protected void Page_Load(object sender, EventArgs e)
{
//加载页面时
if (!IsPostBack)
{
//如果是第一次加载
String userName = ((Site1)Page.Master).CurrentUserName;
if (userName.Equals(""))
return;
using (ToyStoreEntities context = new ToyStoreEntities())
{
//查询出该用户的所有购物车明细
var query = from cartDetail in context.CartDetails
where cartDetail.Cart.UserName == userName
select new
{
Name = cartDetail.Product.Name,
UnitPrice = cartDetail.Product.Price,
Quantity = cartDetail.OTY,
Subtotal = cartDetail.Product.Price * cartDetail.OTY
};
//GridView1的数据源为查询结果
GridView1.DataSource = query;
//绑定数据源
GridView1.DataBind();
decimal totalPrice = 0;
foreach (var a in query)
{
totalPrice += a.Subtotal;
}
Label1.Text = ((Site1)Page.Master).PriceFormater(totalPrice);
}
}
}
protected void Page_Load(object sender, EventArgs e)
{
//加载页面时
if (!IsPostBack)
{
//如果是第一次加载
String userName = ((Site1)Page.Master).CurrentUserName;
if (userName.Equals(""))
return;
using (ToyStoreEntities context = new ToyStoreEntities())
{
//查询出该用户的所有订单
var query = from orderInfo in context.Orders
select new
{
Id = orderInfo.Id,
UserName = orderInfo.UserName,
OrderTime = orderInfo.CreateTime,
Total = (from orderDetail in orderInfo.OrderDetails
select orderDetail.UnitPrice * orderDetail.Qty).Sum()
};
if (((Site1)Page.Master).CurrentUserType == UserType.RegUser)
{
query = query.Where(orderInfo => orderInfo.UserName.Equals(userName));
}
//GridView1的数据源为查询结果
GridView1.DataSource = query;
//绑定数据源
GridView1.DataBind();
}
}
}
protected void Button1_Click(object sender, EventArgs e)
{
using (ToyStoreEntities context = new ToyStoreEntities())
{
Product product = new Product();
product.Name = TextBox1.Text.Trim();
product.Price = Convert.ToDecimal(TextBox2.Text.Trim());
product.MarketPrice = Convert.ToDecimal(TextBox3.Text.Trim());
product.StockQty = Convert.ToInt32(TextBox4.Text.Trim());
product.Description = TextBox5.Text;
product.ProductTypeId = Convert.ToInt32(DropDownList1.SelectedValue);
product.BrandId = Convert.ToInt32(DropDownList2.SelectedValue);
product.MaterialId = Convert.ToInt32(DropDownList3.SelectedValue);
product.SuitableAgeId = Convert.ToInt32(DropDownList4.SelectedValue);
if (FileUpload1.HasFile)
{
product.PicFileName = FileUpload1.FileName;
//将文件上传到Upload目录下
FileUpload1.SaveAs(Server.MapPath(".\\Pic\\" + product.PicFileName));
}
context.AddToProducts(product);
context.SaveChanges();
Response.Redirect("~/ViewProduct.aspx?id=" + product.Id);
}
}
protected void ButtonConfirm_Click(object sender, EventArgs e)
{
//删除所有购物车明细，创建订单，创建订单明细。
//一个字符串对象，保存用户名
String userName = ((Site1)Page.Master).CurrentUserName;
if (userName.Equals(""))
return;
if(TextBox1.Text.Trim().Length == 0
|| TextBox2.Text.Trim().Length == 0
|| TextBox3.Text.Trim().Length == 0
|| TextBox4.Text.Trim().Length == 0)
{
Response.Write("<script>alert('请输入所有资料');</script>");
}
String ReciverName = TextBox1.Text.Trim();
String Address = TextBox2.Text.Trim();
String Phone = TextBox3.Text.Trim();
String PostCode = TextBox4.Text.Trim();
