getwidgets.cs

[FunctionName("GetWidget")]
public async Task<IActionResult> GetWidget([HttpTrigger(AuthorizationLevel.Anonymous, "get", Route = "/widgets/{id}")] HttpRequest req, int id, ILogger log)
{
    log.LogInformation($"getting widget: ${id}");
    try
    {
        var selectedItem = await _dbContext.Widgets.FindAsync(id);
        return new ObjectResult(selectedItem);
    }
    catch (Exception e)
    {
        return new CustomObjectResult(e.Message, StatusCodes.Status500InternalServerError);
    }
}

class CustomObjectResult : ObjectResult
{
    public CustomObjectResult(object data, int statusCode) : base(data)
    {
        this.StatusCode = statusCode;
    }
}