The Single Best Strategy To Use For dapper tutorial for beginners

The Single Best Strategy To Use For dapper tutorial for beginners

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The model is a set of courses to interact with the databases. Now let's insert an entity course Purchaser inside the Product folder.

The above code is very simple to be aware of, here We've got extra a databases link string to your variable termed myCS. Subsequent We've got assigned a variable sql a database insert query.

Dynamic Parameters are especially great for advanced stored method, in case you have to have tackle also a return price:

Execute – an extension method that we use to execute a command 1 or several moments and return the quantity of influenced rows

Now, if we simply call this technique and pass an organization for development to it, it is going to make a new entity for us. But, while making API’s Submit action, it is an efficient exercise to return a connection, which the API’s users can use to navigate towards the developed entity.

We’ll provide you with just the repository method where by we carry out transactions. All The remainder is rather basic as we repeated the measures quite a few instances on this page:

public class Employee community int Id get; established; public string Title get; established; general public int Age get; set; public string Situation get; established; public int CompanyId get; set;

With this feature all is necessary is always that nameless object’s fields provide the exact same title of the utilised parameters. You should use the “@” indicator also in the sphere name In order for you or you are able to omit it providing, again, the title matches the parameter you should assign the worth to.

In case the goal object has been specified (“Person” in the above sample), mapping is done by matching the names of returned columns with item Homes names.

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This is very concise and clean up, nonetheless it doesn’t enable to specify if a parameter is an enter or output parameter, and the data form is inferred from your parameter type by itself. Here’s what get executed to the database:

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Here, we build our query and a dynamic parameters item (we are not working with an anonymous item anymore). We populate that object with our a few parameters then contact the ExecuteAsync process to execute our insert statement.

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