Asp net core rc2 web api post when to use create createdataction vs created

ASP.NET is a popular programming language used for developing web applications. One common question that arises when working with ASP.NET is when to use the “” action versus the “CreateDataAction” action in the context of a web API post . In this article, we will explore this question and examples to help clarify the differences between these two actions.

Understanding the Create Action

The “Create” action in ASP.NET is typically used when you want to create a new resource on the server. This action is commonly used in scenarios where you need to add a new record to a database or some other that involves creating a new .

To illustrate this, let's consider an where we have a web API for managing a list of books. When a client sends a POST request to the “/api/books” endpoint with the necessary data to create a new book, the server would handle this request using the “Create” action.

Here's an example of how the “Create” action could be implemented in ASP.NET:


[HttpPost]
public  Create(Book book)
{
    // Perform necessary  to create the book
    // Return appropriate response
}

In this example, the “Create” action takes a parameter of type “Book” which represents the data needed to create a new book. The action would then perform the necessary operations, such as adding the book to a database, and return an appropriate response to the client.

Understanding the CreateDataAction

The “CreateDataAction” action, on the other hand, is used in scenarios where you want to create a new resource but also return additional data in the response. This can be useful when you need to provide the client with additional information about the newly created resource.

Continuing with our example of managing books, let's say that in addition to creating a new book, we also want to return the newly created book's ID in the response. In this case, we would use the “CreateDataAction” action.

Here's an example of how the “CreateDataAction” action could be implemented in ASP.NET:


[HttpPost]
public IActionResult CreateDataAction(Book book)
{
    // Perform necessary operations to create the book
    // Return the newly created book's ID along with an appropriate response
}

In this example, the “CreateDataAction” action is similar to the “Create” action, but it also includes the logic to return the newly created book's ID in the response.

Conclusion

In summary, the decision to use the “Create” action or the “CreateDataAction” action in ASP.NET depends on you need to return additional data in the response when creating a new resource. If you only need to create the resource without any additional data, the “Create” action is sufficient. However, if you need to provide additional information about the newly created resource, the “CreateDataAction” action should be used.

By understanding the differences between these two actions and considering the specific requirements of your application, you can make an informed decision on which action to use in your ASP.NET web API.

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