Posts tagged "C#"

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.NET 7.0 + MySQL - Connect to MySQL Database with Dapper in C# and ASP.NET Core

How to connect to a MySQL database with C# in ASP.NET Core using Dapper and ADO.NET
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MySQL + Dapper - Create database if it doesn't exist on startup with C# and ASP.NET Core

How to auto create a database and tables in MySQL with C#, ASP.NET Core and the Dapper ORM
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.NET 7.0 + Dapper + MySQL - CRUD API Tutorial in ASP.NET Core

How to build a .NET 7.0 CRUD API with Dapper and a MySQL database.
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Postgres CRUD Operations in C# with Dapper Repository

How to perform CRUD operations on a PostgreSQL database in C# with a Dapper Repository
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.NET 7.0 + C# - JWT Authentication Tutorial without ASP.NET Core Identity

Custom JWT authentication without Identity in ASP.NET Core and C#. Includes example client apps built with Angular, React, Vue & Blazor.
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.NET 7.0 + Postgres - Connect to PostgreSQL Database with Dapper in C# and ASP.NET Core

How to connect to a PostgreSQL database with C# in ASP.NET Core using Dapper and ADO.NET
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Postgres + Dapper - Create database if it doesn't exist on startup with C# and ASP.NET Core

How to auto create a database and tables in PostgreSQL with C#, ASP.NET Core and the Dapper ORM
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.NET 7.0 + Dapper + PostgreSQL - CRUD API Tutorial in ASP.NET Core

How to build a .NET 7.0 CRUD API with Dapper and a PostgreSQL database.
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SqlClient.SqlException - The certificate chain was issued by an authority that is not trusted

How to fix this SSL connection error when connecting to SQL Server from ASP.NET Core
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.NET 7.0 + Dapper - Connect to MS SQL Server Database in ASP.NET Core

How to connect to a SQL Server database in ASP.NET Core with Dapper and ADO.NET
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.NET 7.0 + Dapper + MS SQL Server - CRUD API Tutorial in ASP.NET Core

How to build a .NET 7.0 CRUD API with Dapper and a SQL Server database.
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Dapper + SQL Server - Create database if it doesn't exist on startup in ASP.NET Core

How to auto create a database and tables in SQL Server with ASP.NET Core and Dapper
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.NET 7.0 + Dapper - Connect to SQLite Database in ASP.NET Core

How to connect to a SQLite database in ASP.NET Core with Dapper and ADO.NET
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.NET 7.0 + Dapper + SQLite - CRUD API Tutorial in ASP.NET Core

How to build a .NET 7.0 CRUD API with Dapper and a SQLite database.
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C# + .NET 7.0 - Serialize (Convert) Enum to String in API Response

How to convert enum properties to strings in ASP.NET Core API responses.
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.NET 7.0 + Dapper - Create Database Tables on Startup in ASP.NET Core

How to auto create database tables on startup in ASP.NET Core with Dapper
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C# + RestSharp - Add Bearer Token Authorization Header to HTTP Request in .NET

A quick example of how to add a Bearer Token Authorization Header to an HTTP request in .NET using RestSharp
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C# + RestSharp - HTTP PUT Request Examples in .NET

A quick set of examples to show how to send HTTP PUT requests from .NET to an API using RestSharp
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C# + RestSharp - HTTP DELETE Request Examples in .NET

A quick set of examples to show how to send HTTP DELETE requests from .NET to an API using RestSharp
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C# + RestSharp - HTTP GET Request Examples in .NET

A quick set of examples to show how to send HTTP GET requests from .NET to an API using RestSharp
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C# + RestSharp - POST a JSON Object to an API in .NET

A quick example of how to POST a JSON object in an HTTP request to an API using RestSharp
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C# + RestSharp - HTTP POST Request Examples in .NET

A quick set of examples to show how to send HTTP POST requests from .NET to an API using RestSharp
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.NET 7.0 + RestSharp - Deserialize Dynamic JSON Response from HTTP Request