using (ToyStoreEntities context = new ToyStoreEntities())
{
Order myOrder = new Order();
myOrder.ReciverName = ReciverName;
myOrder.Address = Address;
myOrder.Phone = Phone;
myOrder.PostCode = PostCode;
myOrder.CreateTime = DateTime.Now;
myOrder.PayTime = DateTime.Now;
myOrder.UserName = ((Site1)Page.Master).CurrentUserName;
context.AddToOrders(myOrder);
context.SaveChanges();
var cartDetails = from p in context.CartDetails
where p.Cart.UserName == ((Site1)Page.Master).CurrentUserName
select p;
foreach (CartDetail cartDetail in cartDetails)
{
OrderDetail orderDetail = new OrderDetail()
{
OrderId = myOrder.Id,
ProductId = cartDetail.ProductId,
Qty = cartDetail.OTY,
UnitPrice = cartDetail.Product.Price
};
myOrder.OrderDetails.Add(orderDetail);
context.CartDetails.DeleteObject(cartDetail);
orderDetail.Product.StockQty -= cartDetail.OTY;
}
context.SaveChanges();
//新建一个OrderInfo类，即创建一个订单
Response.Redirect(String.Format("~/ViewOrderDetail.aspx?ID={0}", myOrder.Id));
}
}
protected void Button2_Click(object sender, EventArgs e)
{
using (ToyStoreEntities context = new ToyStoreEntities())
{
//查询出该订单
var order = (from orderInfo in context.Orders
where orderInfo.Id == CurrentOrder.Id
select orderInfo).FirstOrDefault();
order.ReciveTime = DateTime.Now;
context.SaveChanges();
Response.Redirect(Request.Url.ToString());
}
}
protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
{
using (ToyStoreEntities context = new ToyStoreEntities())
{
var q1 = from p in context.ProductTypes
select new
{
ID = p.Id,
Name = p.Name
};
DropDownList1.DataValueField = "ID";
DropDownList1.DataTextField = "Name";
DropDownList1.DataSource = q1;
DropDownList1.DataBind();
var q2 = from p in context.Brands
select new
{
ID = p.Id,
Name = p.Name
};
DropDownList2.DataValueField = "ID";
DropDownList2.DataTextField = "Name";
DropDownList2.DataSource = q2;
DropDownList2.DataBind();
var q3 = from p in context.Materials
select new
{
ID = p.Id,
Name = p.Name
};
DropDownList3.DataValueField = "ID";
DropDownList3.DataTextField = "Name";
DropDownList3.DataSource = q3;
DropDownList3.DataBind();
var q4 = from p in context.Ages
select new
{
ID = p.Id,
Name = p.Name
};
DropDownList4.DataValueField = "ID";
DropDownList4.DataTextField = "Name";
DropDownList4.DataSource = q4;
DropDownList4.DataBind();
}
}
}
protected void Button1_Click(object sender, EventArgs e)
{
if (TextBox1.Text.Length == 0
|| TextBox2.Text.Length == 0
|| TextBox3.Text.Length == 0
|| TextBox4.Text.Length == 0
|| TextBox2.Text != TextBox3.Text)
{
Response.Write("<script> alert( '注册失败') </script> ");
return;
}
else
{
//检查用户名是否存在
using (ToyStoreEntities context = new ToyStoreEntities())
{
var query = from userInfo in context.Users
where userInfo.UserName == TextBox1.Text
select userInfo;
if (query.Count() != 0)
{
Response.Write("<script> alert( '注册失败') </script> ");
return;
}
else
{
User newUser = new User();
newUser.UserName = TextBox1.Text;
newUser.Password = TextBox2.Text;
newUser.PhoneNumber = TextBox3.Text;
if (Request.QueryString["Admin"] == "1")
