HomeAppliance_dealer/kursach_2.0/Windows/product_insert.xaml.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Shapes;

namespace kursach_2._0.Windows
{
    /// <summary>
    /// Логика взаимодействия для product_insert.xaml
    /// </summary>
    public partial class product_insert : Window
    {
        private dealerContext _context;
        public product_insert()
        {
            InitializeComponent();
            _context = new dealerContext();

            DP_production_date.SelectedDate = DateTime.Today;
        }

        private void ButtonOK_Click(object sender, RoutedEventArgs e)
        {
            InsertProduct(TB_id_distributor.Text, TB_product_name.Text, TB_product_type.Text, (DateTime)DP_production_date.SelectedDate,
                TB_warranty.Text, TB_wholesale_price.Text, TB_retail_price.Text);
            
            // обновить то бишь Load
        }
        public bool InsertProduct(string id_distributor, string product_name, string product_type, 
            DateTime production_date, string warranty, string wholesale_price, string retail_price)
        {
            if (string.IsNullOrWhiteSpace(product_name) || string.IsNullOrWhiteSpace(product_type) || (string.IsNullOrWhiteSpace(warranty)))
                return false;

            products products = new products()
            {
                id_distributor = int.Parse(id_distributor),
                product_name = product_name,
                product_type = product_type,
                production_date = production_date,
                warranty = warranty,
                wholesale_price = int.Parse(wholesale_price),
                retail_price = int.Parse(retail_price)
            };

            _context.products.Add(products);
            _context.SaveChanges();
            
            return true;
        }
    }
}