How to deserialize JSON data from an HTTP request dynamically without a custom class for the response.
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.NET 7.0 - Create a Base Controller in .NET

This is a super quick post on how to create base controller in .NET
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.NET 7.0 Auth - Sign & Validate JWT Without Core Identity

This is a quick post to show how easy it is to sign and validate JWT auth tokens in .NET 7.0 without using the built-in Core Identity membership system.
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.NET 7.0 - Create Custom AuthorizeAttribute and AllowAnonymous Attribute

This is a super quick post on how to create custom [Authorize] and [AllowAnonymous] attributes in .NET 7.0.
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.NET 7.0 - Facebook Authentication API Tutorial with Example

Tutorial on how to build a .NET 7.0 API that supports Facebook Authentication.
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.NET 6.0 - Apply Authorize Attribute to All Controllers

How to quickly apply the Authorize Attribute to all controllers by default in .NET 6.0
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.NET 6.0 - Connect to InMemory Database with Entity Framework Core

This post shows how to connect a .NET 6 API to an InMemory database for testing with Entity Framework Core.
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.NET 6.0 - Connect to SQLite Database with Entity Framework Core

This post shows goes through the steps to connect a .NET 6 API to SQLite using Entity Framework Core, and automatically create/update the SQLite database from code using EF Core migrations.
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.NET 6.0 - Connect to PostgreSQL Database with Entity Framework Core

This post shows goes through the steps to connect a .NET 6 API to PostgreSQL using Entity Framework Core, and automatically create/update the PostgreSQL database from code using EF Core migrations.
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.NET 6.0 - Connect to MySQL Database with Entity Framework Core

This post shows goes through the steps to connect a .NET 6 API to MySQL using Entity Framework Core, and automatically create/update the MySQL database from code using EF Core migrations.
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.NET 6.0 - Connect to SQL Server with Entity Framework Core

This post shows goes through the steps to connect a .NET 6 API to SQL Server using Entity Framework Core, and automatically create/update the SQL Server database from code using EF Core migrations.
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.NET 6.0 - CRUD API Example and Tutorial

Tutorial on how to build a .NET 6.0 API that supports CRUD operations.
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.NET 6.0 - Send an Email via SMTP with MailKit

This is a quick example of how to send an email in .NET 6.0 using the MailKit email client library.
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.NET 6.0 - Boilerplate API Tutorial with Email Sign Up, Verification, Authentication & Forgot Password

How to build a boilerplate .NET 6.0 API that supports email sign up, verification, authentication, role based access control, forgot password, reset password and account management (CRUD) functionality.
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.NET 6.0 - Role Based Authorization Tutorial with Example API

How to build an API with role based authorization / access control in .NET 6.0 & C#. Includes example client apps built with Angular, React and Vue.
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.NET 6.0 - Minimal API Tutorial and Example

A step by step tutorial on how to build a minimal .NET 6.0 API from scratch with a couple of example endpoints/routes, with details on every line of code and configuration to show how it all fits together.
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.NET 6.0 - Execute EF Database Migrations from Code on Startup

This is a super quick example of how to automatically migrate database changes on startup from code in .NET 6.0 using Entity Framework in the Program.cs file.
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.NET 6.0 - Database Migrations to Different DB Per Environment (SQLite in Dev, SQL Server in Prod)

An example of how to setup a .NET 6.0 project with Entity Framework Migrations that supports multiple different database providers.
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.NET 6.0 - JWT Authentication with Refresh Tokens Tutorial with Example API

How to implement JWT authentication with Refresh Tokens in a .NET 6.0 API. Includes example client app built with Angular.
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.NET 6.0 - Create and Validate JWT Tokens + Use Custom JWT Middleware

This is a quick example of how to create and validate JWT tokens in .NET 6.0. We'll also cover how to implement custom JWT authentication using custom JWT middleware and a custom authorize attribute.
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.NET 6.0 - Global Error Handler Tutorial with Example

