Login Constructor
Definition
Important
Some information relates to prerelease product that may be substantially modified before it’s released. Microsoft makes no warranties, express or implied, with respect to the information provided here.
Creates a new instance of the Login control.
public:
Login();
public Login ();
Public Sub New ()
Examples
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 email 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 email 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>
<%@ Page Language="VB" %>
<%@ 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">
Function IsValidEmail(ByVal strIn As String) As Boolean
' Return true if strIn is in valid email format.
Return Regex.IsMatch(strIn, ("^([\w-\.]+)@((\[[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.)|(([\w-]+\.)+))([a-zA-Z]{2,4}|[0-9]{1,3})(\]?)$"))
End Function
Sub OnLoggingIn(ByVal sender As Object, ByVal e As System.Web.UI.WebControls.LoginCancelEventArgs)
Dim loginControl As Login
loginControl = CType(PlaceHolder1.FindControl("loginControl"), Login)
If Not IsValidEmail(loginControl.UserName) Then
loginControl.InstructionText = "You must enter a valid email address."
e.Cancel = True
Else
loginControl.InstructionText = String.Empty
End If
End Sub
Sub Page_Load(ByVal sender As Object, ByVal e As EventArgs)
Dim loginControl As New Login
loginControl.ID = "loginControl"
loginControl.HelpPageText = "Help loggin in..."
loginControl.HelpPageUrl = "help.aspx"
loginControl.PasswordRecoveryText = "Forgot your password?"
loginControl.PasswordRecoveryUrl = "getPass.aspx"
AddHandler loginControl.LoggingIn, AddressOf OnLoggingIn
PlaceHolder1.Controls.Add(loginControl)
End Sub
</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>
Remarks
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 |
---|---|
RememberMeSet | true |
VisibleWhenLoggedIn | true |
FailureAction | true |
FailureText | "Your login attempt has failed. Please try again." |
MembershipProvider | "Default" |
Orientation | Vertical |
PasswordLabelText | "Password:" |
PasswordRequiredErrorMessage | "Password." |
RememberMeSet | false |
RememberMeText | "Remember me next time." |
LoginButtonText | "Login" |
TextLayout | TextOnLeft |
TitleText | "Login" |
UserNameLabelText | "User Name:" |
UserNameRequiredErrorMessage | "User Name." |
Applies to
See also
Feedback
https://aka.ms/ContentUserFeedback.
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