<div>
I solved it myself in the end the webconfig file must contain the line<br />
<br />
&lt;httpRuntime maxRequestLength=&quot;100000&quot; requestValidationMode=&quot;2.0<wbr />&quot;/&gt;
</div>


I solved it myself in the end the webconfig file must contain the line

<httpRuntime maxRequestLength="100000" requestValidationMode="2.0"/>

<div>
<div class="content wysiwyg-content">
Folks,<br />
I am developing a ASP.Net application. I have extensively used AJAX in my development. Frequently, when I submit a form which generates a pdf dynamically based on the form contents submitted, I get the error:<br />
Sys.WebForms.PageRequestMa<wbr />nagerServe<wbr />rErrorExce<wbr />ption: An unknown error occurred while processing the request on the server. The status code returned from the server was: 500<br />
<br />
I tried reinstalling AJAX but it did not help. <br />
<br />
Please help
</div>
</div>


Folks,
I am developing a ASP.Net application. I have extensively used AJAX in my development. Frequently, when I submit a form which generates a pdf dynamically based on the form contents submitted, I get the error:
Sys.WebForms.PageRequestManagerServerErrorException: An unknown error occurred while processing the request on the server. The status code returned from the server was: 500

I tried reinstalling AJAX but it did not help. 

Please help

AJAX Exception

The .NET Framework is not specific to any one programming language; rather, it includes a library of functions that allows developers to rapidly build applications. Several supported languages include C#, VB.NET, C++ or ASP.NET.

.NET Programming

The successor to Active Server Pages, ASP.NET websites utilize the .NET framework to produce dynamic, data and content-driven web applications and services. ASP.NET code can be written using any .NET supported language. As of 2009, ASP.NET can also apply the Model-View-Controller (MVC) pattern to web applications

ASP.NET

C# is an object-oriented programming language created in conjunction with Microsoft’s .NET framework. Compilation is usually done into the Microsoft Intermediate Language (MSIL), which is then JIT-compiled to native code (and cached) during execution in the Common Language Runtime (CLR).