Tagged articles - Dependency Injection

Found 7 articles tagged with Dependency Injection

Writing Azure WebJobs with dependency injection in .NET Core
Take advantage of .NET Core native dependency injection in Azure WebJob
 
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WebJobs are a great way to run recurrent background tasks that support your application. They come as a part of Azure App Service/Web App serverless model...read more
Using dispatcher class to resolve CQRS commands and queries in ASP.NET Core
Injecting dispatcher class instead of multiple commands and queries in controller constructor
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Recently I wrote an article about Automatic CQRS handler registration in ASP.NET Core with reflection in order to reduce number of lines for registering command and query to IOC container in ASP.NET Core. However, this solution does reduce lines for service registration in the startup, you still need to add all command and query handlers as parameters to the controller constructor. ...read more
Managing images on filesystem using Repository pattern in .NET Core
Repository pattern in action for managing files
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It is not uncommon that for records in database you need to store image files or other documents related to the specific record on the file system. Storing documents related to the database records on the file system is not a silver bullet...read more
Registering multiple implementations of the same interface in ASP.NET Core
Multiple implementations of an interface in .NET Core Dependency Injection
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Starting from it's initial release ASP .NET Core comes with built in dependency injection (DI) to help implement Inversion Of Control design pattern. This is not something new in .NET and apart from built-in DI in .NET Core, there are other libraries which provide same and in some cases even more advanced dependency injection implementation...read more
Dependency injection with custom MVC filter attributes in ASP.NET Core
Using dependency injection with custom ExceptionFilterAttribute in ASP.NET Core
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Apart from adding your own middleware to the ASP.NET MVC Core application pipeline, you can control the response using custom MVC filter attributes and selectively apply them to either whole controller or controller actions. One of the commonly used MVC filter in ASP.NET Core is ExceptionFilterAttribute for handling error response in Wep API applications. It is easy to implement and I also wrote an article about Error handling in ASP.NET Core Web API few months ago...read more
Sending email in ASP.NET Core using SmtpClient and dependency injection
Using dependency injection to send email in ASP.NET Core
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Starting with .NET Core 2.0, Microsoft introduced SmtpClient, identical implementation as in .NET 4. This made sending emails from the application a lot easier as there is functionality out of the box and you do not have to rely on the 3rd party nuget packages. If you inspect this class, you will see that the only interface it inherits is IDisposable, so it does not give you many options for injection unless you wrap it with your own implementation and interface, but since we are not going to go that deep into the dependency injection, we'll just focus on creating a client instance using .NET Core dependency injection framework. ...read more
Using strongly typed objects with IDistributedCache instead of byte arrays
An easy way to cache any object to distributed cache store using .NET Core
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Saving an object to distributed cache store in .NET Core requires your object to be serialized to byte array in order for SetAsync method on Microsoft.Extensions.Caching.Distributed.IDistributedCache interface implemented instance to save your object to the injected cache store instance. This means that what ever instance you have, you need to serialize it first to byte array. Similar, just reversed process applies for the process of reading an object from the distributed cache store. ...read more

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