Web Services

You can try the steps below:
1) Create a new ASP.NET project in Visual Studio.
2) Add a new Web API Controller to your project by right-clicking on the Controllers folder and selecting "Add -> Controller".
3) In the "Add Scaffold" dialog, select "API Controller - Empty" and click "Add".
4) In the new controller file, add the following code to implement the GET method:

[HttpGet]
public IHttpActionResult Get()
{
    // Code to retrieve data from database or other source
    var data = new List { "value1", "value2", "value3" };

    return Ok(data);
}

This code retrieves data from a data source and returns it as a list of strings in the HTTP response body.

5) To implement the POST method, add the following code to the controller:

[HttpPost]
public IHttpActionResult Post([FromBody] string value)
{
    // Code to save the data to the database or other data source
    var newValue = value + " (new)";

    return Created(Request.RequestUri + "/" + newValue, newValue);
}

This code takes a string value from the HTTP request body and saves it to a data source. It then returns a "201 Created" response with the new value in the Location header.

6) Build and run the project in Visual Studio.
7) To test the GET method, open Postman and create a new request. Set the request method to GET and enter the URL of your API endpoint. Send the request and you should receive a response with the data returned by the GET method.
8) To test the POST method, create a new request in Postman and set the request method to POST. Enter the URL of your API endpoint and set the body of the request to a string value. Send the request and you should receive a "201 Created" response with the new value in the Location header.

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Tuhin Paul3y ago
You can try the steps below:
1) Create a new ASP.NET project in Visual Studio.
2) Add a new Web API Controller to your project by right-clicking on the Controllers folder and selecting "Add -> Controller".
3) In the "Add Scaffold" dialog, select "API Controller - Empty" and click "Add".
4) In the new controller file, add the following code to implement the GET method:
```
[HttpGet]
public IHttpActionResult Get()
{
    // Code to retrieve data from database or other source
    var data = new List { "value1", "value2", "value3" };

    return Ok(data);
}
```
This code retrieves data from a data source and returns it as a list of strings in the HTTP response body.

5) To implement the POST method, add the following code to the controller:
```
[HttpPost]
public IHttpActionResult Post([FromBody] string value)
{
    // Code to save the data to the database or other data source
    var newValue = value + " (new)";

    return Created(Request.RequestUri + "/" + newValue, newValue);
}
```
This code takes a string value from the HTTP request body and saves it to a data source. It then returns a "201 Created" response with the new value in the Location header.

6) Build and run the project in Visual Studio.
7) To test the GET method, open Postman and create a new request. Set the request method to GET and enter the URL of your API endpoint. Send the request and you should receive a response with the data returned by the GET method.
8) To test the POST method, create a new request in Postman and set the request method to POST. Enter the URL of your API endpoint and set the body of the request to a string value. Send the request and you should receive a "201 Created" response with the new value in the Location header.
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Naimish Makwana3y ago
Hello Tarun,

Please use below link:

To build Restful Service:

https://learn.microsoft.com/en-us/aspnet/web-api/overview/older-versions/build-restful-apis-with-aspnet-web-api

https://dzone.com/articles/step-by-step-how-to-develop-a-restful-web-service

To Test using Postman

https://dotnettutorials.net/lesson/how-to-use-postman-to-test-web-api/

https://www.c-sharpcorner.com/article/how-to-test-api-web-service-in-asp-net-core-5-using-postman/

Thanks

Naimish Makwana

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