modal keep reopen in repeater pager button click ASP.NET

Question

Hello All,

 

I need your support to solve an issue i currently facing in my project.

 

I am using boostrap modal. inside it there is a image(<img>) control to display image and two repeater controls to display comments. this modal is inside a asp:updatePanel and the comment section have a child asp:updatepanel also.

 

When i click on repeater control page button, the modal reopen with next page. My intention is to restrict the modal to close and show next page.

 

Kindly go through the attachment. In this I have mentioned my .aspx code and aspx.cs code as well.