Progress bar not displaying while using fileupload in ajax

Hi sir,
I used fileupload control inside the ajax updatepanel, progress bar not displaying while uploading. In my project , i uploaded excel file, and read the contents and insert into database. My problem is, progress bar not displaying while upload operation, it takes 2 mins to complete the entire process of uploading work. I shared the code for your reference. Kindly give me the solution for this problem.

Code: