When working with dependency injection in C#, you’ll often come across three common methods for registering services: `AddTransient`, `AddScoped`, and `AddSingleton`. These methods are used to configure the lifetimes of services within your application. In this article, we’ll explore the differences between these three methods and when to use each of them.
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Category: ASP.NET
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Understanding the Differences Between AddTransient, AddScoped, and AddSingleton Services in C#
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Creating Excel Files in C# Without Installing Microsoft Office
Microsoft Excel is a widely used spreadsheet program for creating, manipulating, and analyzing data. However, to work with Excel files in C#, traditionally, you would need to install Microsoft Office or rely on third-party libraries. In this article, we will explore an alternative approach to generate Excel files (.XLS and .XLSX) using C# without the need for Office installation. We will leverage the EPPlus library, a powerful open-source library for working with Excel files in .NET.
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Sending Email in C# through Gmail
Email communication plays a vital role in our digital lives, and as a .NET developer, it’s essential to know how to send emails programmatically. In this article, we will explore how to send emails in .NET using the Gmail SMTP server.
Gmail provides a powerful and reliable email service that can be easily integrated into .NET applications. To send email through Gmail, we will leverage the System.Net.Mail namespace in .NET, which provides classes for creating and sending email messages.
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How to Fix “The Relationship between the Two Objects” Error in Entity Framework
If you’re tired of encountering the Entity Framework error message “The relationship between the two objects cannot be defined because they are attached to different ObjectContext objects,” this blog post will help you understand why it happens and how to prevent it from happening again.
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The Entity Type [EntityName] Requires a Primary Key: Here’s How to Fix It
Master primary keys in Entity Framework like a pro with our detailed guide featuring C# code examples, and conquer the infamous “The entity type [EntityName] requires a primary key to be defined” error message once and for all.