Hello guys, welcome to the 18th session of the ASP. NET Web API tutorial. In this lesson we will learn about the ITP x and result interface. The first was an off will be a provide a way to return the custom HTTP response message object. A new interface name is should be excellent reserved, which is a similar to the excellent result in the ASP. NET MVC, which can be used to return the type of VBA controller acts and the advantages of the HTTP action result over the HTTP response message is that core become more cleaner and readable as well as become easy to taste and does not require to specify the status individually.

Let's see with the example. First of all, I'm going to comment the accent using which we are returning the employee name from the ID and creating the new method which we've written the ITP excellent result and which name will be get employ and take the integer ID as a parameter Let's read through the our employee object from the all employee dot first or default employees such as dat e.id equal equal the ID India parameter. If an employee quick or no then we need to return not found as We need to return. Okay. With to our employee object. Let's run it.

Let's switch to the a postman plugging and read through the employee with the ID one. You can see that it's written the employee object with the status okay? Let's try to retrieve the employee with the ID 10, which were written the year 400 not form status. If you want to generate the method, then you need to use the content instead of the not found content and the HTTP status normally found and the message Employee not found let's run it let's switch to postman and send again you can see there to treat on the 404 shaders with the Msh if you will notice that the content were written the negotiation content result and do okay mentor with written the okay negotiation content result. However return type of the our action is the HTTP action result. However, this is still valid because the bottle Plaza inherit from the HTTP excellent result.

Let's see it. Right click on the animator and click on the go to definition. You can see that the those all matters Specify in the API controller class content method will return the negotiation content result. Let's open the definition of that class. And see that these classes inherit from that given interface that is it DB x and result the same will be applied to the all of the methods such as the okay contain not found international server error and the other EPA controller class provides various sections and methods for returning the instance of class that action from the IEA TDP x and result okay meta with written the 200 status were created redirect internet as our battery request unauthorized not found and the conflict will represent that respect to Status I am using the okay and the North phone. You can also try the all of the method and here is the overall example in which we are returning the Aiya TTP action result instead of the TTP response messages for returning the delivery status, okay then we just need to write the okay and this specify the URL or object or within the parameter.

For not found, we just need to write the return and the not found method name and call to eat. for returning the content, we need to write the written content to within the within the parameter we need to specify the HTTP status code and the message or the data that we want to return. Thanks for watching. Have a nice day.