How to retrieve JSON via ASP.Net context.Request

var OrderInfo = {"ProductID": "ProductIDValue", "ProductName": "ProductName", "Quantity": 1, "Amount": 9999, "SLQuantity": 9999, "SLDate": "08/03/2010" }; var DTO = { 'OrderInfo': OrderInfo }; $.ajax({ type: "POST", contentType: "application/json; charset=utf-8", url: "JasonHandler.ashx", data: JSON.stringify(DTO), dataType: "json" }); I’m trying to retrieve posted JSON data on server side in an ASHX file via this code: string strrequest … Read more

Sys.WebForms.PageRequestManagerServerErrorException: An unknown error occurred while processing the request on the server.”

I have couple of update panels and jquery tabs on page. And also I am loading couple user controls on update panels. After user waited for couple of minutes (not checked the time approx 40 mins). when user send request from submit button it is giving below error?