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Missing dlls in web application project

I am given a VB.NET web application project that I need to compile.  I found that the \Bin folder does not have the dll of the project. (The project solution file name is testproject.sln and \bin directory does not have textproject.dll). The strange things about it is it is currently running on IIS on Live server and being used since few years by users. I am not sure how the project could run without the dlls.

Now I need to make few changes to that application. There isn't any development version of that project. So I copied the project folder from the location of HomeDirectory in the IIS and put in on my development machine.
I had to install Visual Studio 2003 to open it. I then tried to compile it and it doesn't. It throws maximum number of errors. the errors are very strange and nothing makes sense. I have attached few errors.

- Can a web application run on IIS without the dlls?
- Do the attached errors tell you anything? Why would these errors come up on a currently running web application?
- Can you provide suggestions how I can successfully compile this project?

Thanks in advance.
EE-webapp.txt
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Angel02
Asked:
Angel02
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1 Solution
 
Paul MacDonaldDirector, Information SystemsCommented:
It's not foregone you'd need an external class file (.dll) for the web site.  ASP.Net sites can run with just the code in the .asp or .asp.vb file.

That said, does the site run in the IDE?
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Angel02Author Commented:
Thank you. That clears half of my confusion.
But if I copy that project and try to compile it shouldn't it compile? Why are there so many errors and all the controls in the .aspx pages say "Error creating controls".
What am I missing?
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Angel02Author Commented:
and it does not run in IDE. When I first tried to run, it said no Start page. So I set the start page. Now it gives the attached error in IDE
IDE error
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Angel02Author Commented:
I now tried to run the project without debugging and I get the attached error. This file exists in the folder and is visible in the solutions explorer.

 Solution ExplorerEERunError.png
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Paul MacDonaldDirector, Information SystemsCommented:
Webparts are a set of controls from Microsoft.  You would need them on your client computer in order for the web site to run in the IDE.  I want to say they come with VisualStudio, but they may not install by default.
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Angel02Author Commented:
Is there a way to download and install Webparts or do I need to reinstall Visual Studio?
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Angel02Author Commented:
Also when I try to open any .aspx file in the project , I get the following error.
i think I am missing something critical here!

aspx error
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