function deleteDailySupply($supcode, $date)
 {
     $dbmain = new DBmain();
     $condition = "supplier_code='" . $supcode . "' AND date='" . $date . "'";
     $boolres = $dbmain->delete("daily_supply", $condition);
     if ($boolres == true) {
         return true;
     } else {
         return false;
     }
 }
 function deleteTodaySupply($supcode)
 {
     $dbmain = new DBmain();
     $condition = "supplier_code='" . $supcode . "'";
     $boolres = $dbmain->delete("today_supply", $condition);
     if ($boolres == true) {
         return true;
     } else {
         return false;
     }
 }