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onBeforeUnload causing PageRequestManagerParserErrorException

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AjaxPanel
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Ankit
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Ankit asked on 25 Sep 2015, 04:12 AM

Hi, 

I am getting following error If I ​​use any control inside RadAjaxPanel that causes autopostback (such as changing RadComboBox selection), once after seeing the confirmation from "OnBeforeUnload" event and opts to ​Stay on the ​page.

 

Exception: screen:sys.webforms.pagerequestmanagerparsererrorexception

I am using following code for on​BeforeUnload event handling:

                window.onbeforeunload = function(e)
                {                   
                    if (IsDirty() == true)
                    {
                        var ev = e || window.event;
                        ev.returnValue = "Are you sure?";
                        return "Are you sure?";
                    }
                }

Reference url: http://www.telerik.com/forums/isdirty---ajax-dirty-panel

 

Please help me into this issue.

 

thanks!

Ankit

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Ankit
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answered on 25 Sep 2015, 06:06 AM
Update: I am using MasterPage in this.
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Maria Ilieva
Telerik team
answered on 29 Sep 2015, 12:04 PM
Hello,

Please share your page markup as well as the ajax settings so that we can revise them locally and advise you further.

Regards,
Maria Ilieva
Telerik
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Maria Ilieva
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