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Home Β» Getting Started with .NET Core: A Comprehensive Guide for Beginners
To know about dot net fundamentals, .NET is basically a free and open-source developer platform created by Microsoft. It allows developers to create a wide variety of applications including web, mobile, desktop, games and more. It is versatile and supports multiple programming languages ββincluding C#, F# and Visual Basic. This is part of the .NET basics that any new developer needs to grasp.Β
A .NET application runs the Common Language Runtime (CLR). Applications can run in a managed environment with features such as garbage collection, memory management, type safety, exception handling, and security. The Virtual Machine component of the .NET Framework (CLR). Is responsible for it.
CLR automatically handles memory allocation and deallocation, freeing up memory occupied by objects that are no longer in use, thus preventing memory leaks.Β
Common Intermediate Language (CIL) is another name for the intermediate language (IL) that is created when you write.NET code. Any system that has a.NET runtime can execute this IL code because it is platform-independent.Β
Here’s an overview of the execution process:Β
Compilation:Β
Your source code is compiled by a .NET compiler into IL (Intermediate Language) code.Β Β
Example: You write a code in C# that Code will be converted to IL.Β
Loading:Β
The compiled IL code is loaded into the CLR environment.Β
JIT Compilation:Β
The JIT compiler translates the IL code into native machine code that the operating system can execute.Β
Execution:Β
While managing different runtime services like memory and exception handling, the CLR runs the native machine code.Β
Garbage Collection:Β
One of the CLR’s automatic memory management features is garbage collection. In order to stop memory leaks and enhance application performance, it periodically releases memory that has been used by objects that are no longer in use.Β
You can visit Common Language Runtime (CLR) overview – .NET | Microsoft Learn this website for more informationΒ Β
AssembliesΒ
Common Language Specification (CLS)Β
The (CLS) defines rules that all .NET languages must follow. Code written in any .NET language can be used by other .NET language with the help of CLS. For instance, the CLS guarantees that methods and data types are compatible with various.NET languages.Β
Managed CodeΒ
Managed Code that operates under the CLR’s supervisionβwhich offers functions like garbage collection, exception handling, and type safetyβis referred to as managed code. Unmanaged code, on the other hand, lacks these services and is run directly by the operating system.
.NET Framework:Β
The original implementation of .NET, which is used primarily for building Windows applications.Β
.NET Core:Β
A cross-platform, open-source framework for building modern applications that can run on Windows, macOS, and Linux.Β
Xamarin/MAUI:Β
A framework for building mobile applications using .NET.
ASP.NET:Β
A framework for creating services and online apps. The most recent cross-platform iteration of ASP.NET is called ASP.NET Core.
Understanding .NET Core architecture for new developers:Β
Itβs important to understand the architecture of .NET Core before diving deep into application development. Knowing how the framework is structured and its components will help you better design and optimize your applications.Β
Get free Consultation and let us know your project idea to turn into anΒ amazing digital product.
The main language used for.NET development is C#. Familiarity with C# syntax and features will be very helpful. If you’re new to C#, consider going through some introductory tutorials.Β
.NET is heavily based on object-oriented programming. You should understand the four main principles of OOP:Β
Encapsulation is the process of combining data and methods that work with the data into a single entity, like a class.Β
inheritance encouraging code reuse by creating new classes from pre-existing ones. Mainly for Code reusability.Β
The capacity to handle things in diverse ways according on their class or data type.Β
Presenting only the essential functionality while concealing the intricate implementation details.Β
You can prefer .NET documentation | Microsoft Learn this source to learn about these concepts.Β
1.Download the .NET Core SDK:Β
Install .NET on Windows – .NET | Microsoft LearnΒ
How to Install .NET Core: Beginner’s guide to .NET Core developmentΒ
2.Run the Installer:Β
3.Verify the Installation:Β
4.Set Up Your Development Environment:Β
Here’s a step-by-step guide to installing Visual Studio 2022 on Windows:Β
1.Download the Installer:Β
Install Visual Studio and choose your preferred features | Microsoft LearnΒ
2.Run the Installer:Β
3.Select Workloads:Β
4.Install Individual Components:Β
5.Choose Installation Location:Β
6.Install:Β
7.Complete the Installation:Β
8.Sign In or Skip:Β
9.Set Up Your Environment:Β
10.Create Your First Project:Β
Now Letβs learn the MVC architecture, Dependency Injection, Repository pattern, Asynchronous Programming, Entity Framework. We will learn all these things with the practical implementation so, it will be easy for us to learn.Β
We will make an Employee registration Web App by using the .Net Core MVC basically it is our simple CURD operations.Β Β
Step 1. Open the Visual Studio and select Create a new Project.Β
Step 2. Then search for ASP .Net Core Web App (Model-View-Controller) with C#. Then NextΒ
Step 3. Now give the name of the project and browse the location then click NextΒ Β
Step 4. Select the framework in this project we will select the 8.0. Then click on create
Step 5. At the top you can se a View option click on that and then Solution ExplorerΒ Β
Now, First thing we need to do is to install the all required PackagesΒ Β
Step 6. Install all required PackagesΒ Β
Microsoft.EntityFrameworkCore.DesignΒ
Microsoft.EntityFrameworkCoreΒ
Microsoft.EntityFrameworkCore.SqlServer.Β
Microsoft.EntityFrameworkCore.Tools.Β
