Build a Website

Dear All , As you can see on the attached video ... our website is now working but it's tooo slow . the reason is because every time the user search or add an item .. the webpage has to reload again . even after submitting the request .. it will take time untill the crystal report is generated and sent by email . i need to change the design to make it faster (cancel the pager reloading each time ... using JQuery for example ) The website is programmed by C# ASP.NET Kindly show me and example to approve it then i can send you