The Single Best Strategy To Use For dapper tutorial for beginners
The Single Best Strategy To Use For dapper tutorial for beginners
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On this area, we are going to make a simple repository sample. We’ll allow it to be uncomplicated due to the fact this information is about Dapper.
Using the QueryMultipleAsync() method, we can certainly execute numerous SQL statements and return numerous leads to one query. Let’s see how to do this with the illustration.
Access the entire implementation and learn how everything operates under the hood. Don't forget to star my GitHub repo if you discover it useful!
Procedures incoming requests, manipulates details utilizing the model, and renders the ultimate output for that check out.
Execute – an extension approach that we use to execute a command a single or several instances and return the amount of affected rows
Because Dapper.Internet doesn't summary absent the databases or offer automated migrations, You will need to manage your database schema and cope with schema changes manually.
As you can see, there is nothing new with these two solutions. We've a query and parameters, and we execute our statements with the ExecuteAsync technique.
Inside a previous illustration, we applied two SQL statements to return two effects then be a part of them jointly in just one item. But normally, for these queries, we don’t want to write two SQL statements.
public int CustomerID get; established; community string FirstName get; set; community string LastName get; established; general public string Electronic mail get; established;
A couple of notes below. Because we don’t have any business enterprise logic, we're not creating a support layer to wrap our repository layer. For this sort of software, the company layer would contact repository techniques and nothing additional, adding an unwanted level of complexity to the posting. Naturally, we usually propose utilizing the assistance layer in greater-scale apps.
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Next up, you’ll see how to establish a connection into the SQL Server employing a connection string during the appsettings.json. From there, we’ll compose the code that interacts with our databases, sending queries as a result of Dapper to complete the CRUD operations.
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