Login Constructor
Creates a new instance of the Login control.
Assembly: System.Web (in System.Web.dll)
The Login constructor creates a new instance of the Login control that can be programmatically inserted into a Web page.
The following table shows the initial property values for a new instance of Login.
Property | Initial value |
|---|---|
true | |
true | |
true | |
"Your login attempt has failed. Please try again." | |
"Default" | |
"Password:" | |
"Password." | |
false | |
"Remember me next time." | |
"Login" | |
"Login" | |
"User Name:" | |
"User Name." |
The following code example uses the Login constructor to create a new instance of the Login control and add that instance to the Controls collection of a PlaceHolder control.
<%@ Page Language="C#" %> <%@ Import Namespace="System.ComponentModel" %> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <script runat="server"> bool IsValidEmail(string strIn) { // Return true if strIn is in valid e-mail format. return Regex.IsMatch(strIn, @"^([\w-\.]+)@((\[[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.)|(([\w-]+\.)+))([a-zA-Z]{2,4}|[0-9]{1,3})(\]?)$"); } void OnLoggingIn(object sender, System.Web.UI.WebControls.LoginCancelEventArgs e) { Login loginControl = (Login)PlaceHolder1.FindControl("loginControl"); if (!IsValidEmail(loginControl.UserName)) { loginControl.InstructionText = "You must enter a valid e-mail address."; e.Cancel = true; } else { loginControl.InstructionText = String.Empty; } } void Page_Load(object sender, EventArgs e) { Login loginControl = new Login(); loginControl.ID = "loginControl"; loginControl.HelpPageText = "Help logging in..."; loginControl.HelpPageUrl = "help.aspx"; loginControl.PasswordRecoveryText = "Forgot your password?"; loginControl.PasswordRecoveryUrl = "getPass.aspx"; loginControl.LoggingIn += new LoginCancelEventHandler(OnLoggingIn); PlaceHolder1.Controls.Add(loginControl); } </script> <html xmlns="http://www.w3.org/1999/xhtml" > <head runat="server"> <title>ASP.NET Example</title> </head> <body> <form id="form1" runat="server"> <asp:PlaceHolder id="PlaceHolder1" runat="server"></asp:PlaceHolder> </form> </body> </html>
Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows XP SP2 x64 Edition, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2
The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.