Getting below error while change the dropdown or any button click on aspx page randomly, only on production server IIS and not recreated on local.
sys.webforms.pagerequestmanagerservererrorexception 500.
Following solutions not working for me !!!.
1.
1.
<scripttype="text/javascript"language="javascript">Sys.WebForms.PageRequestManager.getInstance().add_endRequest(EndRequestHandler);functionEndRequestHandler(sender, args){if(args.get_error()!=undefined){
args.set_errorHandled(true);}}</script>
2.<%@ Page ValidateRequest="false" %>
3.
<add key="aspnet:MaxHttpCollectionKeys" value="100000" />
</appSettings>
<system.web.extensions> <scripting> <scriptResourceHandler enableCompression="false" enableCaching="true"/> </scripting> </system.web.extensions>