public void Send_Click(object sender, EventArgs e)
{
    string ID;
    string Error;
    Error = "Please enter a valid ID, then submit.";
    ID = Identification.Text;
    if (ID.Length != 5)
    {
        Identification.Text = " ";
        Identification.Focus();
        MessageBox.Show(Error);
    }
    else
    {
        Identification.Text = " ";
        Identification.Focus();
        DetailForm Detail = new DetailForm();
        Detail.Show();
    }
}