The best Side of dapper tutorial for beginners
The best Side of dapper tutorial for beginners
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This technique accepts our query being a parameter in addition to a Func delegate that accepts two parameters of sort Firm stop Employee. In the delegate, we seek to extract a company by its Id value. If it doesn’t exist, we shop it In the currentCompany variable and add it towards the dictionary. Also, we assign all the staff to that recent enterprise and return it from a Func delegate.
Utilizing the QueryMultipleAsync() system, we can certainly execute a number of SQL statements and return a number of results in an individual question. Permit’s see how to do this with the example.
The above mentioned code is very simple to be aware of, below We've additional a databases connection string into a variable termed myCS. Subsequent We now have assigned a variable sql a databases insert query.
Working with the update and delete is fairly simple because we already have all the expected awareness. So, Permit’s jump straight into the code.
We’ll use try out-catch blocks in Each individual action in our controller for the instance’s sake. But in order to avoid code repetition, we strongly recommend reading our World Error Managing report.
Dapper is made to be quickly, productive, and simple to use, making it a great choice for builders who want To optimize effectiveness and productiveness.
We’ll provide you with just the repository strategy wherever we carry out transactions. All The remainder is very very simple as we recurring the techniques quite a few situations on this page:
public class Personnel general public int Id get; set; community string Identify get; established; public int Age get; set; community string Posture get; established; public int CompanyId get; set;
In this article, we’ll find out how to utilize Dapper in the ASP.Web Main Website API challenge. We’ll mention Dapper All round, how to use unique queries and executions, the best way to execute saved processes, and the way to generate numerous queries within a transaction.
If your 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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