How to use Middleware in ASP.NET Core (2 ways of implementing middleware)

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Middleware in ASP.Net Core is software components that are assembled into the HTTP pipeline to handle requests and responses. A middleware component can either choose to pass the request to the next component in the pipeline. Or it may choose to end the request. Middleware can perform tasks both before as well as after the next component.

Middleware is nothing but requests delegates which builds the request pipeline. In other words, we can chain requests delegates one after another to build the HTTP pipeline. And each of these requests delegates works with HTTP requests.

In this video, I will walk through how to build middleware to implement custom implementations.

Middleware can be implemented in either of two ways.
The first way is to use one of the existing extension methods:
1. Run
2. Use
3. UseWen
4. Map
5. MapWhen

Or the second way, which is building custom middleware using middleware convention.

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This is so much easier than I thought it was going to be. Excellent video, thanks!

nickfotopoulos
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Excellent you covered the majority of use cases. Thank you

deepz
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His videos are super fast and practical so that while watching them you don't get chance to break the rhythm. Also they are based on single topics so no 1-2 hrs videos which you feel when it will get over. I liked his style of teaching. Can you please make some quick videos on Angular too?

mohinikadasi
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though it is bit fast the way you are explaining in practical is too good....first time in my life commenting for your comments and want to get habituate with your videos....subscribed :)

ramutangudu
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Very good and to the point. Found it very helpful in understanding the middleware concept.

rochitsen
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Thank you for your excellent explanation.

eieitheint
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hats off... Superb explanation. it made my day

DebasmitSamal
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Very clear to the topic .thank you so much .

ashutoshmishra
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Thanks for your time and explanation, Excellent

Anubis
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Great topic...is there any chance to make a video on asp net core API project from scratch and use swagger, CRUD, EF core, DTO's, Auto mappers, authentication, authorization, paging, validations, filters, middleware etc...most of my dot net friends also waiting for the same,

RAM-ffdy
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What is the difference between UseWhen and MapWhen?

nareenderkumar
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thank u bro ... i have a question how to develop real time fire emergency response system Prototype using middleware???

temesegenabuhay
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Now i can gave answers ask in interview on middleware .

ashutoshmishra
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Please start a course on dot net core .

ashutoshmishra