Asynchronous Api NET6

CountryRepository.cs

public async Task<IQueryable<object>> GetCountry()
{
  MSSQLDataAccess helper = new MSSQLDataAccess(_options);
  
  List<SqlParam> tParams = new List<SqlParam>();
  tParams.Add(new SqlParam { ParamType = DataTypeConstant.STR, ParamValue = "" });

  string strSQL = helper.BuildQueryString(TSqlHelper.spName("STOREDPROCEDURE"), tParams);
  IQueryable<object> result = helper.Read(strSQL);
  return await Task.FromResult(result);
}

ICountryService.cs

public interface ICountryService
{
  public Task<IQueryable<object>> GetCountry();
  public Task<IQueryable<object>> GetCountryByName(string name);
  public void Save(Basic_Master_Area_Country_Update data, string userId);
}

YourController.cs

public async Task<IActionResult> GetCountry_List([FromQuery] Country_Get_Request country)
{
  ResponseModels tResponse;
  try
  {
    IQueryable<object> result;

    if (CommonHelper.StringIsEmpty(country.name))
    {
      result = await _countryService.GetCountry();
    }
    else
    {
      result = await _countryService.GetCountryByName(country.name);
    }

    tResponse = _responseService.GenerateResponseMessage(RestStatus.OK.ToString(), result);

  }
  catch (SqlException ex)
  {
    tResponse = _responseService.GenerateResponseMessage(RestStatus.InternalServerError.ToString(), CommonHelper.GetGeneralException(ex));
  }
  catch (Exception ex)
  {
    tResponse = _responseService.GenerateResponseMessage(RestStatus.InternalServerError.ToString(), CommonHelper.GetGeneralException(ex));
  }
  return Ok(tResponse);
}