MembershipCreateUserException Kelas
Definisi
Penting
Beberapa informasi terkait produk prarilis yang dapat diubah secara signifikan sebelum dirilis. Microsoft tidak memberikan jaminan, tersirat maupun tersurat, sehubungan dengan informasi yang diberikan di sini.
Pengecualian yang dilemparkan ketika pengguna tidak berhasil dibuat oleh penyedia keanggotaan.
public ref class MembershipCreateUserException : Exception
[System.Serializable]
public class MembershipCreateUserException : Exception
[<System.Serializable>]
type MembershipCreateUserException = class
inherit Exception
Public Class MembershipCreateUserException
Inherits Exception
- Warisan
- Atribut
Contoh
Contoh kode berikut membuat pengguna baru untuk aplikasi ASP.NET yang dikonfigurasi untuk menggunakan autentikasi formulir dan keanggotaan ASP.NET. Jika pengguna tidak berhasil dibuat, kode akan menangkap MembershipCreateUserException dan menampilkan pesan yang ditentukan dalam StatusCode properti .
Penting
Contoh ini berisi kotak teks yang menerima input pengguna, yang merupakan potensi ancaman keamanan. Secara default, ASP.NET halaman Web memvalidasi bahwa input pengguna tidak menyertakan elemen skrip atau HTML. Untuk informasi selengkapnya, lihat Gambaran Umum Eksploitasi Skrip.
<%@ Page Language="C#" %>
<%@ Import Namespace="System.Web.Security" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<script runat="server">
public void CreateUser_OnClick(object sender, EventArgs args)
{
MembershipCreateStatus result;
try
{
// Create new user.
if (Membership.RequiresQuestionAndAnswer)
{
MembershipUser newUser = Membership.CreateUser(
UsernameTextbox.Text,
PasswordTextbox.Text,
EmailTextbox.Text,
PasswordQuestionTextbox.Text,
PasswordAnswerTextbox.Text,
false,
out result);
}
else
{
MembershipUser newUser = Membership.CreateUser(
UsernameTextbox.Text,
PasswordTextbox.Text,
EmailTextbox.Text);
}
Response.Redirect("login.aspx");
}
catch (MembershipCreateUserException e)
{
Msg.Text = GetErrorMessage(e.StatusCode);
}
catch (HttpException e)
{
Msg.Text = e.Message;
}
}
public string GetErrorMessage(MembershipCreateStatus status)
{
switch (status)
{
case MembershipCreateStatus.DuplicateUserName:
return "Username already exists. Please enter a different user name.";
case MembershipCreateStatus.DuplicateEmail:
return "A username for that email address already exists. Please enter a different email address.";
case MembershipCreateStatus.InvalidPassword:
return "The password provided is invalid. Please enter a valid password value.";
case MembershipCreateStatus.InvalidEmail:
return "The email address provided is invalid. Please check the value and try again.";
case MembershipCreateStatus.InvalidAnswer:
return "The password retrieval answer provided is invalid. Please check the value and try again.";
case MembershipCreateStatus.InvalidQuestion:
return "The password retrieval question provided is invalid. Please check the value and try again.";
case MembershipCreateStatus.InvalidUserName:
return "The user name provided is invalid. Please check the value and try again.";
case MembershipCreateStatus.ProviderError:
return "The authentication provider returned an error. Please verify your entry and try again. If the problem persists, please contact your system administrator.";
case MembershipCreateStatus.UserRejected:
return "The user creation request has been canceled. Please verify your entry and try again. If the problem persists, please contact your system administrator.";
default:
return "An unknown error occurred. Please verify your entry and try again. If the problem persists, please contact your system administrator.";
