Log-in form just 'standing still'

Hello
My Register.aspx file inserts the username and password into a database in my App_Data folder but when I open that database a choose a username and password at random and type them in my Login form (Login.aspx), the form just 'stands still'. I don't get any errors, but usually I would have thought the script in Login.aspx.vb should have a 'SELECT FROM...' statement to validate user details in the database (it does not have that SELECT statement), and even if the log-in credentials were correct (which they are - and I am just copying and pasting from the database), there is no 'hidden' page to direct the user to once he has logged in - in other words, that page which he needs to log-in to in order to gain access.
I have the form field data in Login.aspx and in aspx.vb, I have:
Partial Public Class Account_Login Inherits Page Protected Sub Page_Load(sender As Object, e As EventArgs) Handles Me.Load Re ...