how to open multiple modal click on id? - php

Question

code:
<style>
.modal {
display: none;
position: fixed;
z-index: 1;
padding-top: 100px;
left: 0;
top: 0;
width: 100%;
height: 100%;
overflow: auto;
background-color: rgb(0,0,0);
background-color: rgba(0,0,0,0.4);
}
.modal-content {
background-color: #fefefe;
margin: auto;
padding: 20px;
border: 1px solid #888;
width: 80%;
}
.close {
color: #aaaaaa;
float: right;
font-size: 28px;
font-weight: bold;
}
.close:hover,
.close:focus {
color: #000;
text-decoration: none;
cursor: pointer;
}
</style>
<script>
var modal = document.getElementById('myModal');
var btn = document.getElementById("myBtn");
var span = document.getElementsByClassName("close")[0];
btn.onclick = function() {
modal.style.display = "block";
}
span.onclick = function() {
modal.style.display = "none";
}
window.onclick = function(event) {
if (event.target == modal) {
modal.style.display = "none";
}
}
</script>
<?php
$sql = "select * from enquires2";
$result = mysqli_query($link,$sql);
while ($row = mysqli_fetch_array($result))
{
?>
<tr>
<td>
<span><img src='gridview/view.png' alt='View' id='myBtn<?php echo $row['id']; ?>'></span>
</td>
</tr>
<div id='myModal' class='modal'>
<div class='modal-content'>
<span class='close'>×</span>
<p>Some text in the Modal..</p>
</div>
</div>
<?php
}
?>
In this code when I click on id i.e.
id='myBtn<?php echo $row['id']; ?>'
it display only one modal but when I click on new row id it show nothing. so, I want to open multiple modal with different row id. How can I fix this issue ? please help.
Thank You