This is a quick post to show how to implement a global exception handler in .NET 6.0
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.NET 6.0 - Hash and Verify Passwords with BCrypt

This is a quick example of how to hash and verify passwords in .NET 6.0 using the BCrypt.Net-Next password hashing library, a C# implementation of the bcrypt password hashing function.
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.NET 6.0 - User Registration and Login Tutorial with Example API

How to build a .NET 6.0 API that supports user registration, login with JWT authentication and CRUD operations. Includes example client apps built with Angular, Blazor, React & Vue.
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.NET 6.0 - Basic Authentication Tutorial with Example API

How to implement Basic HTTP Authentication in .NET 6.0 with C#. Includes example client apps built with Angular, React, Vue & Blazor.
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.NET 6.0 - JWT Authentication Tutorial with Example API

How to implement custom JWT authentication in .NET 6.0 with C#. Includes example client apps built with Angular, React, Vue & Blazor.
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.NET 5.0 - Connect to MySQL Database with Entity Framework Core

In this post we'll go through the steps to connect a .NET API to MySQL using Entity Framework Core, and to create a MySQL database from code using EF Core migrations.
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.NET 5.0 - Connect to SQL Server with Entity Framework Core

In this post we'll go through the steps to connect a .NET API to SQL Server using Entity Framework Core, and to create a SQL Server database from code using EF Core migrations.
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.NET - Return Enum as String from API

This is a quick post to show how to serialize enum values as strings so enum values are returned in API responses instead of the enum indexes.
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.NET - Startup Class in a Nutshell

The Startup class configures the services available to the .NET Dependency Injection (DI) container in the ConfigureServices() method, and configures the .NET request pipeline for the application in the Configure() method.
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.NET - Program Class and Main Method in a Nutshell

The Main method is the entry point for a .NET application, when an app is started it searches for the Main method to begin execution. The method can be located anywhere in a project but is typically placed in the Program class.
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.NET + MSBuild - C# Project File (.csproj) in a Nutshell

A .NET project file is an XML document containing MSBuild code that executes when you run the dotnet build command
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.NET 5.0 - CRUD API Example and Tutorial

Tutorial on how to build a .NET 5.0 API that supports CRUD operations.
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.NET 5.0 - Send an Email via SMTP with MailKit

This is a quick example of how to send an email in .NET 5.0 using the MailKit email client library.
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.NET 5.0 - Boilerplate API with Email Sign Up, Verification, Authentication & Forgot Password

How to build a boilerplate .NET 5.0 API that supports email sign up, verification, authentication, role based access control, forgot password, reset password and account management (CRUD) functionality.
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.NET 5.0 - Role Based Authorization Tutorial with Example API

How to build an API with role based authorization / access control in .NET 5.0 & C#. Includes example client apps built with Angular, React and Vue.
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.NET 5.0 - Bare Bones API Tutorial

A step by step tutorial on how to build a simple bare bones .NET 5.0 API from scratch with a couple of example endpoints/routes, with details on every line of code and configuration to show how it all fits together.
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VS Code + .NET - Debug a .NET Web App in Visual Studio Code

How to create and debug a simple .NET web application in Visual Studio Code.
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.NET 5.0 API - JWT Authentication with Refresh Tokens

How to implement JWT authentication with Refresh Tokens in a .NET 5.0 API. Includes example client app built with Angular.
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.NET 5.0 - Automatic Entity Framework Migrations to SQL Database on Startup

A super quick example of how to automatically migrate database changes from code in .NET 5.0 using Entity Framework in the Startup.cs file.
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.NET 5.0 - Entity Framework Migrations for Multiple Databases (SQLite and SQL Server)

An example of how to setup a .NET 5.0 project with Entity Framework Migrations that supports multiple different database providers.
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.NET 5.0 - Create and Validate JWT Tokens + Use Custom JWT Middleware

