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Check to see if the session exists/persists before you run that line of code. &nbsp;<br />
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It's worth pointing out that sessions expire in production as well as in development.
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Check to see if the session exists/persists before you run that line of code.  

It's worth pointing out that sessions expire in production as well as in development.

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The session does expire. But shouldn't as my settings for the sessionstate in application and IIS are set too high. Why would modifying an aspx code and refreshing the browser page cause it to reset the session ?
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The session does expire. But shouldn't as my settings for the sessionstate in application and IIS are set too high. Why would modifying an aspx code and refreshing the browser page cause it to reset the session ?

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Developing on an Asp.Net project in visual studio, i am curious why it crashes very often in a line like this:<br />
<br />
myPage.RegisterClientScrip<wbr />tBlock(&quot;AJ<wbr />AX_GRID_UP<wbr />LOAD&quot;, &quot;&lt;script src='&quot; + System.Web.HttpContext.Cur<wbr />rent.Sessi<wbr />on[Session<wbr />Constants.<wbr />APPLICATIO<wbr />N_ROOT].To<wbr />String() + &quot;CustomControls/AjaxUpdate<wbr />PanelGrid.<wbr />js'&gt;&lt;/scri<wbr />pt&gt;&quot;);<br />
<br />
It has something to do with session expiration. For example, often when i make changes to code in aspx and hit refresh page while in debugging mode, i see my application crashing to that line of code. I would like to avoid it if possible.<br />
<br />
<br />
<br />
Thanks
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Developing on an Asp.Net project in visual studio, i am curious why it crashes very often in a line like this:

myPage.RegisterClientScriptBlock("AJAX_GRID_UPLOAD", "<script src='" + System.Web.HttpContext.Current.Session[SessionConstants.APPLICATION_ROOT].ToString() + "CustomControls/AjaxUpdatePanelGrid.js'></script>");

It has something to do with session expiration. For example, often when i make changes to code in aspx and hit refresh page while in debugging mode, i see my application crashing to that line of code. I would like to avoid it if possible.



Thanks

ASP.NET DEVELOPMENT DEBUGGING MODE - Random crash

The successor to Active Server Pages, ASP.NET websites utilize the .NET framework to produce dynamic, data and content-driven web applications and services. ASP.NET code can be written using any .NET supported language. As of 2009, ASP.NET can also apply the Model-View-Controller (MVC) pattern to web applications

ASP.NET

Web development can range from developing the simplest static single page of plain text to the most complex web-based internet applications, electronic businesses, and social network services using a wide variety of languages and standards, including the familiar HTML, JavaScript and jQuery, ASP and ASP.NET, PHP, ColdFusion, CSS, PHP, Flex and Flash, but also the implementation of a broad list of standards including XML, WSDL, SSDL, VoiceXML and many more.

Web Languages and Standards

Web development includes all aspects of presenting content on intranets and the Internet, including delivery development, protocols, languages and standards, server software, browser clients, databases and multimedia generation.