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Implementing Health Checks in ASP.NET Framework Applications

Published 8 months ago

Being able to monitor your ASP.NET web applications and APIs and detect any issues early on is crucial in ensuring your sites are up and running and in a healthy state. With ASP.NET Core 2.2 and later this now comes in the box (as I'll show you in later articles) but for .NET Framework apps you'll have to use to kind of custom solution. To implement simple monitoring in ASP.NET Framework apps (i.e. non-Core applications), I usually add some custom code to my projects to provide health information from an endpoint and then use external tools to monitor that endpoint. In this article I'll show you how you can implement health checks using custom code targeting the .NET Framework (although it should also work on .NET Core). In future articles I'll then show you how you can set up similar checks in an ASP.NET Core app with standard functionality and how to extend the base system using existing third-party health checks like an SMTP server monitor, to make your health checks even more powerful.

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ASP.NET N-Layered Applications - Extensions, Tools and Wrapping Up (Part 10)

Published 7 years ago

Note: this is part ten in a series of ten. If you rather read this entire series off-line, you can buy the full series as a convenient PDF document that comes with the full source. Besides the convenience, buying the PDF will also make you feel good as it shows your appreciation for the articles and helps me pay the bills for my server and hosting so I can keep running imar.spaanjaars.com and continue to provide you with great content. For more details, check out this post that shows you how you can buy the entire series right now.

This is Part 10 in a series of 10 that show you how to build N-Layered applications using ASP.NET 4.5 and Entity Framework 5 Code First. In this part I’ll discuss a few miscellaneous topics that I haven’t touched in previous articles in the series.

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ASP.NET N-Layered Applications - Importing Data Using the API (Part 9)

Published 7 years ago

Note: this is part nine in a series of ten. If you rather read this entire series off-line, you can buy the full series as a convenient PDF document that comes with the full source. Besides the convenience, buying the PDF will also make you feel good as it shows your appreciation for the articles and helps me pay the bills for my server and hosting so I can keep running imar.spaanjaars.com and continue to provide you with great content. For more details, check out this post that shows you how you can buy the entire series right now.

This is Part 9 in a series of 10 that show you how to build N-Layered applications using ASP.NET 4.5 and Entity Framework 5 Code First. In this part you’ll see how to build a command line application to import data from an external source (a CSV file in this case), using the application’s repository and model classes. Although this article is not related to ASP.NET directly, many ASP.NET developers may still benefit from it as importing data from an external resource is a common activity for ASP.NET developers.

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ASP.NET N-Layered Applications - Implementing a WCF 4.5 Frontend (Part 8)

Published 7 years ago

Note: this is part eight in a series of ten. If you rather read this entire series off-line, you can buy the full series as a convenient PDF document that comes with the full source. Besides the convenience, buying the PDF will also make you feel good as it shows your appreciation for the articles and helps me pay the bills for my server and hosting so I can keep running imar.spaanjaars.com and continue to provide you with great content. For more details, check out this post that shows you how you can buy the entire series right now.

This is Part 8 in a series of 10 that show you how to build N-Layered applications using ASP.NET 4.5 and Entity Framework 5 Code First. In this part you’ll see how to build a WCF service that makes use of the model and repository projects I have shown in the first five articles in this series. The WCF service can be used by different types of applications to access contact people and their related data.

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ASP.NET N-Layered Applications - Implementing a Web Forms 4.5 Frontend (Part 7)

Published 7 years ago

Note: this is part seven in a series of ten. If you rather read this entire series off-line, you can buy the full series as a convenient PDF document that comes with the full source. Besides the convenience, buying the PDF will also make you feel good as it shows your appreciation for the articles and helps me pay the bills for my server and hosting so I can keep running imar.spaanjaars.com and continue to provide you with great content. For more details, check out this post that shows you how you can buy the entire series right now.

This is Part 7 in a series of 10 that show you how to build N-Layered applications using ASP.NET 4.5 and Entity Framework 5 Code First. In this part you’ll see how to build a Web UI using ASP.NET Web Forms and make use of the model and repository projects I have shown in the first five articles in this series.

