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radalert problem in a postback

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Juan
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Juan asked on 20 May 2008, 02:53 PM
hi at all

i have a problem with the radalert

i want show a radalert after  postback, i can  but my problem is that the radalert
continuous showing in each postback or if i push on the update page button.
my code is this

on the server
//I use this because a iam using a RadAjaxManager   
 RadAjaxManager1.ResponseScripts.Add("Sys.Application.add_load(pru);")

on the client

function pru()
{
    var owdn=radalert("say something");
    owdn.add_close(clean);
}
function clean()
{
    Sys.Application.remove_load(pru);
// this function is solution to my problem , but isn't  complete because if i press a //update button, the radalert come back againĀ”
}
what can i do ? what's wrong ? iam programming on visual basic 2005





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Georgi Tunev
Telerik team
answered on 21 May 2008, 02:08 PM
Hello Juan,

This happens because you have added the script that shows the alert to the RadAjaxManager's ResponseScripts collection. To avoid it, you need to implement a server-side check that will add the script only when needed and to clear it after that.



Best wishes,
Georgi Tunev
the Telerik team

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Lenny_shp
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answered on 31 Oct 2008, 02:08 PM
Can you provide some technique of checking and clearing on the server side?
It seems after adding it on a button event then after postback, it script count is always 0.

RadAjaxManager1.ResponseScripts.Add("Sys.Application.add_load(function(){radalert('Not Available Yet');});")





            If RadAjaxManager1.ResponseScripts.Count > 0 Then
                RadAjaxManager1.ResponseScripts.RemoveAt(0)
            End If
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Lenny_shp
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answered on 31 Oct 2008, 02:08 PM
I found this example in the KB article.

RadAjaxManager1.ResponseScripts.Add("(function(){var f = function(){radalert('Welcome to RadWindow Prometheus!', 330, 210);Sys.Application.remove_load(f);};Sys.Application.add_load(f);})()")
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Juan
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Georgi Tunev
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Lenny_shp
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