Prior to using Dapper inside our job, we must get ready a database and make a new Internet API challenge. So, Allow’s start with the database.
Following the class creation, we will sign up it to be a singleton assistance in the Startup class, Should you be applying .NET5:
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After Dapper package deal is set up, we have been willing to complete database operations inside our .Internet application. Inside the beneath code we've been inserting a document to some database desk with Dapper.
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Dapper is built to be fast, successful, and user friendly, rendering it an excellent option for builders who want To optimize effectiveness and efficiency.
We’ll provide you with just the repository system where by we employ transactions. All the rest is fairly uncomplicated as we recurring the actions various occasions on this page:
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QueryFirstOrDefault – we use this method to execute a query and map the main outcome or maybe a default value If your sequence includes no features
In these tutorials, we offer a fingers-on approach to the topic with phase-by-phase dapper tutorial for beginners system examples that can help you in Understanding and putting the obtained understanding into observe.
Light-weight: Dapper is a lightweight library with minimal dependencies. It doesn’t impose any complex configuration or set up, rendering it easy to combine into your tasks.
This is extremely concise and clear, nonetheless it doesn’t let to specify if a parameter is definitely an enter or output parameter, and the info style is inferred within the parameter form by itself. Right here’s what get executed around the databases:
This methods executes a question that return a resultset product of particularly a person row and one particular column. Just like the good outdated IDBCommand.ExecuteScalar.
This process executes a question that doesn’t return any resultset. Its return worth incorporates that quantity of rows impacted from the query. If the executed really generates a resultset, that will be discarded.
Simplicity at its Main: Dapper.Internet focuses on simplicity and simplicity of use. It will not attempt to abstract absent the databases, letting you to write down and improve your SQL queries right.