{
newUser.IsAdmin = UserType.Admin;
}
else
{
newUser.IsAdmin = UserType.RegUser;
}
context.AddToUsers(newUser);
context.SaveChanges();
Response.Write("<script> alert( '注册成功');window.location.href = 'Default.aspx';</script>");
}
}
}
}
protected void AddToCartButton_Click(object sender, EventArgs e)
{
using (ToyStoreEntities context = new ToyStoreEntities())
{
String CurrentUserName = ((Site1)Page.Master).CurrentUserName;
Cart myCart;
//找到该用户的购物车
var query = from p in context.Carts
where p.UserName == CurrentUserName
select p;
if (query.Count() == 0)
{
myCart = new Cart();
myCart.UserName = CurrentUserName;
context.AddToCarts(myCart);
}
else
{
myCart = query.First();
}
//查找是否已有该购物车明细
var query1 = from p in myCart.CartDetails
where p.Product.Id == CurrentProduct.Id
select p;
CartDetail myCartDetail;
if (query1.Count() == 0)
{
//如果没有，新增
myCartDetail = new CartDetail();
myCartDetail.Cart = myCart;
myCartDetail.ProductId = CurrentProduct.Id;
myCartDetail.OTY = 1;
}
else
{
//如果有，修改数量
myCartDetail = query1.First();
myCartDetail.OTY += 1;
}
context.SaveChanges();
}
}
protected void ButtonLogin_Click(object sender, EventArgs e)
{
//登陆按钮按下时
//获取用户名和密码
string userName = TextBoxUserName.Text.Trim();
string password = TextBoxPassword.Text.Trim();
using (ToyStoreEntities context = new ToyStoreEntities())
{
//按照用户名和密码查找用户信息
IQueryable<User> userQuery = from user in context.Users
where user.UserName == userName &&
user.Password == password
select user;
if (userQuery.Count() > 0)
{
//如果能找到该用户
//写入当前用户名和类型
CurrentUserName = userName;
CurrentUserType = (userQuery.First().IsAdmin);
}
else
{
return;
}
if (CurrentUserType == UserType.RegUser)
{
//如果当前用户是注册用户
//网页上方切换到注册用户页面
HeadMultiView.SetActiveView(RegUserView);
WelcomeUser.Text = "欢迎您，" + CurrentUserName;
}
else
{
//否则,当前用户是管理员
//切换到管理员页面
HeadMultiView.SetActiveView(AdminView);
WelcomeAdmin.Text = "欢迎您，" + CurrentUserName;
}
}
}
protected void ResetQuantity()
{
String userName = ((Site1)Page.Master).CurrentUserName;
if (userName.Equals(""))
return;
using (ToyStoreEntities context = new ToyStoreEntities())
{
//对于表格中的每一行
foreach (GridViewRow row in GridView1.Rows)
{
//获取表格中填的数量
int quantity = Convert.ToInt32(((TextBox)row.FindControl("QuantityTextbox")).Text);
//获取软件名称
string softwareName = row.Cells[0].Text;
//找到该购物车明细
var query = from cartDetail in context.CartDetails
where cartDetail.Product.Name == softwareName
&& cartDetail.Cart.User.UserName == userName
select cartDetail;
if (quantity < 0)
{
//如果数量小于0，删除该购物车明细
context.CartDetails.DeleteObject(query.FirstOrDefault());
}
else
{
//修改数量
query.FirstOrDefault().OTY = quantity;
}
}
//保存数据库
context.SaveChanges();
}
}
protected void DeleteButton_Click(object sender, EventArgs e)
{
using (ToyStoreEntities context = new ToyStoreEntities())
{
var query = from p in context.Products
where p.Id == CurrentProduct.Id
select p;
context.Products.DeleteObject(query.FirstOrDefault());
context.SaveChanges();
}
Response.Redirect("~");
}
protected void Page_Load(object sender, EventArgs e)
