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Custom membership provider - help needed

I need to implement a login system using Asp.net 2.0 login
module( membership provider) with password being case insensitive. I
wrote a class Accessmembershipprovider.vb and below is my code.
Somehow, it does seem that the validate users logic is picking this
new code up. Can anyone tell me what I might have missed out?

Regards
================================================== >
Imports Microsoft.VisualBasic
Imports System.Data
Imports System.Web.Configuration
Imports System.Data.SqlClient

Public Class AccessMembershipProvider
Inherits MembershipProvider

Public Overrides Sub Initialize(ByVal name As String, ByVal config
As System.Collections.Specialized.NameValueCollection )

End Sub

Public Overrides Property ApplicationName() As String
Get
End Get
Set(ByVal value As String)
End Set
End Property

Public Overrides Function ChangePassword(ByVal username As String,
ByVal oldPassword As String, ByVal newPassword As String) As Boolean

End Function

Public Overrides Function ChangePasswordQuestionAndAnswer(ByVal
username As String, ByVal password As String, ByVal
newPasswordQuestion As String, ByVal newPasswordAnswer As String) As
Boolean

End Function

Public Overrides Function CreateUser(ByVal username As String,
ByVal password As String, ByVal email As String, ByVal
passwordQuestion As String, ByVal passwordAnswer As String, ByVal
isApproved As Boolean, ByVal providerUserKey As Object, ByRef status
As System.Web.Security.MembershipCreateStatus) As
System.Web.Security.MembershipUser

End Function

Public Overrides Function DeleteUser(ByVal username As String,
ByVal deleteAllRelatedData As Boolean) As Boolean

End Function

Public Overrides ReadOnly Property EnablePasswordReset() As
Boolean
Get

End Get
End Property

Public Overrides ReadOnly Property EnablePasswordRetrieval() As
Boolean
Get

End Get
End Property

Public Overrides Function FindUsersByEmail(ByVal emailToMatch As
String, ByVal pageIndex As Integer, ByVal pageSize As Integer, ByRef
totalRecords As Integer) As
System.Web.Security.MembershipUserCollection

End Function

Public Overrides Function FindUsersByName(ByVal usernameToMatch As
String, ByVal pageIndex As Integer, ByVal pageSize As Integer, ByRef
totalRecords As Integer) As
System.Web.Security.MembershipUserCollection

End Function

Public Overrides Function GetAllUsers(ByVal pageIndex As Integer,
ByVal pageSize As Integer, ByRef totalRecords As Integer) As
System.Web.Security.MembershipUserCollection

End Function

Public Overrides Function GetNumberOfUsersOnline() As Integer

End Function

Public Overrides Function GetPassword(ByVal username As String,
ByVal answer As String) As String

End Function

Public Overloads Overrides Function GetUser(ByVal username As
String, ByVal userIsOnline As Boolean) As
System.Web.Security.MembershipUser

End Function

Public Overloads Overrides Function GetUser(ByVal providerUserKey
As Object, ByVal userIsOnline As Boolean) As
System.Web.Security.MembershipUser

End Function

Public Overrides Function GetUserNameByEmail(ByVal email As
String) As String

End Function

Public Overrides ReadOnly Property MaxInvalidPasswordAttempts() As
Integer
Get

End Get
End Property

Public Overrides ReadOnly Property
MinRequiredNonAlphanumericCharacters() As Integer
Get

End Get
End Property

Public Overrides ReadOnly Property MinRequiredPasswordLength() As
Integer
Get

End Get
End Property

Public Overrides ReadOnly Property PasswordAttemptWindow() As
Integer
Get

End Get
End Property

Public Overrides ReadOnly Property PasswordFormat() As
System.Web.Security.MembershipPasswordFormat
Get

End Get
End Property

Public Overrides ReadOnly Property
PasswordStrengthRegularExpression() As String
Get

End Get
End Property

Public Overrides ReadOnly Property RequiresQuestionAndAnswer() As
Boolean
Get

End Get
End Property

Public Overrides ReadOnly Property RequiresUniqueEmail() As
Boolean
Get

End Get
End Property

Public Overrides Function ResetPassword(ByVal username As String,
ByVal answer As String) As String

End Function

Public Overrides Function UnlockUser(ByVal userName As String) As
Boolean

End Function

Public Overrides Sub UpdateUser(ByVal user As
System.Web.Security.MembershipUser)

End Sub

Public Overrides Function ValidateUser(ByVal username As String,
ByVal password As String) As Boolean
Dim strconnectionString As String =
WebConfigurationManager.ConnectionStrings("LocalSq lServer").ConnectionString
Dim con As New SqlConnection(strconnectionString)

Try
con.Open()
Dim sql As String = "Select * From Membership WHERE " & _
"username=@username AND password=@password"
Dim comm As New SqlCommand(sql, con)
password = password.ToUpper()
comm.Parameters.AddWithValue("@username", username)
comm.Parameters.AddWithValue("@password", password)
Dim reader As SqlDataReader = comm.ExecuteReader
If reader.HasRows Then
Return True
Else
Return False
End If
con.Close()

Catch ex As Exception
Console.Write(ex.ToString)
Return False
End Try
End Function
End Class

Apr 30 '07 #1
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