How to input data from DataGridView to MS Access?

Question

I am creating an Attendance Monitoring System I was able to input data from dateTimePicker to DataGridView, Now I wanna know  how to connect the form to ms access and save it there, here is a sample of my code:

 

private void button1_Click(object sender, EventArgs e)

{

int n = dataGridView1.Rows.Add();

dataGridView1.Rows[n].Cells[3].Value = dateTimePicker1.Value.ToString();

}

 

To see the rest of my code check the attachment