The best Side of dapper tutorial for beginners

The best Side of dapper tutorial for beginners

Blog Article

This method accepts our question for a parameter plus a Func delegate that accepts two parameters of style Enterprise stop Staff. Within the delegate, we try to extract an organization by its Id price. If it doesn’t exist, we keep it Within the currentCompany variable and add it for the dictionary. Also, we assign all the staff to that present firm and return it from a Func delegate.

Here We'll just determine the IUnitOfWork and inject it into the Controller’s constructor. After that, we make separate Action Approaches for every CRUD Procedure and use the unit of work object. That’s it for that implementation. Enable’s check it.

Obtain the complete implementation and find out how anything will work beneath the hood. Do not forget to star my GitHub repo if you find it useful!

Now, we're going to manage a Write-up request within our API and utilize the ExecuteAsync technique to make a new enterprise entity inside the databases.

We’ll use try-catch blocks in Just about every motion within our controller for the instance’s sake. But to stop code repetition, we strongly advise studying our World-wide Mistake Managing article.

Async approaches. The 10 samples I’ve developed reveals how the above mentioned strategies can be utilized. Enable’s Look into them just before twiddling with the sample code:

As you could see, when we quit making use of our connection, we must eliminate it. The moment we make a relationship, we can easily utilize it to contact the QueryAsync method and move the question as an argument. Because the QueryAsync() method returns IEnumerable, we transform it to a listing as soon as we wish to return a outcome.

Turn into a .Web & Blazor skilled with weekly tutorials showcasing ideal techniques and the most recent improvements, suitable within your inbox.

QueryFirstOrDefault – we use this technique to execute a question and map the very first end result or simply a default value In case the sequence incorporates no components

In these tutorials, we offer a palms-on method of the subject with phase-by-phase application illustrations that will help you in Understanding and putting the obtained awareness into observe.

Light-weight: Dapper is a lightweight library with small dependencies. It doesn’t impose any elaborate configuration or set up, which makes it very easy to combine into your projects.

This is extremely concise and clean up, but it surely doesn’t let to specify if a parameter is definitely an enter or output parameter, and the data style is inferred through the parameter kind by itself. Right here’s what get executed over the database:

If you would like learn the way to produce a fully-fledged Repository Sample, you can study our post on that subject. Also, you will discover the async Edition of dapper tutorial for beginners it in order to publish it like that.

In order to learn more about why we use this DTO (and we're going to use An additional one with the Update action), you can browse our ASP.NET Main Website API number of content articles, wherever we describe the reason guiding this (content articles five and 6 within the sequence).

Note: If we missed any topics in this ASP.NET MVC Tutorial course, please let us know by commenting inside the comment section, and we definitely go over Individuals subjects right away.