Bewerken

Share via

PasswordRecovery.OnUserLookupError(EventArgs) Method

  • Reference

Definition

Namespace:
System.Web.UI.WebControls
Assembly:
System.Web.dll

Raises the UserLookupError event.

protected:
 virtual void OnUserLookupError(EventArgs ^ e);
protected virtual void OnUserLookupError (EventArgs e);
abstract member OnUserLookupError : EventArgs -> unit
override this.OnUserLookupError : EventArgs -> unit
Protected Overridable Sub OnUserLookupError (e As EventArgs)

Parameters

e
EventArgs

An EventArgs that contains the event data.

Examples

The following code example defines a custom PasswordRecovery control that overrides the OnUserLookupError method to change the UserNameTitleText property if the user enters an incorrect answer to the password confirmation question.

<%@ page language="C#" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
    "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<script runat="server">
    class CustomPasswordRecovery : PasswordRecovery
    {
        override protected void OnAnswerLookupError(EventArgs e)
        {
            QuestionTitleText = "Try again";
            TitleTextStyle.ForeColor = System.Drawing.Color.Red;
            base.OnAnswerLookupError(e);
        }
    }
    
        // Add the custom password recovery control to the page.
        void Page_Init(object sender, EventArgs e)
        {
            CustomPasswordRecovery passwordRecoveryControl = new CustomPasswordRecovery();
        
            passwordRecoveryControl.ID = "passwordRecoveryControl";
        
            PlaceHolder1.Controls.Add(passwordRecoveryControl);
        
        }
</script>

<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
    <title>ASP.NET Example</title>
</head>
<body>
<form id="form1" runat="server">
    <p>
        <asp:placeholder id="PlaceHolder1" runat="server"></asp:placeholder>&nbsp;</p>

</form>
</body>
</html>

<%@ page language="VB" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
    "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<script runat="server">
    Class CustomPasswordRecovery
        Inherits PasswordRecovery
        
        Overloads Sub OnAnswerLookupError(ByVal e As EventArgs)
            QuestionTitleText = "Try again"
            TitleTextStyle.ForeColor = System.Drawing.Color.Red
            MyBase.OnAnswerLookupError(e)
        End Sub
    End Class

    ' Add the custom password recovery control to the page.
    Sub Page_Init(ByVal sender As Object, ByVal e As EventArgs)
        Dim passwordRecoveryControl As New CustomPasswordRecovery
        
        passwordRecoveryControl.ID = "passwordRecoveryControl"
        
        PlaceHolder1.Controls.Add(passwordRecoveryControl)
        
    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">
    <p>
        <asp:placeholder id="PlaceHolder1" runat="server"></asp:placeholder>&nbsp;</p>

</form>
</body>
</html>

Remarks

The OnUserLookupError method is called when the membership provider is unable to find the user name entered on the initial screen. The default implementation raises the UserLookupError event.

Raising an event invokes the event handler through a delegate. For more information, see Handling and Raising Events.

The OnUserLookupError method also allows derived classes to handle the event without attaching a delegate. This is the preferred technique for handling the event in a derived class.

Notes to Inheritors

When overriding OnUserLookupError(EventArgs) in a derived class, be sure to call the base class's OnUserLookupError(EventArgs) method so that registered delegates receive the event.

Applies to

See also