inserir base dados acess

Dim ConnectionString As New OleDbConnection("Provider=Microsoft.Jet.OLEDB.4.0; Data Source=" & Application.StartupPath & "pedro..accdb")
Dim query As String = "INSERT INTO Clientes([Nome], [Empresa]) VALUES (@Nome, @Empresa)"

Dim command As New OleDbCommand(query, ConnectionString)

command.Parameters.Add("@Nome", OleDbType.VarChar).Value = NomeTextbox.Text
command.Parameters.Add("@Empresa", OleDbType.VarChar).Value = EmpresaTextbox.Text

ConnectionString.Open()

Dim x As Integer = command.ExecuteNonQuery()

If x < 1 Then
     MessageBox.Show("Erro ao inserir", My.Application.Info.Title, MessageBoxButtons.OK, MessageBoxIcon.Error)
Else
     MessageBox.Show("Registo inserido com sucesso!", My.Application.Info.Title, MessageBoxButtons.OK, MessageBoxIcon.Information)
End If

ConnectionString.Close()
command = Nothing