Code:
/ DotNET / DotNET / 8.0 / untmp / whidbey / REDBITS / ndp / fx / src / xsp / System / Web / UI / WebControls / LoginName.cs / 1 / LoginName.cs
//------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- namespace System.Web.UI.WebControls { using System.ComponentModel; using System.Globalization; using System.Security.Permissions; using System.Security.Principal; using System.Web.UI; using System.Web; ////// Renders a Label containing the name of the current user, as defined by the FormatString property. /// Renders nothing if the current user is anonymous. /// [ Bindable(false), Designer("System.Web.UI.Design.WebControls.LoginNameDesigner," + AssemblyRef.SystemDesign), DefaultProperty("FormatString") ] [AspNetHostingPermission(SecurityAction.LinkDemand, Level=AspNetHostingPermissionLevel.Minimal)] [AspNetHostingPermission(SecurityAction.InheritanceDemand, Level=AspNetHostingPermissionLevel.Minimal)] public class LoginName : WebControl { private const string _defaultFormatString = "{0}"; ////// The format specification. {0} is replaced with the user name of the logged in user. /// [ WebCategory("Appearance"), DefaultValue(_defaultFormatString), Localizable(true), WebSysDescription(SR.LoginName_FormatString) ] public virtual string FormatString { get { object obj = ViewState["FormatString"]; return (obj == null) ? _defaultFormatString : (string) obj; } set { ViewState["FormatString"] = value; } } internal string UserName { get { if (DesignMode) { return SR.GetString(SR.LoginName_DesignModeUserName); } else { return LoginUtil.GetUserName(this); } } } protected internal override void Render(HtmlTextWriter writer) { if (!String.IsNullOrEmpty(UserName)) { base.Render(writer); } } public override void RenderBeginTag(HtmlTextWriter writer) { // Needed for adapter case to prevent empty span tags if (!String.IsNullOrEmpty(UserName)) { base.RenderBeginTag(writer); } } public override void RenderEndTag(HtmlTextWriter writer) { // Needed for adapter case to prevent empty span tags if (!String.IsNullOrEmpty(UserName)) { base.RenderEndTag(writer); } } ////// Styles would be rendered by the WebControl base class. /// protected internal override void RenderContents(HtmlTextWriter writer) { string userName = UserName; if (!String.IsNullOrEmpty(userName)) { // VSWhidbey 304890 HTMLEncode the username userName = HttpUtility.HtmlEncode(userName); string formatString = FormatString; if (formatString.Length == 0) { writer.Write(userName); } else { try { writer.Write(String.Format(CultureInfo.CurrentCulture, formatString, userName)); } catch (FormatException e) { throw new FormatException(SR.GetString(SR.LoginName_InvalidFormatString), e); } } } } } }
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