{
//检查当前用户类型是否为注册用户
if (((Site1)Page.Master).CurrentUserType == UserType.RegUser)
{
//如果是
//隐藏编辑按钮
ModifyButton.Visible = false;
//隐藏删除按钮
DeleteButton.Visible = false;
}
else if (((Site1)Page.Master).CurrentUserType == UserType.Admin)
{
//否则，显示"添加到购物车"按钮
AddToCartButton.Visible = false;
}
else
{
//隐藏编辑按钮
ModifyButton.Visible = false;
//隐藏删除按钮
DeleteButton.Visible = false;
AddToCartButton.Visible = false;
}
if (!IsPostBack)
{
using (ToyStoreEntities context = new ToyStoreEntities())
{
//获取该商品的信息
var query = from product in context.Products
where product.Id == ProductId
select product;
//如果找不到该软件
if (query.Count() == 0)
{
//显示"找不到"
Table1.Visible = false;
MessageLabel.Visible = true;
MessageLabel.Text = "找不到这个玩具";
}
else
{
//否则
//当前商品为查询结果的第一个
CurrentProduct = query.First();
//显示商品的信息
Image1.ImageUrl = "~/Pic/" + CurrentProduct.PicFileName;
NameLabel.Text = CurrentProduct.Name;
PriceLabel.Text = ((Site1)Page.Master).PriceFormater(CurrentProduct.Price);
MarketPriceLabel.Text = ((Site1)Page.Master).PriceFormater(CurrentProduct.MarketPrice);
IntroLabel.Text = CurrentProduct.Description;
ProductTypeLabel.Text = CurrentProduct.ProductType.Name;
BrandLabel.Text = CurrentProduct.Brand.Name;
AgeLabel.Text = CurrentProduct.Age.Name;
MaterialLabel.Text = CurrentProduct.Material.Name;
}
}
}
}
protected void Page_Load(object sender, EventArgs e)
{
//加载页面时
int userType = ((Site1)Page.Master).CurrentUserType;
if (userType == UserType.Admin)
{
Button1.Visible = true;
Button2.Visible = false;
}
else if (userType == UserType.RegUser)
{
Button1.Visible = false;
Button2.Visible = true;
}
else
{
Button1.Visible = false;
Button2.Visible = false;
}
if (!IsPostBack)
{
//如果是第一次加载
String userName = ((Site1)Page.Master).CurrentUserName;
if (userName.Equals(""))
return;
//从url中读取订单号
int id = Convert.ToInt32(Request.QueryString["id"]);
using (ToyStoreEntities context = new ToyStoreEntities())
{
//查询出该订单
var order = (from orderInfo in context.Orders
where orderInfo.Id == id
select orderInfo).FirstOrDefault();
//查询出该订单的订单明细
var query2 = from orderDetail in order.OrderDetails
select new
{
Id = orderDetail.ProductId,
ProductName = orderDetail.Product.Name,
Quantity = orderDetail.Qty,
UnitPrice = orderDetail.UnitPrice,
SubTotal = orderDetail.Qty * orderDetail.UnitPrice
};
//GridView1的数据源为查询结果
GridView1.DataSource = query2;
//绑定数据源
GridView1.DataBind();
CurrentOrder = order;
Label1.Text = order.ReciverName;
Label2.Text = order.Address;
Label3.Text = order.Phone;
Label4.Text = order.PostCode;
Label5.Text = order.CreateTime.ToString();
if (order.PayTime != null)
Label6.Text = order.PayTime.Value.ToString();
else
Label6.Text = "未付款";
if (order.SendTime != null)
Label7.Text = order.SendTime.Value.ToString();
else
Label7.Text = "未发货";
if (order.ReciveTime != null)
Label8.Text = order.ReciveTime.Value.ToString();
else
Label8.Text = "未收货";
decimal totalPrice = 0;
foreach (var a in query2)
{
totalPrice += a.SubTotal;
}
Label9.Text = ((Site1)Page.Master).PriceFormater(totalPrice);
}
}
}
