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Inform user when MovingPage has been cancelled
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Hello,
We are using the MovingPage-event to prevent pages from being removed in some cases. When we set CancelAction to true however, we want to inform the user that the action has been cancelled and the reason for this. Is it possible to return an error message to the user from global.asax? Perhaps a javascript alert window or something like that?
Thanks,
Christoffer
May 22, 2007 17:18
I managed to do this by running the following code just before setting CancelAction = true
#15316
string JavaScriptString = "";
HttpContext.Current.Response.Write(String.Format(JavaScriptString, "error message"));
/Christoffer
May 23, 2007 11:12
Hi Christoffer! Im afraid that there is no supported way to "send" an error message back to the user, PageEventArgs doesnt contain such a "channel". A somewhat "hacky" (and thus unsupported) way to accomplish this would be to use HttpContext.Current.Handler and register some javascript to be executed when page loads. Something like this:
#15317
protected static void OnMovingPage(object sender, PageEventArgs e) { e.CancelAction = true; if (null != HttpContext.Current) { Page page = HttpContext.Current.Handler as Page; if (null != page) { page.ClientScript.RegisterClientScriptBlock(typeof(debug), "message", @"
<SCRIPT type=text/javascript><![CDATA[
window.attachEvent('onload', function () { alert('Couldnt delete page because....'); });
]]></SCRIPT>
"); } } } Note that you have to check HttpContext.Current.Handler for validity, as the MovingPage event might be triggered from scheduled jobs or other background threads running without user intervention. Best regards, Johan Olofsson EPiServer AB
May 23, 2007 11:12
