How does Visual Studio decide which port to run applications on?

Question

When you run the application from visual studio, it seems to pick a random port on localhost. For example, starting the application right now, I get

http: // localhost: 3240 / ApplicationStuffHere

I understand that this port is loaded into the solution file via

VWDPort = "3240"

How is this taken? this seems pretty random.

Answer 1

By default, ASP.NET web application projects are configured to start and run using the embedded VS web server (also known as Cassini) through a random HTTP port on the computer.

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Answer 2

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Answer 3

This port number is initially assigned randomly, but Visual Studio will try to use the same port number every time the application starts.

Answer 4

Check the properties of your web application in Solution Explorer (right-click> Properties)

A web tab is the one you are looking for.

Kindness,

Dan