FoxLearn | How to

What is the difference between String and string in C#?

By Tan Lee Published on Dec 02, 2024 195

In C#, `string` is an alias for `System.String`, meaning there is no technical difference between the two, similar to how `int` is an alias for `System.Int32`.

How to use Image ComboBox Edit in C#

By Tan Lee Published on Jul 18, 2017 7.38K

To use an Image ComboBox Edit in C# with DevExpress, you need to work with the ImageComboBoxEdit control.

How to implement keyboard shortcuts in a Windows Forms application

By Tan Lee Published on Nov 29, 2024 470

Implementing keyboard shortcuts in a Windows Forms application is fairly straightforward.

How to fix 'DbContextOptionsBuilder' does not contain a definition for 'UseSqlServer'

By Tan Lee Published on Jun 11, 2024 1.69K

How to fix 'DbContextOptionsBuilder' does not contain a definition for 'UseSqlServer' and no accessible extension method 'UseSqlServer'.

How to fix Can't find Request.GetOwinContext in Web API

By Tan Lee Published on Feb 18, 2024 1.17K

In ASP.NET Web API, Request.GetOwinContext() is often used to access the OWIN context, but if you're encountering an issue where it can't be found, it's likely because either the required namespaces or NuGet packages are missing.

How to fix Can't use Server.MapPath in ASP.NET MVC

By Tan Lee Published on May 25, 2024 1.31K

Server.MapPath returns the physical file path corresponding to the specified virtual path

How to use Web API JWT Token

By Tan Lee Published on Feb 16, 2024 433

Generating a JWT (JSON Web Token) in ASP.NET Core using C# involves creating a token that contains claims and signing it with a secure key.

How to use Generic Repository Pattern in C#

By Tan Lee Published on Feb 16, 2024 739

The Generic Repository Pattern is a design pattern that abstracts the data access logic in an application.

How to Download ODBC Driver for SQL Server

By Tan Lee Published on Nov 26, 2024 399

The Microsoft ODBC Driver for SQL Server is a dynamic-link library that provides runtime support for applications using native-code APIs to connect to SQL Server.