从web页面轮询数据库?——ASP.NET

Here's what I am trying to do. I have a website that lets users submit requests that are queued up in a Jobs table that the service picks up and processes. I have a status column in the table that denotes whether the request is queued up for processing or being currenty processed by the service or the service has completed processing the request. The entire process takes a few minutes.Here's what I am trying to do. I have a website