private void textBox1_TextChanged(object sender, EventArgs e) { if (textBox1.Text.Length != 4) { return; } if (int.TryParse(textBox1.Text, out int code)) { dataGridView1.DataSource = YahooFInanceConToViewData.TradeIndexsWhereCode(code); } else { MessageBox.Show("数字を入力してください"); } }
private void dateTimePicker2_CloseUp(object sender, EventArgs e) { dataGridView1.DataSource = YahooFInanceConToViewData.TradeIndexsWhereDatetime(dateTimePicker2.Value); }