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I have deleted the file &quot;PrecompiledApp.config&quot; and put back the app_code folder and I no longer get this error.<br />
<br />
Thank you.
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I have deleted the file "PrecompiledApp.config" and put back the app_code folder and I no longer get this error.

Thank you.

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I hired a programmer to write code in ASP.NET. The code was working last week. Now when I run the code, I get an error:<br />
The directory '/App_Code/' is not allowed because the application is precompiled. <br />
<br />
The code is to process payments with SAGE PAY on a website. The server is now running Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.0.30319.1025<br />
<br />
I removed the /app_code folder and received a different error:<br />
The file '/payment.aspx' has not been pre-compiled, and cannot be requested. <br />
&nbsp;<br />
I have tried to get in touch with the programmer, but he has not yet responded (he might still respond...)<br />
<br />
WE are dealing with a program that used to work. <br />
<br />
I understand bits of ASP.NET, but not a lot. I do not know if the programmer delivered to me a compiled program or not. I do see a program payment.aspx.cs which contains regular code.<br />
<br />
Any suggestions to get this work would be most appreciated.
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I hired a programmer to write code in ASP.NET. The code was working last week. Now when I run the code, I get an error:
The directory '/App_Code/' is not allowed because the application is precompiled. 

The code is to process payments with SAGE PAY on a website. The server is now running Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.0.30319.1025

I removed the /app_code folder and received a different error:
The file '/payment.aspx' has not been pre-compiled, and cannot be requested. 
 
I have tried to get in touch with the programmer, but he has not yet responded (he might still respond...)

WE are dealing with a program that used to work. 

I understand bits of ASP.NET, but not a lot. I do not know if the programmer delivered to me a compiled program or not. I do see a program payment.aspx.cs which contains regular code.

Any suggestions to get this work would be most appreciated.

ASP.NET program stopped working mysteriously

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

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

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).