The best Side of dapper tutorial for beginners
The best Side of dapper tutorial for beginners
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This method accepts our question for a parameter and also a Func delegate that accepts two parameters of sort Organization finish Employee. Inside the delegate, we seek to extract a corporation by its Id price. If it doesn’t exist, we retail outlet it Within the currentCompany variable and add it to the dictionary. Also, we assign all the workers to that latest enterprise and return it from the Func delegate.
Following the course generation, we are able to sign-up it being a singleton assistance in the Startup class, If you're using .NET5:
QueryMultiple – an extension approach that executes multiple queries inside the similar command and maps outcomes
Dynamic Parameters are Primarily great for advanced stored procedure, in case you need handle also a return value:
We’ll use try-capture blocks in Just about every action inside our controller for the instance’s sake. But to prevent code repetition, we strongly suggest examining our World wide Error Managing short article.
Dapper is designed to be fast, effective, and simple to use, making it a great choice for builders who want To optimize effectiveness and productiveness.
As you may see, there's nothing new Using these two methods. We've a question and parameters, and we execute our statements Together with the ExecuteAsync strategy.
by default. In order for you have Manage on how strings are passed to your dapper tutorial for beginners databases, You need to make use of the DBString course:
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Should the concentrate on object is specified (“User” in the above mentioned sample), mapping is completed by matching the names of returned columns with object Attributes names.
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It is amongst the speediest and most basic all over, but it is very extensible and, earlier mentioned all, nicely adopted and Employed in extremely significant-efficiency Web-sites. A lot more specially continues to be formulated and is taken care of by the blokes at the rear of StackOverflow, so that you can be certain it can be struggle-tested. Source code is on GitHub
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