Microsoft.AspNetCore.Mvc.Razor.RuntimeCompilationΒ — it is for getting code updates just by refresh, after using it we did not need to restart the project again and again after any code update.Β
Go to Tool => NuGet Package Manager => Manage NuGet Package SolutionΒ Β
Search for all the required packages and install them according to your project version.Β Β
In same way install all the packages.Β Β Β
You can check all these installed packages by double click on the project name Under the solution ExplorerΒ Β Β
Step 7. Set Up the connection stringΒ Β
Goto solution explorer and select the appSetting.jsonΒ Β
Write your connection stringΒ Β
Now configure this connection string in Program.cs fileΒ
Now Add new ApplicationDbContext which is responsible for our database connectionΒ Β
Right Click on project name under solution Explorer and add class named as ApplicationDbContextΒ Now add all these thing in Program.cs fileΒ
Build SolutionΒ Β
To add your connection Open the Package Manger Console and then run commadΒ Β
Add-Migration InitialLoadΒ
Then Update-DatabaseΒ
And now your database connection is ready.Β
You can check this connection By Sql Server Object ExplorerΒ Β
Click on View => Sql Server Object Explorer; find you server name which you have added in connection string and then find the database.Β Β
Step 8. Now add Model; Right click on Model folder then Add Class give the name of the classΒ
Add the properties in the classΒ
Add this class in ApplicationDbContext classΒ Β
Then in package manager Add-Migration EmployeeΒ
Update-DatabaseΒ
After this step you employee table will be add in your database you can check it in you SQL Server Object Explorer.Β
Step 9. Now we add repository for making the methods, Which contains functionality of Create Update Delete and Read Data from Database.Β
Right click on Project and then Add New folder named as RepositoryΒ
Now Right click on Repository Folder and then add Interface Named as IEmployeeRepository here we define our methods.Β
Step 10 : Now add the EmployeeRepository class in Repository folderΒ
Implement this in EmployeeRepository FolderΒ
Now Add this IEmployeeRepository and EmployeeRepository in Program.cs file for DIΒ
// Register the EmployeeRepository and IEmployeeRepository for dependency injection builder.Services.AddScoped<IEmployeeRepositroy, EmployeeRepository>();Β
Step 11. Now add the EmployeeController in Controller FolderΒ
Now in controller we can add further functionalityΒ Β
Ctor is the short way to add constructorΒ Β
In this way Inject the dependency, and add the other functionalityΒ
Tip: Use Try Catch block for exception handling.Β
Step 12. Now Create the ViewΒ Β
Right click under the Index Action and click on add viewΒ Β
In this view we write the html code to display our employee listΒ Β
In Same Add View for the Create and detailsΒ Β
Same for edit but the details comes automatically for the selected employee
View for DeleteΒ
Now Add the Employee button in NavbarΒ Β
Go to View-Shared-> _Layout.cshtmlΒ Β
Hereβs the flow of the ASP.NET Core MVC lifecycle.Β
Flow:Β
Request is routed to the appropriate Controller.Β
The Controller processes the request, interacts with the Model, and returns a View or ActionResult to the client.Β
Β
You’ve made excellent progress through this comprehensive guide, and itβs clear you now have a strong understanding of .NET Coreβs core principles and development tools. From building your first application to mastering key concepts like Dependency Injection and Entity Framework, you’re now in a great position to tackle larger, more complex projects. As you continue to explore .NET Core and its ecosystem, remember that the tools available are vast, and mastering them will help you become proficient in ASP.NET Core development services. Take time to explore further topics such as cloud computing, API design, and performance optimization as part of your ongoing journey into .NET Core development services.Β
In this blog, weβll explore how these advances are shaping the future of field services and how companies are adapting to stay ahead in a competitive market. What are the key changes that businesses need to embrace to stay relevant and efficient?
Field service is nowdays getting a much-needed upgrade, thanks to the integration of IoT and Dynamics 365. No longer are businesses stuck in the old βbreak-and-fixβ cycle. With IoT, equipment now tells you when itβs about to have a problem, and Dynamics 365 takes care of the restβautomating workflows,
In this blog, weβll examine the importance of AI within Dynamics 365 Field Service and its benefits. With Dynamics 365 Field Service, AI helps businesses streamline scheduling and make real-time decisionsβensuring the right technician is always in the right place at the right time.
.NET Core is cross-platform, open-source, and designed for modern app development, while .NET Framework is Windows-only and more mature.Β
Cross-platform, high performance, open-source, flexible deployment, and a unified runtime.Β
Download the installer from the official .NET website and follow the installation instructions.Β
The .NET Core Command-Line Interface (CLI) is a cross-platform toolchain for developing, building, running, and publishing .NET applications.Β
RunΒ dotnet new console -n MyAppΒ to create a new console application.Β
Use theΒ ConfigureΒ method in theΒ StartupΒ class to add middleware components.Β
ASP.NET Core is a cross-platform, high-performance framework for building modern, cloud-based, internet-connected applications.Β
RunΒ dotnet new webapp -n MyWebAppΒ to create a new web application.Β
Create aΒ DockerfileΒ and use theΒ docker buildΒ command to build the image.Β
Azure is Microsoftβs cloud platform, and you can deploy .NET Core applications to Azure using services like Azure App Service.Β
Use logging, debugging tools, and community resources like Stack Overflow and GitHub to troubleshoot issues.Β
Schedule a Customized Consultation. Shape Your Azure Roadmap with Expert Guidance and Strategies Tailored to Your Business Needs.
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