5 Simple Techniques For dapper tutorial for beginners

5 Simple Techniques For dapper tutorial for beginners

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

We inject the IConfiguration interface to help access to the connection string from our appsettings.json file. Also, we develop the CreateConnection system, which returns a new SQLConnection object. For this to work, we must incorporate various using statements:

Hey Reader, You'll have observed the recent site publish from Jimmy Bogard (creator of MediatR and AutoMapper) saying that these libraries are likely industrial. Also to be distinct, I thoroughly assist that. Time is revenue, and supporting Your loved ones generally comes to start with.

Dapper.Internet continue to offers considerable rewards, specifically in conditions of performance and Manage. Will investigate Dappet.Internet in forthcoming content earning a straightforward CRUD application and looking out at benefits and drawbacks of it.

Execute – an extension technique that we use to execute a command a single or many situations and return the volume of afflicted rows

As soon as we get numerous success inside the multi variable, we are able to extract both equally benefits (company and staff members for every that firm) by utilizing the ReadSignleOrDefaultAsync and ReadAsync techniques. The 1st method returns one final result, whilst the second returns a collection.

Typically, we make a Look at Using the exact name as an Action process, so let's make an Index watch and add the next code.

by default. If you would like have Regulate on how strings are handed for the database, You will need to use the DBString class:

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

We’ll also develop a very simple repository layer to wrap the logic up to avoid using Dapper queries straight inside the controller.

Executes a query and maps the result to a summary of dynamic objects or, if specified, to a listing of strongly typed objects:

Dapper.NET expects builders to have a solid idea of SQL plus the underlying databases framework

var sql = @"pick dapper tutorial for beginners * from cars and trucks exactly where Id = @id1; pick out * from cars in which Id = @id2; find * from vehicles the place Id = @id3";

What is your experience with Dapper? Could it be your goto tool with your projects or would you relatively use Entity Framework or another thing?

Simplicity at its Core: Dapper.Internet focuses on simplicity and simplicity of use. It does not try and abstract absent the databases, making it possible for you to write and enhance your SQL queries straight.