WPF绑定到linq表达式

using ClassLibrary;
using System;
using System.Collections.Generic;
using System.Collections.ObjectModel;
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.Navigation;
using System.Windows.Shapes;

namespace CollectionBinding
{
/// <summary>
/// Interaction logic for MainWindow.xaml
/// </summary>
public partial class MainWindow : Window
{
public MainWindow()
{
InitializeComponent();
}

public ObservableCollection<Product> products;
public IEnumerable<Product> matches;

private void btnGetProducts_Click_1(object sender, RoutedEventArgs e)
{
decimal min = Convert.ToDecimal(txtMinUniCost.Text);
products = StoreDB.GetProducts();
matches = from p in products where p.UnitCost > min select p;
lstProducts.ItemsSource = matches;
lstProducts.DisplayMemberPath = "ModelName";
}

private void btnDelete_Click_1(object sender, RoutedEventArgs e)
{
Product p = (Product)lstProducts.SelectedItem;
products.Remove(p);
StoreDB.DeleteProductByID(p.ProductID);
}

private void btnInsert_Click_1(object sender, RoutedEventArgs e)
{
int categoryID = Convert.ToInt32(txtCategoryID.Text);
decimal unitCost = Convert.ToDecimal(txtUnitCost.Text);

Product p = new Product() { CategoryID = categoryID, ModelNumber = txtModelNumber.Text, ModelName = txtModelName.Text, ProductImage = txtProductImage.Text, UnitCost = unitCost, Description = txtDescription.Text };
StoreDB.InsertProduct(p);
products.Add(p);
}

}
}

巴特西

WPF绑定到linq表达式

最新文章

热门文章