}
}
</script>
<html xmlns="http://www.w3.org/1999/xhtml" >
<head>
<title>Create User</title>
</head>
<body>
<form id="form1" runat="server">
<h3>Create New User</h3>
<asp:Label id="Msg" ForeColor="maroon" runat="server" /><br />
<table cellpadding="3" border="0">
<tr>
<td>Username:</td>
<td><asp:Textbox id="UsernameTextbox" runat="server" /></td>
<td><asp:RequiredFieldValidator id="UsernameRequiredValidator" runat="server"
ControlToValidate="UserNameTextbox" ForeColor="red"
Display="Static" ErrorMessage="Required" /></td>
</tr>
<tr>
<td>Password:</td>
<td><asp:Textbox id="PasswordTextbox" runat="server" TextMode="Password" /></td>
<td><asp:RequiredFieldValidator id="PasswordRequiredValidator" runat="server"
ControlToValidate="PasswordTextbox" ForeColor="red"
Display="Static" ErrorMessage="Required" /></td>
</tr>
<tr>
<td>Confirm Password:</td>
<td><asp:Textbox id="PasswordConfirmTextbox" runat="server" TextMode="Password" /></td>
<td><asp:RequiredFieldValidator id="PasswordConfirmRequiredValidator" runat="server"
ControlToValidate="PasswordConfirmTextbox" ForeColor="red"
Display="Static" ErrorMessage="Required" />
<asp:CompareValidator id="PasswordConfirmCompareValidator" runat="server"
ControlToValidate="PasswordConfirmTextbox" ForeColor="red"
Display="Static" ControlToCompare="PasswordTextBox"
ErrorMessage="Confirm password must match password." />
</td>
</tr>
<tr>
<td>Email Address:</td>
<td><asp:Textbox id="EmailTextbox" runat="server" /></td>
<td><asp:RequiredFieldValidator id="EmailRequiredValidator" runat="server"
ControlToValidate="EmailTextbox" ForeColor="red"
Display="Static" ErrorMessage="Required" /></td>
</tr>
<% if (Membership.RequiresQuestionAndAnswer) { %>
<tr>
<td>Password Question:</td>
<td><asp:Textbox id="PasswordQuestionTextbox" runat="server" /></td>
<td><asp:RequiredFieldValidator id="PasswordQuestionRequiredValidator" runat="server"
ControlToValidate="PasswordQuestionTextbox" ForeColor="red"
Display="Static" ErrorMessage="Required" /></td>
</tr>
<tr>
<td>Password Answer:</td>
<td><asp:Textbox id="PasswordAnswerTextbox" runat="server" /></td>
<td><asp:RequiredFieldValidator id="PasswordAnswerRequiredValidator" runat="server"
ControlToValidate="PasswordAnswerTextbox" ForeColor="red"
Display="Static" ErrorMessage="Required" /></td>
</tr>
<% } %>
<tr>
<td></td>
<td><asp:Button id="CreateUserButton" Text="Create User" OnClick="CreateUser_OnClick" runat="server" /></td>
</tr>
</table>
</form>
</body>
</html>
<%@ Page Language="VB" %>
<%@ Import Namespace="System.Web.Security" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<script runat="server">
Public Sub CreateUser_OnClick(sender As Object, args As EventArgs)
Dim result As MembershipCreateStatus
Try
' Create new user.
Dim newUser As MembershipUser
If Membership.RequiresQuestionAndAnswer Then
newUser = Membership.CreateUser( _
UsernameTextbox.Text, _
PasswordTextbox.Text, _
EmailTextbox.Text, _
PasswordQuestionTextbox.Text, _
PasswordAnswerTextbox.Text, _
false, _
result)
Else
newUser = Membership.CreateUser( _
UsernameTextbox.Text, _
PasswordTextbox.Text, _
EmailTextbox.Text)
End If
Response.Redirect("login.aspx")
Catch e As MembershipCreateUserException
Msg.Text = GetErrorMessage(e.StatusCode)
Catch e As HttpException
Msg.Text = e.Message
End Try
End Sub
Public Function GetErrorMessage(status As MembershipCreateStatus) As String
Select Case status
Case MembershipCreateStatus.DuplicateUserName
Return "Username already exists. Please enter a different user name."
