HTTP 404 error when loading the project.

There could be several reasons for getting a 404 error while browsing a project through IIS Express. Here are a few things you can check:

1. Make sure the URL you are using to access the website is correct. Double-check the port number and any other path information.

2. Check the project properties and make sure that the URL configured for the project is correct.

3. Check the default document setting in IIS Express. Make sure that the default document specified in the project is present and enabled.

4. Verify that the web.config file is correctly configured. Make sure that any custom routing rules, authentication settings, or other settings are correctly specified.

5. Check the application pool settings in IIS Express. Make sure that the application pool is running and that it is correctly configured to use the .NET runtime version that the project is built against.

6. Ensure that all the required files are present in the project directory and that they are included in the project.

7. Check the output window in Visual Studio while building the project. Make sure there are no build errors or warnings.

If none of the above steps resolve the issue, you may need to use a tool like Fiddler to inspect the HTTP traffic and determine why the request is failing.

Hi 

Thanks for the quick response, I am just building the project and browsing the same through IIS Express and its giving 404.

Thanks

HTTP 404 error indicates that the server cannot find the resource you are trying to access. In this case, it seems like the server is unable to find the project file that you are trying to load.

Here are a few things you can check to resolve the issue:

1. Verify the path of the project file - Ensure that the path specified in the project file is correct and matches the path on the file system.

2. Check the web server - Ensure that the web server is running and that the project is deployed to the correct location.

3. Check the IIS settings - If you are using IIS, make sure that the website/application is configured properly and the project is deployed to the correct location.

4. Clean and rebuild the solution - Try cleaning the solution and rebuilding it again to ensure that all files are up to date and in the correct location.

5. Check for any missing files - Verify that all the necessary files are included in the project and are in the correct location.

6. Check the network connection - If the project is stored on a remote server, ensure that you have a stable network connection and can access the server.

7. Check for any conflicting extensions - Disable any extensions that might be causing conflicts with the project.

Hope this helps in resolving the issue.