This is a quick example of how to create and validate JWT tokens in .NET 5.0. We'll also cover how to implement custom JWT authentication using custom JWT middleware and a custom authorize attribute.
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.NET 5.0 - Global Error Handler Tutorial

This is a quick post to show how to implement a global exception handler in .NET 5.0.
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.NET 5.0 - Hash and Verify Passwords with BCrypt

This is a quick example of how to hash and verify passwords in .NET 5.0 using the BCrypt.Net-Next password hashing library, a C# implementation of the bcrypt password hashing function.
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.NET 5.0 API - Allow CORS requests from any origin and with credentials

This is a quick post to show how to configure a .NET 5.0 API to allow CORS requests from any origin as well as with credentials.
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.NET 5.0 - Simple API for Authentication, Registration and User Management

This tutorial shows how to build a .NET 5.0 API that supports user registration, login with JWT authentication and user CRUD operations. Includes example client apps built with Angular, Blazor, React & Vue.
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.NET 5.0 - Basic Authentication Tutorial with Example API

How to implement Basic HTTP Authentication in .NET 5.0 with C#. Includes example client apps built with Angular, React, Vue & Blazor.
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.NET 5.0 - JWT Authentication Tutorial with Example API

How to implement custom JWT authentication in .NET 5.0 with C#. Includes example client apps built with Angular, React, Vue & Blazor.
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.NET Core C# + AWS SES - Send Email via SMTP with AWS Simple Email Service

In this tutorial we'll go through the steps to enable sending email via SMTP from a .NET Core API using the Amazon Simple Email Service.
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Blazor WebAssembly - Fake Backend Example for Backendless Development

An example of backendless development with Blazor WebAssembly using an HTTP Client Handler, includes "pass through" to real backend for unmocked URLs.
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Blazor WebAssembly - User Registration and Login Example & Tutorial

In this tutorial we'll go through an example of how to build a simple user registration, login and user management (CRUD) application with Blazor WebAssembly.
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ASP.NET Core 3.1 - Global Error Handler Tutorial

This is a quick post to show how to implement a global exception handler in ASP.NET Core 3.1
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Blazor WebAssembly - Authentication Without Identity

This is a quick post to show how to implement custom authentication in ASP.NET Core Blazor without the Identity membership system.
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Blazor WebAssembly - HTTP GET Request Examples

A quick set of examples to show how to send HTTP GET requests from Blazor WebAssembly to a backend API using the HttpClient
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Blazor WebAssembly - HTTP POST Request Examples

A quick set of examples to show how to send HTTP POST requests from Blazor WebAssembly to a backend API using the HttpClient
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Blazor WebAssembly - Display a list of items

This is a quick example to show how to display a list of items in Blazor WebAssembly.
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C# - Encode and Decode Base64 Strings

This is a super quick post to share the below couple of extension methods that simplify encoding and decoding base64 strings in C#.
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Blazor WebAssembly - Basic HTTP Authentication Tutorial & Example

A Custom Basic HTTP Authentication Example built with ASP.NET Core Blazor WebAssembly
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Blazor WebAssembly - JWT Authentication Example & Tutorial

A Custom JWT Authentication Example built with ASP.NET Core Blazor WebAssembly.
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Blazor WebAssembly - Get Query String Parameters with Navigation Manager

This is a quick post to show how you can add a couple of simple extension methods to the NavigationManager class in your Blazor WebAssembly app for accessing query string parameters in the URL.
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Blazor WebAssembly - Form Validation Example

This is a quick example of how to setup form validation in ASP.NET Core Blazor WebAssembly. The example is a simple registration form with pretty standard fields for title, first name, last name, date of birth, email, password, confirm password and an accept terms and conditions checkbox.
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ASP.NET Core Blazor WebAssembly - Communication Between Components

This is a quick tutorial to show how you can send messages between components in a Blazor WebAssembly (WASM) application.
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ASP.NET Core 3.1 - Create and Validate JWT Tokens + Use Custom JWT Middleware

