The best Side of dapper tutorial for beginners

The best Side of dapper tutorial for beginners

Blog Article

The very first thing we're going to do is to make a new Dto folder, and inside it, a whole new CompanyForCreationDto class that we are going to use for the Article request:

The design is a set of classes to connect with the database. Now let us add an entity class Shopper while in the Model folder.

QueryMultiple – an extension system that executes various queries within the identical command and maps effects

Dapper is a light-weight, superior-efficiency facts access Instrument created via the Stack Overflow team. It provides a minimalist approach to info entry layer in .

Swagger is the favorite API testing Device for almost every developer. It tends to make your daily life really easy. Permit’s add swagger to our WebApi and take a look at our implementation so far.

QuerySingleOrDefault – executes a query and maps The end result or possibly a default value If your sequence is empty. It throws an exception when there is more than one aspect inside the sequence

Now it’s time to examine our number of tutorials to make you master Dapper and use it confidently in the .NET applications.

In a prior example, we utilized two SQL statements to return two outcomes then be a part of them with each other in just one object. But usually, for such queries, we don’t want to jot down two SQL statements.

QueryFirstOrDefault – we use this method to execute a query and map the 1st final result or perhaps a default price Should the sequence consists of no factors

In these tutorials, we provide a palms-on approach to the subject with move-by-move method illustrations that will aid you in Understanding and Placing the obtained information into practice.

Now you do have a fully practical API which can interact dapper tutorial for beginners with a SQL Server database applying Dapper. You understand how to fetch data from your database, insert new documents, update present ones, and delete records you now not require.

Next up, you’ll see how to ascertain a relationship on the SQL Server employing a connection string during the appsettings.json. From there, we’ll publish the code that interacts with our databases, sending queries by means of Dapper to accomplish the CRUD operations.

This procedures executes a query that return a resultset crafted from precisely a person row and one particular column. Much like the very good old IDBCommand.ExecuteScalar.

This technique executes a query that doesn’t return any resultset. Its return price has that quantity of rows influenced by the query. In case the executed actually generates a resultset, that may be discarded.

Simplicity: Dapper delivers an easy and intuitive API for executing queries and mapping outcomes. It allows you to produce SQL queries right, giving you comprehensive Management more than your databases interactions.