5 Easy Facts About dapper tutorial for beginners Described

5 Easy Facts About dapper tutorial for beginners Described

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Prior to using Dapper within our undertaking, we have to put together a databases and produce a new Internet API challenge. So, Allow’s get started with the database.

Develop an entity or model class of Consumer kind, this entity will likely be mapped to the Customers table in the databases.

The above mentioned code is very simple to know, right here We now have extra a databases connection string to some variable known as myCS. Future We've assigned a variable sql a database insert query.

Dapper is a lightweight, superior-efficiency facts access Instrument designed from the Stack Overflow crew. It offers a minimalist method of details access layer in .

Swagger is the favourite API tests Instrument for almost each individual developer. It can make your daily life so easy. Permit’s increase swagger to our WebApi and exam our implementation to this point.

QuerySingleOrDefault – executes a question and maps The end result or possibly a default value if the sequence is empty. It throws an exception when there is multiple element from the sequence

We’ll provide you with just the repository method wherever we employ transactions. All The remainder is fairly basic as we recurring the measures quite a few moments in this article:

by default. If you would like have Command on how strings are handed to your databases, You should utilize the DBString course:

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QuerySingle – an extension technique that executes a query and maps The end result. It throws an exception when there is not just one particular factor while in the sequence

community int CustomerID get; set; public string FirstName get; established; community string LastName get; established; public string E mail get; established;

This is extremely concise and cleanse, but it doesn’t let to specify if a parameter is an enter or output parameter, and the info variety is inferred within the parameter type itself. In this article’s what get executed about the database:

If you need to learn the way to produce a fully-fledged Repository Sample, you are able to go through our write-up on that matter. Also, you will find the async Model of it if you would like write it this way.

This method executes a question that doesn’t return any resultset. Its return price includes that quantity of rows affected by the question. In case the executed truly generates a resultset, that can be discarded.

Take note: If we missed any topics dapper tutorial for beginners Within this ASP.Web MVC Tutorial study course, you should let's know by commenting inside the comment segment, and we absolutely protect All those subject areas as soon as possible.