UIFIS/OUP/Qwerty.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 OUP
{
    public partial class Qwerty : Window
    {
       
            private Context _context;
            public Qwerty()
            {
                InitializeComponent();
                _context = new Context();
                Load();
            }
            private void Load()
            {
                ProductsGrid.ItemsSource = _context.products.ToList();
            }
            private void BtnInsert_Click(object sender, RoutedEventArgs e)
            {
                if (!decimal.TryParse(TbPrice.Text, out decimal price))
                {
                    return;
                }
                Product2 product = new Product2()
                {
                    Name = TbProduct.Text,
                    Price = price,
                    Supplier = TbSupplier.Text,
                    Dates = TbDate.Text,

                };
             //   _context.products.Add(product);
                _context.SaveChanges();
                Load();
            }
            private void BtnUpdate_Click(object sender, RoutedEventArgs e)
            {
                if (ProductsGrid.SelectedItem is Product2 selectedProduct2)
                {
                    if (!decimal.TryParse(TbPrice.Text, out decimal price))
                    {
                        return;
                    }
                selectedProduct2.Name = TbProduct.Text;
                selectedProduct2.Price = price;
                selectedProduct2.Supplier = TbSupplier.Text;
                selectedProduct2.Dates = TbDate.Text;
                    _context.SaveChanges();
                    Load();
                }

            }
            private void BtnDelete_Click(object sender, RoutedEventArgs e)
            {
                if (ProductsGrid.SelectedItem is Product2 selectedproducts)
                {
                    //_context.products.Remove(selectedproducts);
                    _context.SaveChanges();
                    Load();
                }

            }
            private void BooksGrid_SelectionChanged(object sender, SelectionChangedEventArgs e)
            {
                if (ProductsGrid.SelectedItem is Product2 selectedproducts)
                {
                    TbProduct.Text = selectedproducts.Name;
                    TbPrice.Text = selectedproducts.Price.ToString();
                    TbSupplier.Text = selectedproducts.Supplier;
                    TbDate.Text = selectedproducts.Dates;
                }

            }

        
    }
}