Grouping Queries with LINQ in C#
LINQ (Language Integrated Query) is a tool in C# that allows you to perform queries on data collections in a declarative way. One of the most common and useful operations in LINQ is data grouping, a fundamental feature when you need to organize and summarize records according to certain keys. What is grouping in LINQ? […]
Manipulating Excel Files with EPPlus
Manipulating Excel files in .NET applications is a common need, whether for generating reports, importing or exporting data, or for integration with other systems. With the EPPlus library, it is possible to create, read, and modify Excel files efficiently. In this article, we will explore how to use EPPlus to manipulate Excel files in C# […]
Working with XML in C#
XML (Extensible Markup Language) is a widely used markup language for storing and transporting structured data. Its main advantage is the flexibility in data representation and the ability to be read by different systems and platforms. In software development, XML is often used for data exchange between systems and configuration persistence. Basic Concepts of XML […]
Raw SQL Queries in Entity Framework
In Entity Framework, we typically use LINQ for database queries. However, in situations that demand greater control or when we need to use specific database functionalities, we can resort to “Raw SQL Queries.” These queries allow us to write pure SQL, using specific syntaxes, optimizing the performance of complex queries and taking advantage of functionalities […]
Query Splitting: Improving Query Performance with Entity Framework
When working with Entity Framework, we often need to load related data between tables. The ease of using methods like “Include” and “ThenInclude” to load these relationships is one of the advantages of Entity Framework, but it can also introduce performance challenges. In this article, we will explore how the Query Splitting feature can help […]
Aggregation Functions in LINQ
In the context of databases, aggregation functions are used to summarize and calculate values from a data set. They are essential for obtaining general insights and statistics, such as sums, averages, maximums, and minimums. Common examples include functions like SUM, AVG, MAX, and MIN, which help turn raw data into useful information. In C#, LINQ […]
In-Memory Caching in .NET
In-memory caching is a fundamental technique for improving the performance and scalability of applications. In the .NET ecosystem, caching enables storing data in memory for fast and efficient access, avoiding costly operations such as database queries or external service calls. What is In-Memory Caching? In-memory caching is a mechanism that temporarily stores data to reduce […]
How to Implement In-Memory Caching in ASP.NET Core
In-memory caching is a fundamental technique for improving the performance and scalability of applications. In the .NET context, caching allows data to be stored in memory for fast and efficient access, avoiding expensive operations such as database queries or external service calls. What is In-Memory Caching? In-memory caching is a mechanism that temporarily stores data […]
String Interpolation in C#
String interpolation is a very useful and expressive feature of C# that simplifies the creation of dynamic character strings. Instead of using methods like String.Format or concatenating parts using the + operator, interpolation allows you to insert expressions directly into a string in a clear and readable way. What is String Interpolation? String interpolation in […]
Using Deconstructors in C#
Starting from C# 7.0, a new feature was introduced to the language that enables a simple and powerful way to deconstruct objects: deconstructors. This feature is especially useful when working with tuples or classes that contain multiple values and when we want to access their components in a more direct and readable way. In this […]