Everything about .NET framework.
SQLite is a self-contained and embedded SQL database engine. In .NET Core, Entity Framework Core provides APIs to work with SQLite. This page provides sample code to create a SQLite database using package Microsoft.EntityFrameworkCore.Sqlite . Create sample project ...View detail
.NET Framework, you can use |DataDirectory| to configure connection string when connecting to SQL Server database file via attach mode: AttachDbFilename=|DataDirectory|\dbname.mdf In .NET Core, you cannot directly set SQL Server Express connec...View detail
.NET Core is built in with dependency injection. Usually method ConfigureServices in Startup class is used to register services in the container. The signature of the method looks like the following: public void ConfigureServices(IServiceC...View detail
In .NET Core 2.x, Windows Forms or WPF are not implemented since they are based on GDI+ and DirectX respectively in Windows. In .NET Core 3.0, there is plan to add Desktop Packs which includes UWP. WPF and Windows Forms. However, they will still be Windows-only. In .NET Core applications, you may...View detail
What is a tuple? Tuple is an ordered sequence, fixed-size, immutable and of heterogeneous objects. Tuple has been existing in other languages such as F#, Python, Perl and etc. for a long time. It was first introduced into C# from C# 4.0 and has been evolving over time. Since C# 7.1, tuple...View detail
IP Address In ASP.NET Core, Request.UserHostAddress has been removed though that attribute exists in the traditional ASP.NET applications. We can use HttpContext.Connection to retrieve the remove client IP address: var ipAddress = HttpContext.Connecti...View detail
Migrating from ASP.NET Core 1.x to 2.0 is not an easy job especially if you have customized Identity and used customized authentication. This post summarizes the issues and errors I have experienced and their resolutions when upgrading my project. Hopefully it can save you sometime if you are doi...View detail