[Solved] C# WebAPI return JSON data

by


This is an example how to return json response from webapi controller 

public class UserController : ApiController
{
    /// <summary>
    /// Get all Persons
    /// </summary>
    /// <returns></returns>     
    [HttpGet]
    // GET: api/User/GetAll
    [Route("api/User/GetAll")]
    public IHttpActionResult GetData()
    {
        return Ok(PersonDataAccess.Data);
    }

    /// <summary>
    /// Get Person By ID
    /// </summary>
    /// <param name="id">Person id </param>
    /// <returns></returns>
    // GET: api/User/GetByID/5
    [Route("api/User/GetByID/{id}")]
    public IHttpActionResult GetById(int id)
    {
        PersonDataAccess person = PersonDataAccess.Data.FirstOrDefault(p => p.Id = id);
        if (person != null)
        {
            return Ok(person);
        }
        else
        {
            return NotFound();
        }
    }
}

Check this from more information about response types

12

solved C# WebAPI return JSON data