private void cbo_C1_SelectedValueChanged(object sender, EventArgs e)
{
DataTable dt = sub.GetHLKMAXZSByC(cbo_C1.EditValue.ToString());
if (dt.Rows.Count > 0)
{
txt_ZDZS.Text = dt.Rows[0]["N_COOLPIT_TIER_NUM"].ToString();
txt_KCZS.Text = sub.GetHLKZSByC(cbo_C1.Text).ToString();
}
}
