commitorderform.aspx.cs

精通网络应用系统开发 光盘 该书是人民邮电出版社出版的

using System;
using System.Data;
using System.Configuration;
using System.Collections;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using System.Data.SqlClient;
using System.Linq;
using System.Data.Linq;
using System.Collections.Generic;

public partial class DesktopModules_OrderForm_CommitOrderForm : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
		if (!Page.IsPostBack)
		{
			///获取购物车的信息			
			ShowShoppingCartInfo();
		}
	}	

	private void ShowShoppingCartInfo()
    {
		///判定购物车中是否存在数据
		if (Session[Session.SessionID + ASPNET35System.ShoppingCart] == null)
		{
			Message.Visible = true;
			return;
		}

		///绑定购物车的数据，显示购物车信息
		OrderFormInformation order = (OrderFormInformation)Session[Session.SessionID + ASPNET35System.ShoppingCart];
		gvOrderForm.DataSource = order.OrderItemList;
		gvOrderForm.DataBind();
		///不显示提示信息
		Message.Visible = false;
    }
   
	protected void CheckShopCart_Click(object sender, EventArgs e)
	{
		///保存订单信息到数据库中
		if (Session[Session.SessionID + ASPNET35System.ShoppingCart] == null)
		{
			return;
		}
		///获取购物车的信息
		OrderFormInformation order = (OrderFormInformation)Session[Session.SessionID + ASPNET35System.ShoppingCart];
		OrderFormM orderform = new OrderFormM();
		///添加订单信息到数据库中
		int nOrderFormID = orderform.AddOrderForm(Int32.Parse(Session["UserID"].ToString()),
			order.TotalNumber,
			order.TotalMoney);
		if (nOrderFormID > -1)
		{
			///添加订单中的每一个子项
			OrderItemM orderItem = new OrderItemM();
			foreach (OrderItemInformation item in order.OrderItemList)
			{
				orderItem.AddOrderItem(item.BookID, item.Number,nOrderFormID);
			}
		}

		///显示提示信息
		Response.Write("<script>alert(\"结帐成功！！！\")</script>");
		CheckOut.Text = "你这次购物总共" + order.TotalNumber.ToString() + "件，总消费金额为：" + order.TotalMoney.ToString() + "元。";
	}

	protected void AddBookBtn_Click(object sender, EventArgs e)
	{
		Response.Redirect("~/DesktopModules/Book/BrowserBook.aspx");
	}	
	protected void gvOrderForm_RowCommand(object sender,GridViewCommandEventArgs e)
	{
		///保存订单信息到数据库中
		if(Session[Session.SessionID + ASPNET35System.ShoppingCart] == null)
		{
			return;
		}

		///删除购物车中的书籍
		if(e.CommandName.ToLower() == "delete")
		{
			///获取购物车的信息
			OrderFormInformation order = (OrderFormInformation)Session[Session.SessionID + ASPNET35System.ShoppingCart];
			order.OrderItemList.RemoveAt(Int32.Parse(e.CommandArgument.ToString()));

			///重新绑定购物车的数据
			ShowShoppingCartInfo();
		}
	}
	protected void gvOrderForm_RowDataBound(object sender,GridViewRowEventArgs e)
	{
		///为删除按钮添加确认对话框
		ImageButton deleteBtn = (ImageButton)e.Row.FindControl("DeleteBook");
		if(deleteBtn != null)
		{
			deleteBtn.Attributes.Add("onclick","return confirm('" + ASPNET35System.OPERATIONDELETEMESSAGE + "');");
		}
	}
	protected void gvOrderForm_RowCreated(object sender,GridViewRowEventArgs e)
	{
		if(e.Row.RowType == DataControlRowType.DataRow)
		{
			ImageButton deleteBtn = (ImageButton)e.Row.FindControl("DeleteBook");
			if(deleteBtn != null)
			{
				deleteBtn.CommandArgument = e.Row.RowIndex.ToString();
			}
		}
	}
}