public JsonResult GetUserData(int userId) { var user = _userService.GetUserById(userId); return Json(user, JsonRequestBehavior.AllowGet); }
public JsonResult AddNewUser(UserModel userModel) { _userService.AddUser(userModel); var message = "User added successfully."; return Json(new { success = true, message = message }); }In this example, the AddNewUser method is used to add a new user using the _userService.AddUser method. After successfully adding the user, a JsonResult object is returned with a success message. The JSON object is constructed using anonymous types. The System.Web.Mvc namespace is the package library that contains the JsonResult class and other classes related to ASP.NET MVC.