ValidatePasswordEventArgs(String, String, Boolean) Construtor
Definição
Cria uma nova instância da classe ValidatePasswordEventArgs.Creates a new instance of the ValidatePasswordEventArgs class.
public:
ValidatePasswordEventArgs(System::String ^ userName, System::String ^ password, bool isNewUser);
public ValidatePasswordEventArgs (string userName, string password, bool isNewUser);
new System.Web.Security.ValidatePasswordEventArgs : string * string * bool -> System.Web.Security.ValidatePasswordEventArgs
Public Sub New (userName As String, password As String, isNewUser As Boolean)
Parâmetros
- userName
- String
O nome de usuário associado da ação atual de criar usuário, alterar senha ou redefinir senha.The membership user name for the current create-user, change-password, or reset-password action.
- password
- String
A nova senha do usuário associado especificado.The new password for the specified membership user.
- isNewUser
- Boolean
true se o evento estiver ocorrendo enquanto um novo usuário é criado; caso contrário, false.true if the event is occurring while a new user is being created; otherwise, false.
Exemplos
O exemplo de código a seguir mostra uma implementação de exemplo ChangePassword que cria um novo ValidatePasswordEventArgs objeto a ser passado para o ValidatingPassword evento.The following code example shows a sample ChangePassword implementation that creates a new ValidatePasswordEventArgs object to pass to the ValidatingPassword event.
public override bool ChangePassword(string username, string oldPwd, string newPwd)
{
if (!ValidateUser(username, oldPwd))
{
return false;
}
ValidatePasswordEventArgs args =
new ValidatePasswordEventArgs(username, newPwd, true);
OnValidatingPassword(args);
if (args.Cancel)
if (args.FailureInformation != null)
throw args.FailureInformation;
else
throw new MembershipPasswordException("Change password canceled due to new password validation failure.");
OdbcConnection conn = new OdbcConnection(ConnectionString);
OdbcCommand cmd = new OdbcCommand("UPDATE Users " +
" SET Password = ?, LastPasswordChangedDate = ? " +
" WHERE Username = ? AND Password = ? AND ApplicationName = ?", conn);
cmd.Parameters.Add("@Password", OdbcType.VarChar, 128).Value = EncodePassword(newPwd);
cmd.Parameters.Add("@LastPasswordChangedDate", OdbcType.DateTime).Value = DateTime.Now;
cmd.Parameters.Add("@Username", OdbcType.VarChar, 255).Value = username;
cmd.Parameters.Add("@OldPassword", OdbcType.VarChar, 128).Value = oldPwd;
cmd.Parameters.Add("@ApplicationName", OdbcType.VarChar, 255).Value = ApplicationName;
int rowsAffected = 0;
try
{
conn.Open();
rowsAffected = cmd.ExecuteNonQuery();
}
catch (OdbcException)
{
// Handle exception.
}
finally
{
conn.Close();
}
if (rowsAffected > 0)
{
return true;
}
return false;
}
Public Overrides Function ChangePassword(username As String, _
oldPwd As String, _
newPwd As String) As Boolean
If Not ValidateUser(username, oldPwd) Then
Return False
End If
Dim args As ValidatePasswordEventArgs = _
New ValidatePasswordEventArgs(username, newPwd, True)
OnValidatingPassword(args)
If args.Cancel Then
If Not args.FailureInformation Is Nothing Then
Throw args.FailureInformation
Else
Throw New MembershipPasswordException("Change password canceled due to New password validation failure.")
End If
End If
Dim conn As OdbcConnection = New OdbcConnection(ConnectionString)
Dim cmd As OdbcCommand = New OdbcCommand("UPDATE Users " & _
" SET Password = ?, LastPasswordChangedDate = ? " & _
" WHERE Username = ? AND Password = ? AND ApplicationName = ?", conn)
cmd.Parameters.Add("@Password", OdbcType.VarChar, 128).Value = EncodePassword(newPwd)
cmd.Parameters.Add("@LastPasswordChangedDate", OdbcType.DateTime).Value = DateTime.Now
cmd.Parameters.Add("@Username", OdbcType.VarChar, 255).Value = username
cmd.Parameters.Add("@OldPassword", OdbcType.VarChar, 128).Value = oldPwd
cmd.Parameters.Add("@ApplicationName", OdbcType.VarChar, 255).Value = ApplicationName
Dim rowsAffected As Integer = 0
Try
conn.Open()
rowsAffected = cmd.ExecuteNonQuery()
Catch e As OdbcException
' Handle exception.
Finally
conn.Close()
End Try
If rowsAffected > 0 Then Return True
Return False
End Function
Comentários
O ValidatePasswordEventArgs Construtor é usado por uma implementação de provedor de associação CreateUser nas ChangePassword ResetPassword implementações do método, e.The ValidatePasswordEventArgs constructor is used by a membership provider implementation in the CreateUser, ChangePassword, and ResetPassword method implementations.