WPF DataGrid 的RowDetailsTemplate的使用
<Window x:Class="DataGridExam.DataGridRowDetailsExam"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
Title="DataGridRowDetailsExam" Height="300" Width="300">
<Grid>
<DataGrid Name="gridProducts" Margin="5" AutoGenerateColumns="False" RowDetailsVisibilityMode="VisibleWhenSelected">
<DataGrid.RowDetailsTemplate>
<DataTemplate>
<Border Margin="10" Padding="10" BorderBrush="SteelBlue" BorderThickness="3"
CornerRadius="5">
<TextBlock Text="{Binding Path=Description}" TextWrapping="Wrap"
FontSize="13" MaxWidth="300" TextAlignment="Left"></TextBlock>
</Border>
</DataTemplate>
</DataGrid.RowDetailsTemplate>
<DataGrid.Columns>
<DataGridTextColumn Header="Product" Width="175" Binding="{Binding Path=ModelName}"></DataGridTextColumn>
<DataGridTextColumn Header="Price" Binding="{Binding Path=UnitCost,StringFormat={}{0:C}}"></DataGridTextColumn>
<DataGridTextColumn Header="ModelNumber" Binding="{Binding Path=ModelNumber}"></DataGridTextColumn>
</DataGrid.Columns>
</DataGrid>
</Grid>
</Window>
using ClassLibrary;
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.Navigation;
using System.Windows.Shapes;
namespace DataGridExam
{
/// <summary>
/// Interaction logic for MainWindow.xaml
/// </summary>
public partial class MainWindow : Window
{
public MainWindow()
{
InitializeComponent();
gridProducts.ItemsSource = StoreDB.GetProducts();
}
private void gridProducts_LoadingRow_1(object sender, DataGridRowEventArgs e)
{
Product p = (Product)e.Row.DataContext;
if (p.UnitCost >= 10)
{
e.Row.Background = new SolidColorBrush(Colors.Orange);
}
else
{
e.Row.Background = new SolidColorBrush(Colors.White);
}
}
}
}
using System;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.Data;
using System.Data.SqlClient;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace ClassLibrary
{
public class StoreDB
{
public static string connString = Properties.Settings.Default.ConnectionString;
public static Product GetProductByID(int id)
{
Product p = null;
SqlConnection con = new SqlConnection(connString);
SqlCommand cmd = new SqlCommand("GetProductByID", con);
cmd.CommandType = System.Data.CommandType.StoredProcedure;
cmd.Parameters.AddWithValue("@ProductID", id);
try
{
con.Open();
SqlDataReader reader = cmd.ExecuteReader();
while (reader.Read())
{
p = new Product()
{
CategoryID = (int)reader[1],
ModelNumber = reader[2].ToString(),
ModelName = reader[3].ToString(),
ProductImage=reader[4].ToString(),
UnitCost = (decimal)reader[5],
Description = reader[6].ToString()
};
}
return p;
}
catch (Exception)
{
throw;
}
finally
{
con.Close();
}
}
public static void UpdateProductByID(int ProductID,Product p)
{
SqlConnection con = new SqlConnection(connString);
SqlCommand cmd = new SqlCommand("UpdateProductByID", con);
cmd.CommandType = System.Data.CommandType.StoredProcedure;
cmd.Parameters.AddWithValue("@ProductID",ProductID);
cmd.Parameters.AddWithValue("@CategoryID",p.CategoryID);
cmd.Parameters.AddWithValue("@ModelNumber",p.ModelNumber);
cmd.Parameters.AddWithValue("@ModelName",p.ModelName);
cmd.Parameters.AddWithValue("@ProductImage",p.ProductImage);
cmd.Parameters.AddWithValue("@UnitCost",p.UnitCost);
cmd.Parameters.AddWithValue("@Description",p.Description);
try
{
con.Open();
cmd.ExecuteNonQuery();
}
catch (Exception)
{
throw;
}
finally
{
con.Close();
}
}
public static void InsertProduct(Product p)
{
SqlConnection con = new SqlConnection(connString);
SqlCommand cmd = new SqlCommand("InsertProduct", con);
cmd.CommandType = System.Data.CommandType.StoredProcedure;
cmd.Parameters.AddWithValue("@CategoryID", p.CategoryID);
cmd.Parameters.AddWithValue("@ModelNumber", p.ModelNumber);
cmd.Parameters.AddWithValue("@ModelName", p.ModelName);
cmd.Parameters.AddWithValue("@ProductImage", p.ProductImage);
cmd.Parameters.AddWithValue("@UnitCost", p.UnitCost);
cmd.Parameters.AddWithValue("@Description", p.Description);
try
{
con.Open();
cmd.ExecuteNonQuery();
}
catch (Exception)
{
throw;
}
finally
{
con.Close();
}
}
public static void DeleteProductByID(int id)
{
SqlConnection con = new SqlConnection(connString);
SqlCommand cmd = new SqlCommand("DeleteProductByID", con);
cmd.CommandType = System.Data.CommandType.StoredProcedure;
cmd.Parameters.AddWithValue("@ProductID", id);
try
{
con.Open();
cmd.ExecuteNonQuery();
}
catch (Exception)
{
throw;
}
finally
{
con.Close();
}
}
public static ObservableCollection<Product> GetProducts()
{
ObservableCollection<Product> products = new ObservableCollection<Product>();
SqlConnection con = new SqlConnection(connString);
SqlCommand cmd = new SqlCommand("GetProducts", con);
cmd.CommandType = System.Data.CommandType.StoredProcedure;
try
{
con.Open();
SqlDataReader reader = cmd.ExecuteReader();
while (reader.Read())
{
products.Add(new Product()
{
ProductID = (int)reader[0],
CategoryID = (int)reader[1],
ModelNumber = reader[2].ToString(),
ModelName = reader[3].ToString(),
ProductImage = reader[4].ToString(),
UnitCost = (decimal)reader[5],
Description = reader[6].ToString()
});
}
return products;
}
catch (Exception)
{
throw;
}
finally
{
con.Close();
}
}
public static DataSet GetProductsAndCategories()
{
SqlConnection con = new SqlConnection(connString);
SqlCommand cmd = new SqlCommand("GetProducts", con);
cmd.CommandType = System.Data.CommandType.StoredProcedure;
DataSet ds = new DataSet();
SqlDataAdapter adatper = new SqlDataAdapter(cmd);
adatper.Fill(ds, "Products");
cmd.CommandText = "GetCategories";
adatper.Fill(ds, "Categories");
DataRelation rel = new DataRelation("CategoryProduct", ds.Tables["Categories"].Columns["CategoryID"], ds.Tables["Products"].Columns["CategoryID"]);
return ds;
}
}
}
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace ClassLibrary
{
public class Product
{
public int ProductID { get; set; }
public int CategoryID { get; set; }
public string ModelNumber { get; set; }
public string ModelName { get; set; }
public string ProductImage { get; set; }
public decimal UnitCost { get; set; }
public string Description { get; set; }
public Product(int CategoryID = 0, string ModelNumber = "",
string ModelName = "", string ProductImage = "", decimal UnitCost=0,string Description="")
{
this.CategoryID = CategoryID;
this.ModelNumber = ModelNumber;
this.ModelName = ModelName;
this.ProductImage = ProductImage;
this.UnitCost = UnitCost;
this.Description = Description;
}
}
}
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