Aspect oriented programming with ASP.NET Core

This post is about implementing simple AOP (Aspect Oriented Programming) with ASP.NET Core. AOP is a programming paradigm that aims to increase modularity by allowing the separation of cross-cutting concerns. It does so by adding additional behavior to existing code (an advice) without modifying the code itself. An example of...


Hosting ASP.NET Core applications on Heroku using Docker

This post is about hosting ASP.NET Core applications on Heroku using Docker. Heroku is a cloud Platform-as-a-Service (PaaS) supporting several programming languages that is used as a web application deployment model. Heroku, one of the first cloud platforms, has been in development since June 2007, when it supported only the...


How to use Log4Net with ASP.NET Core for logging

This post is about using Log4Net with ASP.NET Core for implementing logging. The Apache log4net library is a tool to help the programmer output log statements to a variety of output targets. log4net is a port of the excellent Apache log4j™ framework to the Microsoft® .NET runtime. We have kept...


Implementing the Repository and Unit of Work Patterns in ASP.NET Core

This post is about implementing the Repository and Unit of Work Patterns in ASP.NET Core. The repository and unit of work patterns are intended to create an abstraction layer between the data access layer and the business logic layer of an application. Implementing these patterns can help insulate your application...


Watermark Images on the Fly in ASP.NET Core

This post is about applying Watermark images on the fly in ASP.NET Core. From the initial days of ASP.NET Core image manipulation was a challenge since the System.Drawing library was depend on GDI+ and Microsoft didn’t released a package for image manipulation. In this post I am using CoreCompat.System.Drawing package,...


VS2017 RC - a product matching the following parameters cannot be found: channelId: VisualStudio.15.Release

This post is about an installation issue while installing the VS 2017 RC. While installing the VS 2017 RC, the installation was failing, the setup was throwing an exception like this - a product matching the following parameters cannot be found: channelId: VisualStudio.15.Release product Id : Microsoft.VisualStudio.Product.Professional. I tried the...


Running a specific test with .NET Core and NUnit

This post is about running a specific test or specific category with .NET Core and NUnit. dotnet-test-nunit is the unit test runner for .NET Core for running unit tests with NUnit 3. First you need to enable NUnit in dotnet core. "dependencies": { "System.Runtime.Serialization.Primitives": "4.3.0", "NUnit": "3.4.1", "dotnet-test-nunit": "3.4.0-beta-2" },...