[Solved] Bootstrap Modal Popup Auto Closes on PostBack in ASP.Net

hello all

i saw http://aspforums.net/Threads/135882/Solved-Bootstrap-Modal-Dialog-Popup-example-in-ASPNet/

when i use html button as a save button then i can stop hiding popup 

but when i used asp.net  button then hide popup after clicking

how can i stop hinding after click  save button ,?

i have some requrement to save data and get some output on popup after button click(asp.net buuton ). please suggest me anyone .

thanks in advance.