showbook.aspx.cs

网上书店

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 BookShop
{
	/// <summary>
	/// ShowBook 的摘要说明。
	/// </summary>
	public partial class ShowBook : System.Web.UI.Page
	{
	
		
		DBProjectGuide.Book myBook=new DBProjectGuide.Book();
		DBProjectGuide.Comment myComment=new DBProjectGuide.Comment();
		protected void Page_Load(object sender, System.EventArgs e)
		{
			// 在此处放置用户代码以初始化页面
			if(!Page.IsPostBack )
			{
				int BookType;
				if(!Object.Equals(Request.QueryString["BookType"],null))
				{
					BookType=int.Parse(Request.QueryString["BookType"].ToString());
					hl_Exit.NavigateUrl="ShowBookByType.aspx?BookType="+BookType; 
				}
				else
					hl_Exit.NavigateUrl="Main.aspx";

				ViewState["BookId"]=Request.QueryString["BookId"];
				try
				{
					DBProjectGuide.Book.Hits(ViewState["BookId"].ToString());
					initMessage();
					BindDataList();
				}
				catch
				{}				
			}
			ErrMsg.Visible =false;
		}

		private void BindDataList()
		{
			DataView myDv;
			myDv=myComment.GetCommentByBookId(int.Parse(ViewState["BookId"].ToString()));
			dl_Comment.DataSource =myDv;
			dl_Comment.DataBind();
		}

		private void initMessage()
		{
			DataRow myDr;
			myDr=myBook.GetBookDetail(int.Parse(ViewState["BookId"].ToString()));
			lb_BookName.Text=myDr["name"].ToString();
			lb_BookType.Text=myDr["BookTypeName"].ToString();
			img_ClickCount.Width = Unit.Pixel(Convert.ToInt32(myDr["Hits"].ToString()));
			lb_Image.Text=myDr["image"].ToString ();
			lb_Author.Text=myDr["Author"].ToString();
			lb_Translator.Text=myDr["Translator"].ToString();
			lb_Press.Text=myDr["publisher"].ToString();
			lb_Price.Text=myDr["Price"].ToString();
			lb_Discount.Text=myDr["Discount"].ToString();
			if((bool)myDr["Status"])
			   lb_Status.Text="Yes";
			else
				lb_Status.Text="No";
            ta_Description.Value =myDr["Description"].ToString();
			lb_Description.Text=myDr["Description"].ToString();
		}

		#region Web Form Designer generated code
		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()
		{    

		}
		#endregion

		protected void btn_Replay_Click(object sender, System.EventArgs e)
		{
			ArrayList CommAry=new ArrayList() ;
			CommAry.Add(ViewState["BookId"]);
			CommAry.Add(tb_Name.Text.Trim());
			CommAry.Add(tb_EMail.Text.Trim());
			CommAry.Add(tb_Caption.Text.Trim());
			CommAry.Add(tb_ISay.Text.Trim());
			CommAry.Add(System.DateTime.Now);
			try
			{
				myComment.InsertComment(CommAry);
				BindDataList();
				tb_Name.Text="";
				tb_EMail.Text="";
				tb_Caption.Text="";
				tb_ISay.Text="";
			}
			catch(Exception er)
			{
				ShowErrMsg(er.Message);
			}	
		}
		/// <summary>
		/// Push Dialog,Show error message
		/// </summary>
		/// <param name="err">Error Message Detail</param>
		private void ShowErrMsg(string err)
		{
			string str;
			str="<script language='javascript'>";
			str+=" alert('" +err + "')";
			str+="</script>";
			ErrMsg.Visible=true;
			ErrMsg.Text=str;
				
		}

		protected void btn_Reset_Click(object sender, System.EventArgs e)
		{
			tb_Name.Text="";
			tb_EMail.Text="";
			tb_Caption.Text="";
			tb_ISay.Text="";

		}

		protected void lb_Buy_Click(object sender, System.EventArgs e)
		{
			//Write to Cookie
			string url;
			url="ShowBook.aspx?bookid="+ViewState["BookId"];
			Response.Redirect("AddToCart.aspx?BookId="+ViewState["BookId"]+"&BackUrl="+url);
		
		}

		protected void lb_Temp_Click(object sender, System.EventArgs e)
		{
			Response.Redirect("AddToTempStore.aspx?bookid="+ViewState["BookId"]);
		}




		
	}
}