DatePicker 控件赋初值

private void button11_Click(object sender, EventArgs e)
{
	int n = dataGridView1.Rows.Add();
	dataGridView1.Rows[n].Cells[0].Value = (n + 1).ToString();
	dataGridView1.Rows[n].Cells[1].Value = dateTimePicker1.Value.ToString("dd-MM-yyyy");
}

private void dataGridView1_CellMouseClick(object sender, DataGridViewCellMouseEventArgs e)
{
	DateTime dt = DateTime.ParseExact(dataGridView1.CurrentCell.Value.ToString(), "dd-MM-yyyy", CultureInfo.InvariantCulture) dateTimePicker1.Value = dt;
}