This is a quick example of how to create and validate JWT tokens in ASP.NET Core 3.1. We also cover how to implement custom JWT authentication with custom JWT middleware and a custom authorize attribute.
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ASP.NET Core 3.1 - Hash and Verify Passwords with BCrypt

A quick example of how to hash and verify passwords ASP.NET Core 3.1 using the BCrypt.Net-Next password hashing library which is a C# implementation of the bcrypt password hashing function.
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ASP.NET Core 3.1 - Send Emails via SMTP with MailKit

This is a quick example of how to send an email in ASP.NET Core 3.1 using the MailKit email client library.
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ASP.NET Core 3.1 - Boilerplate API with Email Sign Up, Verification, Authentication & Forgot Password

How to build a boilerplate authentication API with ASP.NET Core 3.1 that includes email sign up & verification, authentication & role based authorization, forgot password & reset password functionality, account management (CRUD) routes with role based access control, and Swagger documentation.
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ASP.NET Core - Setup Development Environment

A quick post to show how to setup an ASP.NET Core development machine.
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ASP.NET Core 3.1 API - JWT Authentication with Refresh Tokens

How to implement JWT authentication with refresh tokens in an ASP.NET Core 3.1 API. Includes example client app built with Angular.
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ASP.NET Core API - Allow CORS requests from any origin and with credentials

This is a quick post to show how to configure an ASP.NET Core API to allow CORS requests from any origin as well as with credentials.
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ASP.NET Core - EF Core Migrations for Multiple Databases (SQLite and SQL Server)

An example of how to setup an ASP.NET Core project with EF Core Migrations that support multiple different database providers.
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ASP.NET Core - Automatic EF Core Migrations to SQL Database on Startup

This is a super quick example of how to automatically migrate database changes from code in ASP.NET Core using Entity Framework Core from the Startup.cs file.
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ASP.NET Core 3.1 - Basic Authentication Tutorial with Example API

How to implement Basic HTTP Authentication in ASP.NET Core 3.1 with C#. Includes example client apps built with Angular, React and Vue.js.
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ASP.NET Core 3.1 - Role Based Authorization Tutorial with Example API

How to build an API with role based authorization / access control in ASP.NET Core 3.1 & C#. Includes example client apps built with Angular, React and Vue.
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ASP.NET Core 3.1 - Simple API for Authentication, Registration and User Management

Simple boilerplate ASP.NET Core 3.1 API that supports User Registration, Login and User Management. Uses SQLite in development & SQL Server in production and includes example client apps built with React, Angular & Vue.
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ASP.NET Core 3.1 - JWT Authentication Tutorial with Example API

How to implement custom JWT authentication in ASP.NET Core 3.1 with C#. Includes example client apps built with React, Angular & Vue.
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ASP.NET Core 2.2 - Role Based Authorization Tutorial with Example API

How to build an API with role based authorization / access control in ASP.NET Core 2.2 & C#. Includes example client apps built with Angular, React and Vue.
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C# - Pure Pagination Logic in C# / ASP.NET

Pure pagination logic written in C# / ASP.NET and available on NuGet. Compatible with ASP.NET Core and ASP.NET Standard projects.
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ASP.NET Core Razor Pages - Pagination Example

An example of how to add pagination to your ASP.NET Core 2.1 Razor Pages application.
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ASP.NET Core 2.2 - Basic Authentication Tutorial with Example API

How to implement Basic HTTP Authentication in ASP.NET Core 2.2 with C#. Includes example client apps built with Angular, React and Vue.js.
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ASP.NET Core 2.2 - JWT Authentication Tutorial with Example API

How to implement JWT authentication in ASP.NET Core 2.2 with C#. Includes example client apps built with React, Angular & Vue.
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ASP.NET Core 2.2 - Simple API for Authentication, Registration and User Management

