In my program i need to handle with many images.I have to change images dynamically within the page. after change the images i need to refresh the page by clear browser cache.
is there any method to clear cache or event for getting ctrl+f5 or ctrl+shift+del event in javascript or c# by a separate refresh button click. Here I cannot use browser refresh button.
In my program i need to handle with many images.I have to change images dynamically within the page. after change the images i need to refresh the page by clear browser cache.
is there any method to clear cache or event for getting ctrl+f5 or ctrl+shift+del event in javascript or c# by a separate refresh button click. Here I cannot use browser refresh button.
Share Improve this question edited Nov 17, 2011 at 15:00 Joel Coehoorn 417k114 gold badges578 silver badges815 bronze badges asked Aug 20, 2011 at 17:51 KIRAN K JKIRAN K J 7325 gold badges30 silver badges62 bronze badges2 Answers
Reset to default 4No. You can set expiration time to zero, but this can be overridden in browser preferences.
If you really need that the browser don't cache image, generate a random number and place it in the url
you cannot clear browser cache.the only idea is declare a session variable in c# code in page load and set its value is 1 at the very first time
if (!IsPostBack)
{
Session["refresh"]="1"
}
you will need to set session variable in image upload button event Session["refresh"]="1" then create a refresh button .in the button event do the following thats all.after pleteing your upload,click on the refresh button.then it work as ctrl+f5 button.if you not set the session value 0 in refresh button event the last event is again takesplace.if you enter a value in database,the same task takesplace if you not set session variable 0.
if(Session["refresh"].ToString()=="1")
{
Response.Write("<script type='text/javascript'>locaton.reload()</script>");
Session["refresh"]="0";
}