dapper tutorial for beginners Options
dapper tutorial for beginners Options
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On this segment, we are going to produce a simple repository sample. We’ll allow it to be straightforward mainly because this post is about Dapper.
Using the QueryMultipleAsync() approach, we can easily execute numerous SQL statements and return numerous results in a single question. Permit’s see how to do this by having an instance.
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Dapper is a lightweight, significant-overall performance info entry Software designed through the Stack Overflow group. It offers a minimalist method of knowledge obtain layer in .
We’ll use try out-capture blocks in Every motion in our controller for the example’s sake. But to stop code repetition, we strongly suggest examining our Worldwide Mistake Handling post.
Async techniques. The ten samples I’ve established shows how the above mentioned techniques can be used. Let’s Check out them before twiddling with the sample code:
Executing Uncooked SQL Queries is always quickly. Advancement of initiatives are done much faster when utilizing Dapper due to the fact it is dapper tutorial for beginners vitally straightforward to understand and does not have further attributes like EF Main which involves some time to understand.
After Dapper is enabled you can alter the Language drop all the way down to C# Plan, map query results to C# courses, and use the .Dump() process to examine the final results:
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We’ll also develop a uncomplicated repository layer to wrap the logic up to stay away from using Dapper queries straight inside the controller.
Listen that Should your saved method doesn’t return a worth, You need to use the ExecuteAsync process for execution.
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This method is nearly the same as the prior one particular, but with one particular exception mainly because we're utilizing the QuerySingleOrDefaultAsync technique listed here and supply an anonymous object as the next argument.
What is your knowledge with Dapper? Is it your goto tool as part of your initiatives or would you fairly use Entity Framework or another thing?
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