asp.net - Auto-saving in VB.NET after inactivity -

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I am in the best way to accomplish this. I am running a VB.NET web application that will automatically redirect to a main index page after about 20 minutes of inactivity. Before this redirection I want to "autosave" our SQL server. But I can not understand any way to trigger this save function before redirecting. What would be the best solution for this, provided I need to keep my current code the same? 

  Protected sub page_load (e-mail as an object in the form of vilely sender, eventAg) Javascript ClientScript.RegisterClientScriptBlock (Me.GetType) to reload the page after 20 minutes of inactivity (), "Script", "& lt; script language = 'javascript'> setTimeout (function () {window.location = 'http: // www. Txicology.org / ai / meet / master / adminMtgsdept.aspx ';}, 1200000); & lt; / script & gt; ")

Is AJAX an Option? You can use AJAX control toolkit timer controls to trigger the server-side method that saves your data. The timer should be reset after each postback, so if someone walks, then it should set fire after its interval.


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