/// <summary>
/// =
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void button21_Click(object sender, EventArgs e)
{
this.textBox2.Text = Controller.GetInstance().Result(this.textBox1.Text + this.textBox2.Text).ToString();
this.textBox1.Text = "";
Clear_Form_Order = true;
}