private async void ExecuteLoadUserCommand()
{
//var _users = new List<User>
//{
// new User{ FirstName = "Narendra", LastName = "Nalluri"},
// new User{ FirstName = "Pratap", LastName = "Pesaru"},
// new User{ FirstName = "Mani"}
//};
var _users = await _userService.GetUserList();
Users.Clear();
foreach (var user in _users)
{
Users.Add(user);
}
}