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I have a problem when I have uploaded my web application to webserver & the error is like this:
The configuration section 'system.web.extensions' cannot be read because it is missing a section declaration

& When I visit that pages it shows "500 - Internal server error.
There is a problem with the resource you are looking for, and it cannot be displayed." this error...

<?xml version="1.0"?>
  For more information on how to configure your ASP.NET application, please visit
        <jsonSerialization maxJsonLength="500000000"/>

    <trust level="Full"/>
      <trustLevel name="Full" policyFile="internal"/>
    <compilation debug="true" targetFramework="4.0">
        <add assembly="System.Design, Version=, Culture=neutral, PublicKeyToken=B03F5F7F11D50A3A"/>
        <add assembly="System.Windows.Forms, Version=, Culture=neutral, PublicKeyToken=B77A5C561934E089"/>
        <add assembly="mscorlib, Version=, Culture=neutral, PublicKeyToken=B77A5C561934E089"/>
        <add src="~/UserControls/Chart.ascx" tagName="Chart" tagPrefix="MAS"/>

Please help me to resolve this error......
Updated 7-Feb-14 19:29pm
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Solution 1

check this sys.web.extension[^]
HardikPatel.SE 8-Feb-14 1:20am
Thanks For the solution but sorry bro it is not working in my application.... :(
Karthik_Mahalingam 8-Feb-14 1:24am
which framework are you using ?
HardikPatel.SE 8-Feb-14 1:30am
4.0 bro.....
Karthik_Mahalingam 8-Feb-14 1:35am
did u check tadit solution.
Karthik_Mahalingam 8-Feb-14 1:39am
try removing form config
use like this
new JavaScriptSerializer().MaxJsonLength = 500000000; in c# code
HardikPatel.SE 8-Feb-14 2:55am
Okay bro.... I'll try it.... Thanq....

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