ส่งค่าจาก Java Script เพื่อบันทึกลงฐานข้อมูลยังไงครับ

<h1><p align="center">จัดทำใบสั่งซื้อ</p></h1>
    
    <table id="myTable" class="table table-bordered">
    <tr><th>ลำดับที่</th><th>รายการ</th><th>จำนวน</th><th>หน่วยนับ</th><th>ราคาต่อหน่วย</th><th>จำนวนเงิน</th></tr>
	</table>


<button onclick="add_row()">เพิ่มแถว</button>
<button onclick="del_row()">ลบแถว</button>

<form method="post" action="index.php?module=material&action=calculate">
<center><input type="submit" value="ยืนยันการทำใบสั่งซื้อ" /><input type="reset" value="ยกเลิก" /></center>
</form>
<script>

function add_row() {
    var table = document.getElementById("myTable");
    count_rows = table.getElementsByTagName("tr").length;

    var row = table.insertRow(count_rows);
    var cell1 = row.insertCell(0);
    var cell2 = row.insertCell(1);
	var cell3 = row.insertCell(2);
	var cell4 = row.insertCell(3);
	var cell5 = row.insertCell(4);
	var cell6 = row.insertCell(5);
	
	
	cell1.innerHTML = count_rows;
    cell2.innerHTML = "<input type='text' name='mat_name'"+count_rows+" size='20px' value>";
    cell3.innerHTML = "<input type='text' name='amount'"+count_rows+" size='4px' value>";
	cell4.innerHTML = "<input type='text' name='unit'"+count_rows+" size='4px' value>";
	cell5.innerHTML = "<input type='text' name='price_unit'"+count_rows+" size='4px' value>";
	cell6.innerHTML = "<input type='text' name='total_price'"+count_rows+" size='4px' value>";
	
}

	function del_row(){
    var table = document.getElementById("myTable");
    count_rows = table.getElementsByTagName("tr").length;
    document.getElementById("myTable").deleteRow(count_rows-1);
	}
	
</script>