Run ASP.NET Web Application from Command Prompt

Visual Studio has its own integrated ASP.NET Runtime engine, which helps to run any ASP.NET web application with in Visual Studio.  While running application from Visual Studio, you must have seen a popup notification in System Tray (As shown in below image) , which is notification of ASP.NET Development Server.

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This ASP.NET Development Server is nothing but a executable file (WebDev.WebServer) which used by Visual Studio to execute you web application when it’s running in the context of Visual Studio.  You can find the executable file at <\Program Files (x86)\Common Files\microsoft shared\DevServer\10.0> . This folder contain two different executable

  • WebDev.WebServer20.EXE
  • WebDev.WebServer40.EXE

WebDev.WebServer20 is targeted to CLR 2.0, which means all the ASP.NET Application which are targeted till FW .NET 3.5 will be taking care by WebDev.WebServer20.EXE and WebDev.WebServer40.EXE for ASP.NET 4.0 based application.

Now, let’s see how we can use these executable to run an ASP.NET 4.0 Application with out using Visual Studio. Surprised smile

Step 1 : Open the Command Prompt for “Program Files (x86)\Common Files\microsoft shared\DevServer\10.0”

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Easiest way to go there, type Cmd in the address bar ( If you are using Win 7), this will directly open command prompt with exact path .

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Pointing up

Source for this cmd Tip : http://twitter.com/#!/pbrooks/status/35734806549495808 Thumbs up

Step 2: [Optional] Type WebDev.WebServer40 and Press Enter, this will open a popup window with the details of required parameter

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Step 3 : If you are done with review, type below command in your command prompt

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Note : Port number should be valid and not in used by any other process and path is location of your published web apps.

Step 4: Once done, press Enter, you will see a pop up notification in system tray

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If you double click on that icon you will get below window of ASP.NET Development server, which is exactly same notification window which we used to get when we run some ASP.NET Application from Visual Studio.

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This indicates your application is running now.

Step 4: Open IE > Type http://localhost:<portnumber> , you are there !Winking smile

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Abhijit Jana

Abhijit runs the Daily .NET Tips. He started this site with a vision to have a single knowledge base of .NET tips and tricks and share post that can quickly help any developers . He is a Former Microsoft ASP.NET MVP, CodeProject MVP, Mentor, Speaker, Author, Technology Evangelist and presently working as a .NET Consultant. He blogs at http://abhijitjana.net , you can follow him @AbhijitJana . He is the author of book Kinect for Windows SDK Programming Guide.