How do I prevent visual studio from loading a pdb from temporary asp net files

Preventing Studio from Loading a PDB from ASP.NET Files

When working with ASP.NET projects in Visual Studio, you may encounter situations where the debugger tries to load a PDB (Program Database) file from the temporary ASP.NET files directory. This can slow down the debugging and cause unnecessary delays. In this article, we will explore a solution to prevent Visual Studio from loading the PDB file from temporary ASP.NET files.

To understand the solution, let's discuss why Visual Studio tries to load the PDB file from the temporary ASP.NET files directory. When you run an ASP.NET application in debug mode, Visual Studio needs the PDB file to map the compiled code to the corresponding source code for debugging purposes. By default, Visual Studio looks for the PDB file in the same directory as the compiled DLL file. However, in some cases, it may also search for the PDB file in the temporary ASP.NET files directory.

To prevent Visual Studio from loading the PDB file from the temporary ASP.NET files directory, you can follow these steps:

Step 1: Locate the Temporary ASP.NET Files Directory

The first step is to locate the temporary ASP.NET files directory on your machine. This directory is different for each version of the .NET framework and can be found in the following locations:

  • .NET Framework 2.0 and earlier: C:WindowsMicrosoft.NETFramework[version]Temporary ASP.NET Files
  • .NET Framework 4.0 and later: C:WindowsMicrosoft.NETFramework64[version]Temporary ASP.NET Files

Replace [version] with the appropriate version of the .NET framework installed on your machine.

Step 2: Create a New Empty File

In the temporary ASP.NET files directory, create a new empty file named “web.config”. This file will act as a placeholder and prevent Visual Studio from searching for the PDB file in this directory.


// :
// C:WindowsMicrosoft.NETFramework64v4.0.30319Temporary ASP.NET Filesweb.config

By this empty “web.config” file, Visual Studio will no attempt to load the PDB file from the temporary ASP.NET files directory.

Step 3: Clean and Rebuild the Solution

After creating the “web.config” file, it is recommended to clean and rebuild your ASP.NET solution in Visual Studio. This ensures that any existing PDB files in the temporary ASP.NET files directory are removed and the new configuration takes effect.

Once the solution is rebuilt, Visual Studio will no longer search for the PDB file in the temporary ASP.NET files directory, resulting in a debugging experience.

It is important to note that preventing Visual Studio from loading the PDB file from the temporary ASP.NET files directory may impact the debugging experience in scenarios. If you encounter any issues related to debugging, you can revert the changes by removing the “web.config” file from the temporary ASP.NET files directory.

In conclusion, by following the steps outlined in this article, you can prevent Visual Studio from loading the PDB file from the temporary ASP.NET files directory. This can help improve the debugging performance and eliminate unnecessary delays during the development process.

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