can any one help to me to get variable from jquery and use in php

Solution:

I understand the question and the answer is going to be complex. First you need to add onChange event to your ProducerType selectbox. Add this at the end of your html:

<script>
$(document).ready(function(){
   // attach event on change
   $('#ProducerType').on('change',function(){
      // call script on server to check if isset() and receive values for Role
      $.get("checkproducer.php?ProducerType="+$('#ProducerType').val(),function(result){
               // here the script on server returned data already
               // update Role selectbox with new values
               $('#Role').html(result)
           })
   })
})
</script>
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Make sure you have jquery.js loaded as usual.

You will need to create a PHP script on server which handles the check and returns new data for your select input. Like this (save as "checkproducer.php"):

<?php
    if ($_GET['ProducerType']=="Principal")
       echo "<option value=1>Principal1</option>"
           ."<option value=2>Principal2</option>";
    if ($_GET['ProducerType']=="Producer")
       echo "<option value=1>Producer1</option>".
           ."<option value=2>Producer2</option>";
    if ($_GET['ProducerType']=="SoleProprietor")
       echo "<option value=1>SoleProprietor1</option>"
           ."<option value=2>SoleProprietor2</option>";

    // etc
?>
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