5 Simple Techniques For dapper tutorial for beginners

5 Simple Techniques For dapper tutorial for beginners

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This inserts a whole new report towards the stock table. Below We've penned all the codes in just four traces exhibiting the strength of Dapper.

Below’s a summary That which you can anticipate to be returned by Just about every approach in the event that your query return no rows, one particular row or numerous rows:

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Dapper is a light-weight, large-performance data accessibility Software created because of the Stack Overflow team. It provides a minimalist method of information accessibility layer in .

Swagger is the favorite API tests Instrument for just about each and every developer. It will make your lifetime really easy. Permit’s add swagger to our WebApi and exam our implementation up to now.

NET purposes, concentrating on raw effectiveness although sustaining the simplicity within your code. Dapper extends the IDbConnection interface with further methods to conduct SQL commands and question information.

Now it’s time to examine our series of tutorials to cause you to discover Dapper and utilize it confidently within your .Web apps.

#dotnet In the following paragraphs, we will learn all about Dapper in ASP.Web Main and make a little implementation to know how it really works. Allow’s not Restrict it only to Dapper. We'll Develop an software that follows a very simple and clean up architecture.

As you could see, our question variable contains two SELECT statements. The very first will return just one organization, and the second 1 will return all the employees of that organization. After that, we create a relationship and afterwards use that relationship to simply call the QueryMultipleAsync system.

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Executes a question and maps The end result to a listing of dynamic objects or, if specified, to an index of strongly typed objects:

Transactions are quite straightforward to utilize with Dapper. We are able to execute it using the Dapper library (the one we by now use) or perhaps the Dappr.Transaction library, which is the same factor as Dapper, just with the prolonged IDbConnection interface. Within our example, we're going to make use of the Dapper library.

This method is nearly similar to the former one, but with just one exception simply because we have been utilizing dapper tutorial for beginners the QuerySingleOrDefaultAsync approach below and provide an anonymous object as the 2nd argument.

If you wish to find out more about why we use this DTO (and we are going to use An additional one for that Update action), you can examine our ASP.NET Main Net API series of content, in which we reveal The explanation behind this (content 5 and six in the collection).

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