ICallBackEventHandler with F5 problem

Question

Hi currently I'm trying to develop a ASP.NET web page implemented ICallBackEventHandler. But I have some problems with F5 .... This is what I did: 1. Get data from database and display as a table 2. Using dropdownlist as the paging ( onchange call a javascript to get data and render to a table again ) 3. Each row have a link to delete ( onclick call a javascript to delete and then get current page number get data and render table again) Everything works just fine until for example I get data from table Student which have 11 rows I set max rows for 1 page is 5  so I have 3 page ( inside dropdowlist ) Then I was at page 1 I try delete a row any row so I had 10 rows remains ( 2 page) then I refresh using F5  then I change to page 2..... this the problem. After that I can not get any data until I click on the address bar and press enter or start a new page F5 just won't work. Appriciate if anyone could help =) Thanks

Yuuki Nguyen · Answer

Hi Joseveee I think it should be the cache problem from FireFox Try to add this on your page load this.Page.Response.AppendHeader(Cache-Control no-cache no-store must-revalidate max-age=0 proxy-revalidate no-transform pre-check=0 post-check=0 private); this.Page.Response.AppendHeader(Pragma no-cache); this.Page.Response.AppendHeader(Expires DateTime.Now.ToString(r)); You might also want to set this for firefox only so use this if (Request.Browser.Browser.ToLower() == gecko) { ....(the code above)... } Yuuki

joseveee · Answer

Thanks Its working like charms

joseveee · Answer

UPDATED: 1. The problem only occurs on FireFox its working fine on IE 2. The problem occurs when there is the increasing or decreasing of the number of pages e.g: I have 11 rows 5 rows will be 1 pages so i have 3 pages total Then I try to delete 1 rows so I left 10 rows which will be 2 pages only so I refresh page using F5 then here it is the problems Same with insert if I insert some rows which leading to increasing of pages  then f5 and then the problem.