Not known Details About dapper tutorial for beginners

Not known Details About dapper tutorial for beginners

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Produce an entity or model course of Buyer style, this entity will be mapped to The shoppers desk inside the databases.

QueryMultiple – an extension approach that executes multiple queries throughout the similar command and maps results

Dynamic Parameters are Particularly ideal for complicated stored technique, just in case you will need handle also a return benefit:

Of course execution of stored process is supported. Any with the talked about methods makes it possible for the execution of a stored treatment. All it’s needed should be to omit

QuerySingleOrDefault – executes a question and maps the result or simply a default price In the event the sequence is vacant. It throws an exception if there is multiple factor within the sequence

Now it’s time to examine our series of tutorials to cause you to find out Dapper and utilize it confidently within your .Web apps.

I feel that this process exists predominantly for building easier to adopt Dapper in legacy codebases in which in place of addressing strongly typed lists you've to cope with a DataReader, and refactoring to work with a typed listing it is actually impossible. If that’s the situation, then is the tactic for yourself. Given that the identify suggest it just returns a IDataReader.

As it is possible to see, our question variable contains two Choose statements. The very first will return one company, and the 2nd one will return all the workers of that company. After that, we make a relationship and after that use that link to connect with the QueryMultipleAsync process.

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Executes a question and maps The end result to a list of dynamic objects or, if specified, to a summary of strongly typed objects:

The ExecuteAsync system returns int Consequently, representing the quantity of afflicted rows in the database. So, if you need that details, You should utilize it by accepting the return benefit from this technique.

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This method executes a query that doesn’t return any resultset. Its return benefit contains that number of rows afflicted via the question. If your executed basically generates a resultset, that will be discarded.

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