.NET Core

The Benefits of Asynchronous Programming with async/await in ASP.NET Core RESTful APIs

Asynchronous programming is a powerful technique that plays a crucial role in building efficient and scalable ASP.NET Core RESTful APIs. By leveraging the async and await keywords, developers can harness the benefits of asynchronous operations to improve responsiveness, resource utilization, scalability, and user experience. In this article, we will explore the various advantages of using asynchronous programming in ASP.NET Core RESTful APIs and how async/await can optimize performance. Improved Responsiveness: One of the key advantages of asy…

Creating a JSON Array from SQL Rows in C# Azure Function

In this article, we will explore how to create a JSON array from SQL rows in C# Azure Function. We will look at two approaches: one using ADO.NET and another using Entity Framework. We will use a "customer" table in our examples. This article is a comprehensive guide for anyone looking to convert SQL data into a JSON array using C# in Azure Function. Here is the code to serialize SQL data into JSON array using C# Azure Function with an HttpTrigger: With ADO.NET using System; using System.Data.SqlClient; using System.Net; using M…

How to Consume OpenAI's GPT-3 API Using C# and .NET Core

OpenAI's GPT-3 is one of the most advanced natural language processing models available today. It can generate human-like text, perform various language tasks such as translation, question-answering, and summarization, and much more. To make it easy for developers to integrate GPT-3 into their applications, OpenAI provides a REST API that developers can use to access GPT-3's capabilities. In this article, we'll show you how to consume the OpenAI API using C# and the OpenAI API Client library. This library provides a convenient and …

Caching Techniques in C# .NET Core: A Step-by-Step Guide

Caching is a technique that stores frequently accessed data in a temporary storage location to improve the performance of an application. In C# .NET Core, there are several ways to implement caching, and in this guide, we will explore the most popular techniques. Here are the c ache implementations in C# .NET Core. In-Memory Caching In-memory caching is the simplest and most efficient caching technique, as it stores data in the memory of the application. The data is stored in a Dictionary object, which is accessed using a key-value pair. To im…

Using Reflection to Call Generic Methods in C# .NET Core

One of the powerful features of C# is its ability to use generic methods and types. However, there may be times when you need to use reflection to invoke these generic methods at runtime. In this article, we will explore how to use reflection to call generic methods in C# .NET Core. We will go over examples of how to instantiate generic types, invoke generic methods, and pass in generic type arguments. To begin, let's start with an example of a generic method: public class GenericMethods { public static T Add<T>(T a, T b) …

A Step-by-Step Guide to Using Entity Framework 7 in .NET Core

In this article, we will go through the process of using Entity Framework 7 (EF7) with a step by step source code scenario.  EF7 is an Object-Relational Mapping (ORM) framework for the .NET framework, which allows developers to interact with databases using C# or Visual Basic. It provides a simple and efficient way to work with databases by abstracting away the underlying database structure and providing a higher-level programming model.  In this guide, we will cover how to install the necessary packages, define a database context, create enti…

Exploring the Different Types of Applications you can Build with .NET

.NET is a powerful, versatile platform that allows developers to build a wide range of applications. From simple desktop apps to complex web applications, .NET provides a robust set of tools and frameworks that enable developers to create high-performing, scalable, and secure applications. In this article, we will explore the different types of applications that can be built with .NET. Windows Forms Applications: Windows Forms is a user interface (UI) framework that allows developers to create desktop applications for Windows. With Windows For…

How to Generate JWT Token in .NET Core

JSON Web Tokens (JWT) are a popular and secure method of authenticating users in a web application. In this article, we will go over the process of generating JWT tokens in a .NET Core application. Learn How to Generate JWT Token in .NET Core First, you will need to add the following to the appsettings.json file "Jwt" : { "Issuer" : "https://issuer url/" , "Audience" : "https://audience url/" , "Key" : "This is a sample secret key - please don't use in production…

How to Secure Your .NET Application Against Common Threats

Securing a .NET application is crucial to protect sensitive data and prevent unauthorized access. There are many potential threats that can compromise the security of a .NET application, such as SQL injection, cross-site scripting (XSS), cross-site request forgery (CSRF), and more. In this article, we will explore some of the common threats to .NET applications and how to protect against them. SQL Injection SQL Injection: SQL injection is a type of attack that involves injecting malicious SQL code into a query in order to gain unauthorized acc…

How to Reduce Nested Loops with Window Sliding Technique in C#

C# is a pretty awesome programming language. There are so many features that makes working with code easier and faster. However, Nested Loops can be really challenging in C#. Think of nested loops as loops within loops. In other words, you have a loop which contains another loop within that first loop. To solve this challenge in C# we need to use the window sliding technique. If you are not familiar with this technique, here’s an overview of this pattern: What is Window Sliding Technique? Window sliding is a method of translating recursive alg…

Connecting to a SignalR Hub using JavaScript: A Step-by-Step Tutorial

SignalR is a powerful library for building real-time web applications. It allows you to easily add real-time functionality to your application, such as chat, notifications, and live updates. This tutorial will walk you through the process of setting up a SignalR Hub and connecting to it using JavaScript. Step 1: Create a new ASP.NET Core Web Application The first step is to create a Hub. A Hub is a class that acts as a bridge between the client and the server. It allows you to call methods on the server from the client and vice versa. First, w…

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