private void btnSave_Click(object sender, EventArgs e)
        {
            CategoryBO bo = new CategoryBO();

            if (Mode == FormMode.Add)
            {
                Category cat = new Category();
                cat.CategoryName = txtCatName.Text;
                cat.Description  = txtDescription.Text;
                cat.Picture      = openFileDialog1.FileName;
                if (bo.Insert(cat))
                {
                    MessageBox.Show("Success");
                }
                else
                {
                    MessageBox.Show("Error");
                }
            }
            else
            {
                SelectedCategory.CategoryName = txtCatName.Text;
                SelectedCategory.Description  = txtDescription.Text;
                SelectedCategory.Picture      = openFileDialog1.FileName;
                if (bo.Update(SelectedCategory))
                {
                    MessageBox.Show("Successfully updated");
                }
                else
                {
                    MessageBox.Show("There is an error during update operation");
                }
            }
        }
        public IActionResult Put(int id, Category category)
        {
            CategoryBO   categoryBO;
            ObjectResult response;

            try
            {
                _log.LogInformation($"Starting Put( {id}, '{JsonConvert.SerializeObject(category, Formatting.None)}')");

                categoryBO = new CategoryBO(_loggerFactory, _config);

                category.ID = id;
                category    = categoryBO.Update(category);

                response = Ok(category);

                _log.LogInformation($"Finishing Put( {id} )");
            }
            catch (Exception ex)
            {
                _log.LogError(ex.Message);
                response = StatusCode(500, ex.Message);
            }

            return(response);
        }