New Step by Step Map For dapper tutorial for beginners
New Step by Step Map For dapper tutorial for beginners
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The very first thing we're going to do is to make a new Dto folder, and within it, a fresh CompanyForCreationDto course that we're going to use for that Submit request:
Effectiveness: Dapper is unbelievably rapidly and efficient. It minimizes the overhead of mapping final results to things, resulting in significant-effectiveness database obtain. ️
We’ll tell you about how to use dynamic parameters in the following case in point, in which we’ll make a new Company entity in our databases.
Dealing with the update and delete is very uncomplicated mainly because we already have all of the required awareness. So, Permit’s jump straight to the code.
The very first thing we’ll do is develop a new ASPNetCoreDapper database. After the databases development, you may navigate to our supply code repository and discover a script (Initial Script with Information.sql) that you can execute to create two tables and populate them with details:
Now, if we connect with this technique and pass a business for development to it, it will eventually develop a new entity for us. But, when creating API’s Publish action, it is a great apply to return a connection, which the API’s users can use to navigate for the created entity.
Executing raw SQL Queries is always quickly. Growth of jobs are done much faster when using Dapper because it is very simple to master and does not have additional options like EF Core which requires some time to comprehend.
general public course Employee community int Id get; set; public string Name get; set; general public int Age get; established; general public string Posture get; set; community int CompanyId get; set;
In the following paragraphs, we’ll find out how to use Dapper in the ASP.Internet Core Web API undertaking. We’ll talk about Dapper All round, how you can use distinctive queries and executions, ways to execute saved treatments, and how to create numerous queries within a transaction.
Should the concentrate on item has become specified (“User” in the above sample), mapping is finished by matching the names of returned columns with object Qualities names.
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The ExecuteAsync technique returns int Subsequently, symbolizing the number of impacted rows while in the databases. So, if you want that information and facts, You should utilize it by accepting the return benefit from this technique.
Today, every one of the Qualities from the Company course hold the exact same names given that the columns inside the Companies desk. But what would take place if People don’t match?
If you'd like to learn more about why we use this DTO (and we're going to use A different one with the Update action), you are able to read our dapper tutorial for beginners ASP.Web Core Web API series of articles, in which we explain The key reason why at the rear of this (articles or blog posts 5 and 6 from the sequence).
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