dapper tutorial for beginners - An Overview
dapper tutorial for beginners - An Overview
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Utilizing the QueryMultipleAsync() strategy, we can certainly execute numerous SQL statements and return a number of results in only one question. Permit’s see how to do that with an case in point.
QueryMultiple – an extension process that executes numerous queries inside the similar command and maps results
Dapper.NET nevertheless presents significant benefits, particularly in phrases of effectiveness and Command. Will explore Dappet.NET in approaching articles or blog posts generating an easy CRUD app and searching at benefits and drawbacks of it.
Execute – an extension technique that we use to execute a command one particular or many situations and return the volume of afflicted rows
As soon as we get various outcomes In the multi variable, we can extract both benefits (organization and workforce for each that company) by using the ReadSignleOrDefaultAsync and ReadAsync solutions. The very first system returns a single outcome, whilst the second returns a collection.
Commonly, we make a See Along with the identical identify being an Action technique, so let us build an Index watch and include the next code.
#dotnet In the following paragraphs, We're going to understand all about Dapper in ASP.Web Core and make a little implementation to know how it really works. Enable’s not Restrict it in order to Dapper. We will Make an application that follows a very simple and cleanse architecture.
QueryFirstOrDefault – we use this technique to execute a query and map the initial consequence or even a default value If your sequence consists of no aspects
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Pay attention that When your saved process doesn’t return a price, you can use the ExecuteAsync strategy for execution.
The ExecuteAsync technique returns int Consequently, representing the amount of impacted rows within the databases. So, if you want that data, You need to use it by accepting the return benefit from this technique.
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In this article, we generate our question plus a dynamic parameters object (we dapper tutorial for beginners aren't using an anonymous item anymore). We populate that object with our a few parameters after which call the ExecuteAsync strategy to execute our insert assertion.
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