Code:
/ 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / fx / src / MIT / System / Web / UI / MobileControls / CustomValidator.cs / 1305376 / CustomValidator.cs
//------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- using System.ComponentModel; using System.Diagnostics; using System.Web.UI.WebControls; using WebCntrls = System.Web.UI.WebControls; using System.Security.Permissions; namespace System.Web.UI.MobileControls { /* * Mobile CustomValidator class. * The CustomValidator provides the ability to easily write custom server * validation logic. A user-defined function is called via a single-cast * delegate to provide server-side custom validation. * * Copyright (c) 2000 Microsoft Corporation */ ///[ DefaultEvent("ServerValidate"), ToolboxData("<{0}:CustomValidator runat=\"server\" ErrorMessage=\"CustomValidator\">{0}:CustomValidator>"), ToolboxItem("System.Web.UI.Design.WebControlToolboxItem, " + AssemblyRef.SystemDesign) ] [AspNetHostingPermission(SecurityAction.LinkDemand, Level=AspNetHostingPermissionLevel.Minimal)] [AspNetHostingPermission(SecurityAction.InheritanceDemand, Level=AspNetHostingPermissionLevel.Minimal)] [Obsolete("The System.Web.Mobile.dll assembly has been deprecated and should no longer be used. For information about how to develop ASP.NET mobile applications, see http://go.microsoft.com/fwlink/?LinkId=157231.")] public class CustomValidator : BaseValidator { private WebCntrls.CustomValidator _webCustomValidator; // Static objects to identify individual events stored in Events // property. private static readonly Object EventServerValidate = new Object(); /// protected override WebCntrls.BaseValidator CreateWebValidator() { _webCustomValidator = new WebCntrls.CustomValidator(); // Adding wrapper event handlers for event properties exposed by // the aggregated control. For more details about the mechanism, // please see the comment in the constructor of // Mobile.UI.AdRotator. ServerValidateEventHandler eventHandler = new ServerValidateEventHandler(WebServerValidate); _webCustomValidator.ServerValidate += eventHandler; return _webCustomValidator; } //////////////////////////////////////////////////////////////////////// // Mimic the properties exposed in the original CustomValidator. //////////////////////////////////////////////////////////////////////// /// [ Bindable(false), DefaultValue(null), MobileSysDescription(SR.CustomValidator_OnServerValidate) ] public event ServerValidateEventHandler ServerValidate { add { Events.AddHandler(EventServerValidate, value); } remove { Events.RemoveHandler(EventServerValidate, value); } } // protected method (which can be overridden by subclasses) for // raising user events /// protected virtual bool OnServerValidate(String value) { ServerValidateEventHandler handler = (ServerValidateEventHandler)Events[EventServerValidate]; if (handler != null) { ServerValidateEventArgs args = new ServerValidateEventArgs(value, true); handler(this, args); return args.IsValid; } else { return true; } } private void WebServerValidate(Object source, ServerValidateEventArgs e) { // Invoke user events for further manipulation specified by user Debug.Assert(e != null, "Unexpected null parameter!"); e.IsValid = OnServerValidate(e.Value); } /// protected override bool EvaluateIsValid() { return EvaluateIsValidInternal(); } ///////////////////////////////////////////////////////////////////// // Helper function adopted from WebForms CustomValidator ///////////////////////////////////////////////////////////////////// /// protected override bool ControlPropertiesValid() { // Need to override the BaseValidator implementation, because for // CustomValidator, it is fine for ControlToValidate to be blank. String controlToValidate = ControlToValidate; if (controlToValidate.Length > 0) { return base.ControlPropertiesValid(); } return true; } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007.
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