5 Essential Elements For dapper tutorial for beginners

5 Essential Elements For dapper tutorial for beginners

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Following the course creation, we can register it for a singleton services in the Startup course, In case you are utilizing .NET5:

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Dapper is a light-weight, higher-general performance information obtain Software constructed because of the Stack Overflow workforce. It offers a minimalist method of facts obtain layer in .

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At the time we get multiple outcomes inside the multi variable, we can easily extract the two benefits (corporation and staff members for every that enterprise) by utilizing the ReadSignleOrDefaultAsync and ReadAsync methods. The initial approach returns only one result, while the 2nd returns a collection.

Typically, we make a Check out with the similar name as an Motion technique, so let us create an Index look at and add the next code.

After Dapper is enabled you are able to alter the Language drop right down to C# Program, map query outcomes to C# classes, and make use of the .Dump() method to inspect the results:

As you may see, our question variable includes two Find statements. The very first will dapper tutorial for beginners return just one firm, and the 2nd a single will return all the employees of that corporation. After that, we make a link and then use that connection to phone the QueryMultipleAsync approach.

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

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This solutions executes a question that return a resultset crafted from specifically just one row and 1 column. Just like the superior previous IDBCommand.ExecuteScalar.

What is your experience with Dapper? Could it be your goto tool as part of your tasks or would you somewhat use Entity Framework or something else?

Simplicity at its Main: Dapper.NET focuses on simplicity and simplicity of use. It does not try to abstract absent the databases, letting you to write down and enhance your SQL queries directly.