how to call the div class name in asp.net using C#

Question

how to call the div class name in asp.net using C#

 

 My code as follows

 

<div class="popUpContainer"  runat="server">

  <input type="email"  placeholder="Employee ID"> 

</div>

 

Using Javascript i show the above div class name popUpContainer

 

<script>

$(document).ready(function () {

$('.takeMeHere').click(function ()  {

$('.popUpContainer').show();

$('.overlay').show();

})

 

$('.cancel').click(function () {

$('.popUpContainer').hide();

$('.overlay').hide();

})

 

I have image button click code as follows

 

protected void ImageButton1_Click(object sender, ImageClickEventArgs e)

{

    

 

} 

 

in the above imageButton click event i want to display the  class="popUpContainer".

 

for that in the above imagbutton click how to call class popUpContainer class name.