Before applying Dapper within our project, we have to prepare a databases and create a new Website API task. So, let’s begin with the database.
Utilizing the QueryMultipleAsync() process, we can easily execute a number of SQL statements and return a number of brings about only one question. Enable’s see how to do that using an illustration.
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Dapper is a lightweight, significant-overall performance knowledge obtain tool created via the Stack Overflow group. It provides a minimalist approach to facts obtain layer in .
Execute – an extension approach that we use to execute a command just one or various times and return the number of impacted rows
As soon as we get various benefits In the multi variable, we will extract each effects (organization and workforce for each that enterprise) by using the ReadSignleOrDefaultAsync and ReadAsync procedures. The very first system returns a single consequence, while the next returns a set.
As you are able to see, there's nothing new Using these two procedures. Now we have a query and parameters, and we execute our statements Together with the ExecuteAsync method.
You may have total control about how parameters are sent to your database, as you could see from what get executed:
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Transactions are very simple to make use of with Dapper. We can execute it utilizing the Dapper library (the 1 we now use) or maybe the Dappr.Transaction library, which is identical issue as Dapper, just Along with the prolonged IDbConnection interface. Inside our illustration, we're going to use the Dapper library.
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Below, we develop our query along with a dynamic parameters item (we are not making use of an anonymous item anymore). We populate that item with our 3 parameters then get in touch with the ExecuteAsync approach to execute our insert assertion.
When discussing these extension techniques, we have to mention that Dapper supports synchronous and asynchronous strategy executions. We’ll use the asynchronous Variation of All those approaches.