asp.net problem autonumber?

[Laura]

I want to add clients in my database.
I've done autonumber in the database (access)
why does visual studio take this not into account?

if I do klantid += 1 then it gives number 1
if I do klantid += 8 then it gives number 8

I want just an autonumber but what do I type??


Protected Sub cmdversturen_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles cmdversturen.Click

Dim klantid As Integer = 0
Dim naam As String = txtNaam.Text
Dim voornaam As String = txtVoornaam.Text
Dim gebruikersnaam As String = txtgebruikersnaam.Text
Dim wachtwoord As String = txtwachtwoord.Text


klantid += 8

serviceKlant.invoegenklant(klantid, naam, voornaam, gebruikersnaam, wachtwoord)

Response.Redirect("ingelogd.aspx")
End Sub


thanks in advance