Tutorials ASP.NET Core MVC Tutorial
Installing Postman for API Testing — Complete Guide
Installing Postman for API Testing — Complete Guide: free step-by-step lesson with examples, common mistakes, and interview tips — part of ASP.NET Core MVC Tutorial on Toolliyo Academy.
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ASP.NET Core MVC Tutorial · Lesson 12 of 200
Installing Postman for API Testing
Getting Started ✓ → Core MVC → Data & Security → Production → Career
Beginner · 2 — Project Structure · ~6 min · Section 1: Introduction & Environment Setup
What is this?
You need the .NET SDK (command-line tools and runtime) to build MVC apps. Visual Studio or VS Code adds an editor, debugger, and templates — optional but helpful.
Why should you care?
Without the SDK, dotnet new mvc will not work. A good editor saves hours when stepping through controllers line by line.
See it live — copy this example
Create an MVC project (dotnet new mvc), add the code, and run dotnet run.
# Install SDK from https://dotnet.microsoft.com/download (LTS)
dotnet --version
# Create and run first project
dotnet new mvc -n ShopNest.Mvc
cd ShopNest.Mvc
dotnet runRun Example »
This lesson uses terminal or setup steps. Run commands on your computer — the live editor appears on coding lessons.
What happened?
- dotnet --version should show 8.x or 9.x LTS.
- dotnet new lists templates including mvc.
- dotnet run compiles and starts Kestrel with a localhost URL.
Try it yourself
- Download and install .NET SDK LTS.
- Open terminal, run dotnet --version.
- Install VS Code + C# Dev Kit OR Visual Studio Community.
- Change text or labels in the example and run again — watch the browser update.
- Break the code on purpose (remove a semicolon), read the error message, then fix it.
Remember
SDK is required; IDE is strongly recommended. dotnet CLI creates and runs projects. LTS versions are safest for learning and production.
Interview prep for this lesson
Practice these questions aloud after reading—each links to a full structured answer.
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