/*
  * 휴폐업조회 조회단가를 확인합니다.
  * - https://docs.popbill.com/closedown/dotnetcore/api#GetUnitCost
  */
 public IActionResult GetUnitCost()
 {
     try
     {
         var result = _closedownService.GetUnitCost(corpNum);
         return(View("Result", result));
     }
     catch (PopbillException pe)
     {
         return(View("Exception", pe));
     }
 }
        private void btnUnitCost_Click(object sender, EventArgs e)
        {
            try
            {
                float unitCost = closedownService.GetUnitCost(txtCorpNum.Text);

                MessageBox.Show(unitCost.ToString());
            }
            catch (PopbillException ex)
            {
                MessageBox.Show(ex.code.ToString() + " | " + ex.Message);
            }
        }