A clean and simple custom ASP.NET Core API for User Registration, Login with JWT Authentication and User Management.
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C# / ASP.NET - Domain Validation Logic in Domain Driven Design (DDD)

An example showing how and where to implement Domain Model Validation in C# and ASP.NET projects using Domain Driven Design (DDD)
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ASP.NET MVC - Pagination Example with Logic like Google

An example of how to setup Google style pagination logic in C# and ASP.NET MVC.
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Fluent NHibernate - Unproxy Entity Objects with AutoMapper

How to unproxy NHibernate objects to get real entity objects instead of NHibernate proxied classes.
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C# - Incremental Delay to Prevent Brute Force or Dictionary Attack

An example of how to implement an incremental delay in C# to prevent brute force or dictionary attacks on an MVC login form.
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Dynamic LINQ - Using strings to sort by properties and child object properties

I stumbled across the Dynamic LINQ Library today and can't figure out why more people aren't talking about it. It's an awesome little library that allows you to dynamically generate LINQ expressions from strings, which is perfect for things like sorting collections by object property names passed as querystring parameters to web api controllers, it even allows you to sort by child object property names!
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Web API 2 + ELMAH - Log ALL Unhandled Exceptions

I got an email from a client today about an error happening in an application that I'd built with ASP.NET Web API 2.1. At first I thought they must be mistaken or doing something wrong on their end because their weren't any errors being reported by ELMAH which I'd configured in my WebApiConfig.cs file using the ElmahHandleErrorApiAttribute filter.
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Moq - Get Setup() to return a dynamic collection from a fake repository

Read on if you're confused about why your mock repository keeps returning the initial collection even though you've added something to it!
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Post a simple string value from AngularJS to .NET Web API

How to post a simple string parameter in the body of an HTTP request from AngularJS to ASP.NET Web API
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ASP.NET Web API 2 - Enum Authorize Attribute

This post shows you how to create a custom authorization attribute which allows you to pass in a list of enums as parameters to restrict access by role. I'm using this attribute on the controllers of a RESTful Web API built with ASP.NET WEB API 2.
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ASP.NET MVC - Required Checkbox with Data Annotations

How to make a required checkbox in ASP.NET MVC using the built in 'Range' data annotation attribute.
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C# - Get time zone and UTC offset from latitude and longitude (GPS coordinates)

I recently set up an Instagram feed for a travel blog and found that the Instagram API only supplies the UTC created date/time of each image, and doesn't supply the user's UTC Offset (as the Twitter API does), so the only thing you have to work with are the latitude and longitude (lat/long) coordinates to find out the timezone and UTC Offset of where the image was posted.
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Using MVC 4 Web Api with jQuery DataTables

With the release of ASP.NET MVC 4 and Web Api, creating JSON web services has never been easier, which makes it perfect for populating jQuery DataTables via Ajax.
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MVC CheckboxList for property of type IList<Enum>

This is an extension method for creating a checkbox list for a list of enum values (IList<Enum>). It's a modified version of the CheckboxListForEnum extension method I found on the Xango project. Their version creates a checkbox list for a property that contains a single enum value.
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MVC3 redirect to mobile site and stop executing

Response.Redirect(url, true) does NOT stop executing. Automatically redirect iPhone to mobile site.
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ASP.NET MVC3 + Altairis Web Security Toolkit

In this post I'll show you how to install and configure the Altairis Web Security Toolkit in an MVC3 application. The Altairis Web Security Toolkit is a simple, easy to use ASP.NET Membership Provider with a clean table structure. It's much nicer to work with than the default ASP.NET Membership Provider.
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NHibernate - Map Umbraco member profile properties with Custom Interceptor

I'm writing an application that uses NHibernate as the data layer, but is required to integrate with an existing Umbraco system. Specifically, I have a User class that needs to map to an Umbraco member.
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Populate ASP.NET dropdown list with month names using LINQ

Using LINQ and the Enumerable.Range method it's possible to populate a dropdown list of month names in a single line.
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