When Press F5 in my web page, it is making fresh call to the page and IsPostBack is false though after many click on button on same page
HI,
I am Using .net 3.5 and vs 2008. In my project there is a Master page also.
Actually my problem is. when navigate to the Page say "Home.aspx", IsPostback is false and relevant code is executed.
After that Button1 is clicked in home page, this time IsPostback is true and corresponding code and Button1_click code is executed.
In this situation F5 is pressed, as per the aspx lifecycle IspostBack is true and Button1_click must be executed. but in my case it is pretty diffrent, i.e IsPostback is false and page is
loading freshly as firstime request to the Home.aspx.
What is the mistake I made??
if(!this.IsPostBack){
ShowGrid(); /// this code executing when click on F5
}
Thanks for the advance.
Thanks & Regards
JNS
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jnagasuresh
11/12/2008 1:06:20 PM
asp.net.ajax-discussion
13973 articles. 
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I don't see the issue here ... F5 refreshes the page - it just a new call to the page so IsPostBack is false.
http://acroitoriu.spaces.live.com
"No complexity beyond what is necessary"
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acroitoriu
11/12/2008 1:47:00 PM
HI,
Thanks for the reply.
Yes You are true if it is after a very first request to the particular page.
but, I am sure that after a button click or any other request from the particular page when we press F5 it must be process last request(which is Ispagepost is true).
I checked with other some dummy wesite which as singel page and just a button, and proved it is true. but with my project it is happening some thing different
.
Thanks & Regards
JNS
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jnagasuresh
11/12/2008 1:59:15 PM
Hi jnagasuresh
In this scenario, I guess your button might be in an UpdatePanel, or does an AJAX call.
If so, it is not an issue, because the AJAX is not post the full page to server. And it is different from a simple page which just contains a button.
Thanks.
Lance Zhang
Microsoft Online Community Support
Please remember to mark the replies as answers if they help and unmark them if they provide no help.
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Lance
11/14/2008 4:38:57 AM
HI,
Thanks for the reply,
You are right, ajax is used in project.
But problem is, at first time loading the page we are checking the session object and retriving the session value and making the session null.
When user press the F5 the request is going as first request, so it is checking the session, this time session is null, so it causes the navigating to error page.
so any alternative? pls respond.
Thanks & Regards
JNS
Remember to click on Mark as answer on the post that helped you
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jnagasuresh
11/14/2008 7:31:51 AM
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