupDialog.cs
- SectionInput.cs
- ReflectionServiceProvider.cs
- UriTemplateTrieLocation.cs
- SapiRecoContext.cs
- DockPanel.cs
- MenuCommands.cs
- HtmlControl.cs
- HttpCookieCollection.cs
- GlyphRunDrawing.cs
- TableItemStyle.cs
- FlowDocumentReaderAutomationPeer.cs
- StateDesigner.LayoutSelectionGlyph.cs
- WhitespaceRuleLookup.cs
- LiteralControl.cs
- HandledMouseEvent.cs
- ConfigurationStrings.cs
- BookmarkScopeManager.cs
- XmlCDATASection.cs
- DataServiceQueryException.cs
- SpellCheck.cs
- NamedObject.cs
- DataPagerFieldItem.cs
- QuaternionAnimationBase.cs
- WsatAdminException.cs
- XmlEntityReference.cs
- EventHandlersDesigner.cs
- DescendentsWalkerBase.cs
- ScaleTransform.cs
- HttpChannelHelper.cs
- KoreanCalendar.cs
- PieceDirectory.cs
- ClientFormsAuthenticationCredentials.cs
- SynchronizedInputProviderWrapper.cs
- ListDictionary.cs
- Dynamic.cs
- ThrowOnMultipleAssignment.cs
- ControlAdapter.cs
- PolyBezierSegment.cs
- ColumnResizeAdorner.cs
- LoginDesigner.cs
- Perspective.cs
- CompilationUtil.cs
- ProfileProvider.cs
- HttpChannelHelper.cs
- TagPrefixInfo.cs
- InputLanguage.cs
- DataServiceRequest.cs
- ComponentChangedEvent.cs
- TypeDelegator.cs
- MappingMetadataHelper.cs
- XmlUnspecifiedAttribute.cs
- SafeMemoryMappedFileHandle.cs
- StateRuntime.cs
- WebPartUtil.cs
- DynamicAttribute.cs
- ObsoleteAttribute.cs
- SafeNativeMethods.cs
- DataGridViewRowCancelEventArgs.cs
- RSAPKCS1KeyExchangeFormatter.cs
- WebSysDescriptionAttribute.cs