A Simple Key For dapper tutorial for beginners Unveiled

A Simple Key For dapper tutorial for beginners Unveiled

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We inject the IConfiguration interface to allow entry to the connection string from our appsettings.json file. Also, we develop the CreateConnection method, which returns a fresh SQLConnection object. For this to work, we really need to add numerous using statements:

As you can see, after making a new firm from the databases, we return a route to fetch our newly produced entity.

Processes incoming requests, manipulates data utilizing the design, and renders the final output with the watch.

We’ll use check out-capture blocks in Every single action inside our controller for the example’s sake. But to avoid code repetition, we strongly counsel studying our Global Mistake Handling short article.

Now, if we connect with this method and pass a company for creation to it, it is going to develop a new entity for us. But, when building API’s POST action, it is an effective follow to return a backlink, which the API’s customers can use to navigate for the designed entity.

We’ll show you just the repository system wherever we put into action transactions. All the rest is fairly straightforward as we repeated the actions a number of occasions in this post:

general public course Worker community int Id get; established; public string Title get; established; public int Age get; established; public string Placement get; established; general public int CompanyId get; set;

In this post, we’ll learn how to employ Dapper while in the ASP.NET Main Net API project. We’ll look at Dapper In general, the way to use various queries and executions, ways to execute stored strategies, and how to build various queries inside a transaction.

In case the goal item has long been specified (“Consumer” in the above sample), mapping is finished by matching the names of returned columns with item Qualities names.

Now, we have to define the relationship string of our databases, in order that the application can hook up with our Databases for executing CRUD functions. Open up the appsettings.json file inside the Dapper.WebApi Venture and add the next

It is one dapper tutorial for beginners of the speediest and simplest all around, nevertheless it is very extensible and, earlier mentioned all, well adopted and Utilized in pretty higher-general performance Internet sites. Additional particularly has become developed and it is preserved by the fellows at the rear of StackOverflow, so that you can be certain it is actually battle-tested. Source code is on GitHub

If you need to simulate an mistake and examination that no rows is going to be made from the database, you'll be able to throw an exception below the await code line. You will find no new rows in the businesses desk.

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