adding new record to database

hi peeps am a newbie and am using visual basic .net 2003. am trying to develope a windows application so that users and input data. the data will then be stored in a database, there will be two forms. the first with a button named "next page" ..when the user hits this button the information he/she inputted will be added to the database then form2 will load.. where he/she is required to input more data.. i go through wit some things .. when i hit the"next page" button page two loads but the data is not sent to the database.. this is my codes.. plz help..

Code:

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Imports System.Data
Public Class Form1
    Inherits System.Windows.Forms.Form
    Dim con As New OleDb.OleDbConnection
    Dim ds As New DataSet
    Dim da As OleDb.OleDbDataAdapter
    Dim sql As String
    Dim cb As New OleDb.OleDbCommandBuilder
    Dim dsNewRow As DataRow
    Dim MaxRows As Integer
    Dim inc As Integer

    Private Sub btnNextPage_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnNextPage.Click

        con.ConnectionString = "PROVIDER=Microsoft.Jet.OLEDB.4.0;Data Source = C:\Documents and Settings\Vern\My Documents\Database\database.mdb"

        con.Open()
        MsgBox("A Connection to the Database is now open")

        sql = "SELECT * FROM nigel"
        da = New OleDb.OleDbDataAdapter(sql, con)
        da.Fill(ds, "AddressBook")

        con.Close()
        MsgBox("The Connection to the Database is now Closed")

        MaxRows = ds.Tables("AddressBook").Rows.Count
        inc = -1

        If inc <> -1 Then

            dsNewRow = ds.Tables("AddressBook").NewRow()

            dsNewRow.Item("Order") = txtOrder.Text

            ds.Tables("AddressBook").Rows.Add(dsNewRow)

            da.Update(ds, "AddressBook")

            MsgBox("New Record added to the Database")

        End If

        objForm1.Visible = False
        objForm2.ShowDialog()
    End Sub
    Private Sub NavigateRecords()
        txtOrder.Text = ds.Tables("AddressBook").Rows(inc).Item("order")
    End Sub
End Class

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