Case MembershipCreateStatus.DuplicateEmail
Return "A username for that email address already exists. Please enter a different email address."
Case MembershipCreateStatus.InvalidPassword
Return "The password provided is invalid. Please enter a valid password value."
Case MembershipCreateStatus.InvalidEmail
Return "The email address provided is invalid. Please check the value and try again."
Case MembershipCreateStatus.InvalidAnswer
Return "The password retrieval answer provided is invalid. Please check the value and try again."
Case MembershipCreateStatus.InvalidQuestion
Return "The password retrieval question provided is invalid. Please check the value and try again."
Case MembershipCreateStatus.InvalidUserName
Return "The user name provided is invalid. Please check the value and try again."
Case MembershipCreateStatus.ProviderError
Return "The authentication provider Returned an error. Please verify your entry and try again. If the problem persists, please contact your system administrator."
Case MembershipCreateStatus.UserRejected
Return "The user creation request has been canceled. Please verify your entry and try again. If the problem persists, please contact your system administrator."
Case Else
Return "An unknown error occurred. Please verify your entry and try again. If the problem persists, please contact your system administrator."
End Select
End Function
</script>
<html xmlns="http://www.w3.org/1999/xhtml" >
<head>
<title>Create User</title>
</head>
<body>
<form id="form1" runat="server">
<h3>Create New User</h3>
<asp:Label id="Msg" ForeColor="maroon" runat="server" /><br />
<table cellpadding="3" border="0">
<tr>
<td>Username:</td>
<td><asp:Textbox id="UsernameTextbox" runat="server" /></td>
<td><asp:RequiredFieldValidator id="UsernameRequiredValidator" runat="server"
ControlToValidate="UserNameTextbox" ForeColor="red"
Display="Static" ErrorMessage="Required" /></td>
</tr>
<tr>
<td>Password:</td>
<td><asp:Textbox id="PasswordTextbox" runat="server" TextMode="Password" /></td>
<td><asp:RequiredFieldValidator id="PasswordRequiredValidator" runat="server"
ControlToValidate="PasswordTextbox" ForeColor="red"
Display="Static" ErrorMessage="Required" /></td>
</tr>
<tr>
<td>Confirm Password:</td>
<td><asp:Textbox id="PasswordConfirmTextbox" runat="server" TextMode="Password" /></td>
<td><asp:RequiredFieldValidator id="PasswordConfirmRequiredValidator" runat="server"
ControlToValidate="PasswordConfirmTextbox" ForeColor="red"
Display="Static" ErrorMessage="Required" />
<asp:CompareValidator id="PasswordConfirmCompareValidator" runat="server"
ControlToValidate="PasswordConfirmTextbox" ForeColor="red"
Display="Static" ControlToCompare="PasswordTextBox"
ErrorMessage="Confirm password must match password." />
</td>
</tr>
<tr>
<td>Email Address:</td>
<td><asp:Textbox id="EmailTextbox" runat="server" /></td>
<td><asp:RequiredFieldValidator id="EmailRequiredValidator" runat="server"
ControlToValidate="EmailTextbox" ForeColor="red"
Display="Static" ErrorMessage="Required" /></td>
</tr>
<% If Membership.RequiresQuestionAndAnswer Then %>
<tr>
<td>Password Question:</td>
<td><asp:Textbox id="PasswordQuestionTextbox" runat="server" /></td>
<td><asp:RequiredFieldValidator id="PasswordQuestionRequiredValidator" runat="server"
ControlToValidate="PasswordQuestionTextbox" ForeColor="red"
Display="Static" ErrorMessage="Required" /></td>
</tr>
<tr>
<td>Password Answer:</td>
<td><asp:Textbox id="PasswordAnswerTextbox" runat="server" /></td>
<td><asp:RequiredFieldValidator id="PasswordAnswerRequiredValidator" runat="server"
ControlToValidate="PasswordAnswerTextbox" ForeColor="red"
Display="Static" ErrorMessage="Required" /></td>
</tr>
<% End If %>
<tr>
<td></td>
<td><asp:Button id="CreateUserButton" Text="Create User" OnClick="CreateUser_OnClick" runat="server" /></td>
</tr>
</table>
</form>
</body>
</html>
Keterangan
Instans MembershipCreateUserException kelas dilemparkan ketika CreateUser operasi gagal.