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ASP.NET N-Layered Applications - Implementing an ASP.NET MVC 4 Frontend (Part 6)

Published 7 years ago

Note: this is part six in a series of ten. If you rather read this entire series off-line, you can buy the full series as a convenient PDF document that comes with the full source. Besides the convenience, buying the PDF will also make you feel good as it shows your appreciation for the articles and helps me pay the bills for my server and hosting so I can keep running imar.spaanjaars.com and continue to provide you with great content. For more details, check out this post that shows you how you can buy the entire series right now.

This is Part 6 in a series of 10 that show you how to build N-Layered applications using ASP.NET 4.5 and Entity Framework 5 Code First. In this part you’ll see how to build a Web UI using ASP.NET MVC 4 and make use of the model and repository projects I have shown in the past five articles.

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ASP.NET N-Layered Applications - Implementing a Repository using EF Code First (Part 5)

Published 7 years ago

Note: this is part five in a series of ten. If you rather read this entire series off-line, you can buy the full series as a convenient PDF document that comes with the full source. Besides the convenience, buying the PDF will also make you feel good as it shows your appreciation for the articles and helps me pay the bills for my server and hosting so I can keep running imar.spaanjaars.com and continue to provide you with great content. For more details, check out this post that shows you how you can buy the entire series right now.

This is Part 5 in a series of 10 that show you how to build N-Layered applications using ASP.NET 4.5 and Entity Framework 5 Code First. In this part you’ll see how to build a concrete implementation of the repository that was introduced in the preceding article. I’ll show you how to create a data access layer that targets the Entity Framework (EF) and implements the repository interface in a clean and maintainable way.

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ASP.NET N-Layered Applications - Implementing a Model (Part 4)

Published 7 years ago

Note: this is part four in a series of ten. If you rather read this entire series off-line, you can buy the full series as a convenient PDF document that comes with the full source. Besides the convenience, buying the PDF will also make you feel good as it shows your appreciation for the articles and helps me pay the bills for my server and hosting so I can keep running imar.spaanjaars.com and continue to provide you with great content. For more details, check out this post that shows you how you can buy the entire series right now.

This is Part 4 in a series of 10 that show you how to build N-Layered applications using ASP.NET 4.5 and Entity Framework 5 Code First. In this part you’ll see how to build a model using POCO classes – Plain Old CLR Objects – that have no dependencies to external frameworks (such as a requirement to inherit from an Entity Framework base class). In addition, you will see how to create unit tests for your POCO classes as well as lay a foundation for validation of these classes.

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ASP.NET N-Layered Applications - Making your Projects Unit Testable (Part 3)

Published 7 years ago

Note: this is part three in a series of ten. If you rather read this entire series off-line, you can buy the full series as a convenient PDF document that comes with the full source. Besides the convenience, buying the PDF will also make you feel good as it shows your appreciation for the articles and helps me pay the bills for my server and hosting so I can keep running imar.spaanjaars.com and continue to provide you with great content. For more details, check out this post that shows you how you can buy the entire series right now.

This is Part 3 in a series of 10 that show you how to build N-Layered applications using ASP.NET 4.5 and Entity Framework 5 Code First. In this part you’ll see how to make your solution unit testable. In addition, you’ll see how to setup a project for Integration tests which work similar to unit tests but that target the database directly.

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ASP.NET N-Layered Applications - Setting up the Solution in Visual Studio (Part 2)

Published 8 years ago

Note: this is part two in a series of ten. If you rather read this entire series off-line, you can buy the full series as a convenient PDF document that comes with the full source. Besides the convenience, buying the PDF will also make you feel good as it shows your appreciation for the articles and helps me pay the bills for my server and hosting so I can keep running imar.spaanjaars.com and continue to provide you with great content. For more details, check out this post that shows you how you can buy the entire series right now.

This is Part 2 in a series of 10 that show you how to build N-Layered applications using ASP.NET 4.5 and Entity Framework 5 Code First. The previous article provided some history of the architecture of the Contact Manager application and gave a broad overview of the new architecture. In this installment, things get a bit more concrete when you see how to setup a solution in Visual Studio 2012. The VS solution is going to contain three class libraries: one for the Infrastructure, one for the application’s Model and one to hold the Entity Framework (EF) Repository implementation. I’ll also add four frontend projects (an ASP.NET MVC 4, a Web Forms project, a WCF service project, and a windows command line application) which are discussed in detail in Part 6, 7, 8 and 9 of this series respectively. In the next article in this series I’ll extend the solution with four more projects for unit, integration, UI and service tests.

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