The best Side of dapper tutorial for beginners
The best Side of dapper tutorial for beginners
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The very first thing we are going to do is to make a new Dto folder, and within it, a fresh CompanyForCreationDto class that we are going to use to the Put up ask for:
We inject the IConfiguration interface to allow use of the relationship string from our appsettings.json file. Also, we create the CreateConnection approach, which returns a different SQLConnection item. For this to operate, we need to incorporate various using statements:
We’ll demonstrate how to use dynamic parameters in the following illustration, where we’ll produce a new Corporation entity inside our database.
At the time Dapper offer is mounted, we've been all set to accomplish databases functions within our .NET app. In the below code we are inserting a history to the databases table with Dapper.
Execute – an extension technique that we use to execute a command a single or a number of situations and return the number of afflicted rows
Dapper is designed to be quickly, successful, and convenient to use, which makes it a fantastic option for builders who want To optimize functionality and productiveness.
As you can see, when we cease working with our connection, we have to dispose of it. When we produce a relationship, we are able to use it to phone the QueryAsync approach and move the query being an argument. Because the QueryAsync() system returns IEnumerable, we change it to an inventory the moment we wish to return a consequence.
Within a previous illustration, we applied two SQL statements to return two outcomes and then be part of them together in just one object. But typically, for these kinds of queries, we don’t want to put in writing two SQL statements.
In this article, we’ll learn the way to work with Dapper within the ASP.Web Main Internet API project. We’ll look at Dapper Total, the best way to use different queries and executions, tips on how to execute stored strategies, and how to build a number of queries inside a transaction.
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This method is sort of the same as the preceding one, but with just one exception simply because we have been utilizing the QuerySingleOrDefaultAsync approach in this article and provide an anonymous item as the 2nd argument.
To perform CRUD operations during dapper tutorial for beginners the database, we must build a connection with the database utilizing a databases connection.
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