DotNet Full Stack Dev

  In modern software development, efficient data access is crucial for maintaining application performance. One way to improve data access performance is by implementing caching mechanisms. In this blog post, we'll explore how to implement the Cached Repository Pattern in C#, a design pattern that combines the benefits of a repository pattern with caching to optimize data access. What is the Cached Repository Pattern? The Cached Repository Pattern is an architectural pattern that combines the Repository Pattern with caching mechanisms to improve data access performance. It provides a layer of abstraction over data access operations while transparently caching data retrieved from the underlying data source. Step-by-Step Implementation: Step 1: Define Repository Interface First, we define an interface that serves as the contract for interacting with the data source. This interface includes methods for common data access operations such as fetching all entities, fetching an entity b...

  In the world of web development with C#, ASP.NET Core has long been the go-to framework for building powerful and scalable web applications. Traditionally, developers have relied on controllers to define API endpoints and handle HTTP requests. However, with the introduction of Minimal APIs in ASP.NET Core 6, a new, more streamlined approach has emerged. In this blog post, we'll explore the concept of Minimal APIs, their benefits, and how to implement them in C#. What are Minimal APIs? Minimal APIs are a lightweight alternative to traditional controllers in ASP.NET Core. They allow developers to define HTTP endpoints and request handling logic using a minimalistic syntax, without the need for separate controller classes. With Minimal APIs, you can define routes, handle requests, and return responses in a single file, making API development faster and more straightforward. Benefits of Minimal APIs: Simplicity: Minimal APIs reduce the complexity of API development by eliminating the...

  In many applications, the ability to upload and download files is essential for users to interact with data. In this blog post, we'll explore how to implement file upload and download functionalities in C#. We'll cover the step-by-step process along with code snippets to help you understand and implement these features in your applications. Prerequisites Visual Studio or any C# development environment Basic understanding of C# programming language Uploading Files Step 1:  Create an Upload Form: Create a web form or UI component where users can select files to upload. Use the <input type="file"> HTML element to allow users to browse and select files. Step 2:  Handle File Upload in Backend: In the backend code, handle the file upload request. Use libraries like System.IO or System.Net.Http to process file uploads. Here's a basic example using ASP.NET Core MVC: [ HttpPost ] public async Task<IActionResult> UploadFile ( IFormFile file ) { if (f...

Authentication and authorization are fundamental aspects of web application security, evolving over time to address new challenges and requirements. In the .NET ecosystem, these concepts have undergone significant advancements, adapting to changing technologies and security threats. Let's explore the history of authentication and authorization in .NET web applications, starting from their origins. 1. Basic Authentication: Basic Authentication was one of the earliest methods used for securing web applications. It involved sending credentials (username and password) encoded in Base64 format with each HTTP request. However, this approach had severe limitations, such as lack of encryption and susceptibility to interception, making it insecure for transmitting sensitive information. // Example of basic authentication header construction in C# var username = "example" ; var password = "password" ; var base64Credentials = Convert . ToBase64String ( Encoding . ...