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Sys.WebForms.PageRequestManagerServerErrorException in ASP Grid


Following exception occurs when bind the large amount of data.


ScriptResource.axd:885 Uncaught Error: Sys.WebForms.PageRequestManagerServerErrorException: An unknown error occurred while processing the request on the server. The status code returned from the server was: 500(…)





The cause of this issue is due to sending huge amount of data from the server.




  Please find the following solutions:


  1. For List collection of Data


                  Use ‘WebMethodAdaptor’ of DataManager for List collection data. Already we discussed about this in our knowledgebase. Please find the online link.


Serverside operations  : https://www.syncfusion.com/kb/4300/server-side-api-for-datamanager-operations


Maxjson -length : https://www.syncfusion.com/kb/3063/script-error-throws-for-exceeding-maxjson-length-while-performing-serialization-or-deserialization



  1.  For SQL Data binding


     Bind datasource using SqlDataSource control and enable “EnableLoadOnDemand” property of Grid . Please find the code example.












Article ID: Published Date: Last Revised Date: Platform: Control:
8278 01/09/2018 01/09/2018 JavaScript ejGrid
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