I am using Active directory for Authentication from my aspx page. I provided the option for changing the password.
I couldable to change the Password in Active Directory.

The problem when login it is taking both old password and new password. If i rebuild the project then it is taking only new password. How Can i rectify this.

Please help me

The Code is given Below

Dim deSearch As DirectorySearcher = New DirectorySearcher
                deSearch.SearchRoot = de
                deSearch.Filter = "(&(objectClass=user) (sAMAccountName=" + Trim(txtlogin.Text) + "))"
                Dim result As SearchResult = deSearch.FindOne()
                result.GetDirectoryEntry.Invoke("ChangePassword", New Object() {Trim(txtpwd.Text), newPassword})
                de_user.CommitChanges()
                result.GetDirectoryEntry.CommitChanges()
                de_user.RefreshCache()