0 ){
echo '';
while($row = mysqli_fetch_array($res1)){
echo '';
}
}else{
echo '';
}
}
if(($_POST['action']=="unit")){
$res1 = mysqli_query($conn,"select * from primery_unit");
if(mysqli_num_rows($res1) > 0 ){
echo '';
while($row = mysqli_fetch_array($res1)){
echo '';
}
}else{
echo '';
}
}