Text="{Binding Path=CategoryID}">
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;
}
}
}
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 DataBindingExam
{
///
/// Interaction logic for MainWindow.xaml
///
public partial class MainWindow : Window
{
public MainWindow()
{
InitializeComponent();
}
private void btnQuery_Click_1(object sender, RoutedEventArgs e)
{
int id = Convert.ToInt32(txtID.Text);
Product p = StoreDB.GetProductByID(id);
grid.DataContext = p;
}
private void btnUpdate_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
};
int productID = Convert.ToInt32(txtID.Text);
StoreDB.UpdateProductByID(productID, p);
}
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);
}
private void btnDelete_Click_1(object sender, RoutedEventArgs e)
{
int productID = Convert.ToInt32(txtID.Text);
StoreDB.DeleteProductByID(productID);
}
}
}
using System;
using System.Collections.Generic;
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();
}
}
}
}
USE [store]
GO
/****** Object: StoredProcedure [dbo].[InsertProduct] Script Date: 2018/3/29 14:36:46 ******/
SET ANSI_NULLS ON
GO
SET QUOTED_IDENTIFIER ON
GO
-- =============================================
-- Author:
-- Create date:
-- Description:
-- =============================================
ALTER PROCEDURE [dbo].[InsertProduct]
-- Add the parameters for the stored procedure here
(
@CategoryID int,
@ModelNumber varchar(50),
@ModelName varchar(50),
@ProductImage varchar(50),
@UnitCost money,
@Description nvarchar(3800)
)
AS
BEGIN
-- SET NOCOUNT ON added to prevent extra result sets from
-- interfering with SELECT statements.
SET NOCOUNT ON;
-- Insert statements for procedure here
insert into Products(CategoryID,ModelNumber,ModelName,ProductImage,UnitCost,Description)
values(@CategoryID,@ModelNumber,@ModelName,@ProductImage,@UnitCost,@Description);
END
USE [store]
GO
/****** Object: StoredProcedure [dbo].[DeleteProductByID] Script Date: 2018/3/29 14:37:31 ******/
SET ANSI_NULLS ON
GO
SET QUOTED_IDENTIFIER ON
GO
-- =============================================
-- Author:
-- Create date:
-- Description:
-- =============================================
ALTER PROCEDURE [dbo].[DeleteProductByID]
(
@ProductID int
)
AS
BEGIN
-- SET NOCOUNT ON added to prevent extra result sets from
-- interfering with SELECT statements.
SET NOCOUNT ON;
delete from Products where ProductID=@ProductID;
END
USE [store]
GO
/****** Object: StoredProcedure [dbo].[UpdateProductByID] Script Date: 2018/3/29 14:38:08 ******/
SET ANSI_NULLS ON
GO
SET QUOTED_IDENTIFIER ON
GO
-- =============================================
-- Author:
-- Create date:
-- Description:
-- =============================================
ALTER PROCEDURE [dbo].[UpdateProductByID]
(
@ProductID int,
@CategoryID int,
@ModelNumber varchar(50),
@ModelName varchar(50),
@ProductImage varchar(50),
@UnitCost money,
@Description nvarchar(3800)
)
AS
BEGIN
-- SET NOCOUNT ON added to prevent extra result sets from
-- interfering with SELECT statements.
SET NOCOUNT ON;
-- Insert statements for procedure here
update Products set CategoryID=@CategoryID,ModelNumber=@ModelNumber,ModelName=@ModelName,
ProductImage=@ProductImage,UnitCost=@UnitCost,Description=@Description where ProductID=@ProductID;
END