bookshow.aspx.cs

客户关系管理系统

using System;
using System.Collections;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Web;
using System.Web.SessionState;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.HtmlControls;

namespace HKeBookshop
{
	/// <summary>
	/// bookshow 的摘要说明。
	/// </summary>
	public class bookshow : System.Web.UI.Page
	{
		protected System.Web.UI.WebControls.DataList DataList1;
		string strsql="";
		myclass MyClass = new myclass();
		protected System.Web.UI.WebControls.DataGrid DataGrid1;
		protected System.Web.UI.WebControls.Image Image1;
		protected System.Web.UI.WebControls.Button Button1;
		string booktype="";
		string bookname="";
		protected System.Web.UI.WebControls.Label Label1;
		DataSet ds = new DataSet();
	
		private void Page_Load(object sender, System.EventArgs e)
		{
			// 在此处放置用户代码以初始化页面
			
			if (!IsPostBack)
			{
				strsql = "select * from T_booktype";
				MyClass.Readdata(strsql,DataGrid1);
				if(Request.QueryString.Count!=0)
				{
					
					booktype = Request.QueryString["booktype"].ToString();
					strsql = "select * from T_bookinfo where booktypeid=" + booktype;
					MyClass.ReadList(strsql,DataList1);
					
				}
				else
				{
					strsql = "select * from T_bookinfo";
					MyClass.ReadList(strsql,DataList1);
					if (DataList1.Items.Count==0)
					{
						Label1.Visible=true;
					}
				}
				
				
			}
		}

		#region Web 窗体设计器生成的代码
		override protected void OnInit(EventArgs e)
		{
			//
			// CODEGEN: 该调用是 ASP.NET Web 窗体设计器所必需的。
			//
			InitializeComponent();
			base.OnInit(e);
		}
		
		/// <summary>
		/// 设计器支持所需的方法 - 不要使用代码编辑器修改
		/// 此方法的内容。
		/// </summary>
		private void InitializeComponent()
		{    
			this.DataList1.ItemCommand += new System.Web.UI.WebControls.DataListCommandEventHandler(this.DataList1_ItemCommand);
			this.Button1.Click += new System.EventHandler(this.Button1_Click);
			this.Load += new System.EventHandler(this.Page_Load);

		}
		#endregion

		private void ImageButton1_Click(object sender, System.Web.UI.ImageClickEventArgs e)
		{
			
		}

		private void DataList1_ItemCommand(object source, System.Web.UI.WebControls.DataListCommandEventArgs e)
		{
			if (e.CommandName=="ImageCar")   
			{
				if (Session["name"] == "")
				{
					Response.Write("<script>alert('请您登录,或者注册')</script>");

				}
				else
				{
					
					HyperLink name =(HyperLink)e.Item.FindControl("bname");
					string price = ((Label)e.Item.FindControl("bprice")).Text;
					strsql = "select * from T_bookinfo where bookname ='" + name.Text + "'";
						ds = MyClass.Readdate(strsql);
					BookOrder Order=new BookOrder(ds.Tables["myDB"].Rows[0][0].ToString(),name.Text,Convert.ToDecimal(price),1);
					ShoppingCart cart = (ShoppingCart)Session["shoppingcar"];
					cart.AddOrder(Order);
					Response.Write("<script>alert('添加成功')</script>");
				}
			}
		}

		private void Button1_Click(object sender, System.EventArgs e)
		{
			Response.Redirect("bookresearch.aspx");
		}
	}
}