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I have a dropdown A in which on one of the values , 'onselectedindexchanged' i have to display another dropdown B.On selecting the value in A which should display B,i am getting the following error:
 
Microsoft JScript runtime error: Sys.WebForms.PageRequestManagerServerErrorException: An unknown error occurred while processing the request on the server. The status code returned from the server was: 499
 
and Kaspersky
 

CsrBill.aspx Blocked: http://localhost:53144/Project%20Cash/CsrBill.aspx (analysis using the database of phishing URLs) 11/18/2012 8:09:21 PM http://localhost:53144/Project%20Cash/
 

 
And DropDown B not displayed.
 

Please help me out .
Posted 18-Nov-12 5:12am
massab363
Comments
ryanb31 at 20-Nov-12 9:48am
   
So, Kaspersky is blocking your code.
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Solution 2

turning off karspersky solves the issue .but is that the right solution?is it anything related to error in coding?
 
it is a asp:DropDownList with manually given <asp:listitem xmlns:asp="#unknown"> .And one of the <asp:listitem> causes another,
asp:DropDownList,with DataSourceID="SqlDataSource1",and autopostback set.
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Solution 1

I'd expect you'd use an AJAX call to get this value. Kaspersky is retarded, you should turn it off, that could be the cause of your whole error. It should be ignoring localhost.
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