Why do I lose my javascript from the browser cache after a full page postback?

Posted by burak ozdogan on Stack Overflow See other posts from Stack Overflow or by burak ozdogan
Published on 2010-04-22T09:54:47Z Indexed on 2010/04/22 10:03 UTC
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Hi,

I have an external javascript file which I include to my page on the code behind (as seen below).

My problem is, when I my page makes a postback (not partial one), I check the loaded scripts by using FireBug, and I cannot see the javascript file in the list after the post back. I asusmed once it is included to page on the first load, browser will be caching it so that I do not need to re-include it.

What am I doing wrong?

The way I include the script is here:

protected override void OnInit(EventArgs e)
{

    if (this.Page.IsPostBack==false)
    {
        if (this.Page.ClientScript.IsClientScriptIncludeRegistered("ctlPalletDetail")==false)
        {
            string guidParamToHackBrowserCaching = System.Guid.NewGuid().ToString();
            this.Page.ClientScript.RegisterClientScriptInclude("ctlPalletDetail", ResolveUrl(String.Format("~/clientScripts/ctlLtlRequestDetail.js?par={0}",guidParamToHackBrowserCaching)));
        }
    }

    base.OnInit(e);
}

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