Catatan
Jika Anda tidak terbiasa dengan fitur keanggotaan ASP.NET, lihat Pengantar Keanggotaan sebelum melanjutkan. Untuk daftar topik lain yang terkait dengan keanggotaan, lihat Mengelola Pengguna dengan Menggunakan Keanggotaan.
Properti StatusCode menunjukkan alasan pengecualian sehingga Anda dapat menanganinya dengan tepat.
Konstruktor
MembershipCreateUserException() |
Menginisialisasi instans baru kelas MembershipCreateUserException. |
MembershipCreateUserException(MembershipCreateStatus) |
Menginisialisasi instans MembershipCreateUserException baru kelas dengan nilai yang ditentukan StatusCode . |
MembershipCreateUserException(SerializationInfo, StreamingContext) |
Menginisialisasi instans MembershipCreateUserException baru kelas dengan informasi dan konteks serialisasi yang disediakan. |
MembershipCreateUserException(String) |
Menginisialisasi instans MembershipCreateUserException baru kelas dan mengatur Message properti ke nilai parameter yang disediakan |
MembershipCreateUserException(String, Exception) |
Menginisialisasi instans MembershipCreateUserException baru kelas dan mengatur Message properti ke yang disediakan |
Properti
Data |
Mendapatkan kumpulan pasangan kunci/nilai yang memberikan informasi tambahan yang ditentukan pengguna tentang pengecualian. (Diperoleh dari Exception) |
HelpLink |
Mendapatkan atau mengatur tautan ke file bantuan yang terkait dengan pengecualian ini. (Diperoleh dari Exception) |
HResult |
Mendapatkan atau menetapkan HRESULT, nilai numerik berkode yang ditetapkan ke pengecualian tertentu. (Diperoleh dari Exception) |
InnerException |
Mendapatkan instans Exception yang menyebabkan pengecualian saat ini. (Diperoleh dari Exception) |
Message |
Mendapatkan pesan yang menjelaskan pengecualian saat ini. (Diperoleh dari Exception) |
Source |
Get dan set nama aplikasi atau objek yang menyebabkan kesalahan. (Diperoleh dari Exception) |
StackTrace |
Mendapatkan representasi string dari bingkai langsung pada tumpukan panggilan. (Diperoleh dari Exception) |
StatusCode |
Mendapatkan deskripsi alasan pengecualian. |
TargetSite |
Mendapatkan metode yang melemparkan pengecualian saat ini. (Diperoleh dari Exception) |
Metode
Equals(Object) |
Menentukan apakah objek yang ditentukan sama dengan objek saat ini. (Diperoleh dari Object) |
GetBaseException() |
Ketika ditimpa di kelas turunan, mengembalikan Exception yang merupakan akar penyebab dari satu atau beberapa pengecualian berikutnya. (Diperoleh dari Exception) |
GetHashCode() |
Berfungsi sebagai fungsi hash default. (Diperoleh dari Object) |
GetObjectData(SerializationInfo, StreamingContext) |
Mengisi dengan data yang SerializationInfo diperlukan untuk membuat serialisasi objek target. |
GetType() |
Mendapatkan jenis runtime instans saat ini. (Diperoleh dari Exception) |
MemberwiseClone() |
Membuat salinan dangkal dari yang saat ini Object. (Diperoleh dari Object) |
ToString() |
Membuat dan mengembalikan representasi string dari pengecualian saat ini. (Diperoleh dari Exception) |
Acara
SerializeObjectState |
Kedaluwarsa.
Terjadi ketika pengecualian diserialisasikan untuk membuat objek status pengecualian yang berisi data berseri tentang pengecualian. (Diperoleh dari Exception) |