productsearch.aspx.cs

电子商务网站,结合Visual Sttudio 2005和SQL 2005 用ASP.NET语言开发的网站.

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;
using System.Text;
using shop.DbBase;

namespace shop
{
	/// <summary>
	/// productSearch 的摘要说明。
	/// </summary>
	public class productSearch : System.Web.UI.Page
	{
		protected System.Web.UI.WebControls.DataList dlSearchResult;
		protected System.Web.UI.WebControls.Label lblCondition;
		#region 自定义变量
		private string sClassName;
		private string sName;
		private int iStartPrice;
		private int iEndPrice;
		#endregion
		
		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(!object.Equals(Request.QueryString["class"],null))
			{
				sClassName = Request.QueryString["class"].ToString();
				sName = Request.QueryString["name"].ToString();
				string sStartPrice = Request.QueryString["startPrice"].ToString();
				string sEndPrice = Request.QueryString["endPrice"].ToString();
				if(sStartPrice != "")
					iStartPrice = int.Parse(sStartPrice);
				else
					iStartPrice = -1;
				if(sEndPrice != "")
					iEndPrice = int.Parse(sEndPrice);
				else
					iEndPrice = -1;
				StringBuilder sbCond = new StringBuilder();
				sbCond.Append("搜索条件〔<b>");
				StringBuilder sbSql = new StringBuilder();
				sbSql.Append("Select ProductId,PName,PPrice,PMemberPrice,PClick,PTime,PStock from Product where PName like '%" + sName + "%' and PStock>0 ");
				if(sClassName != "")//判断查询的条件
				{
					sbSql.Append("and BClassName = '" + sClassName + "' ");
					sbCond.Append("类型：" + sClassName);
				}
				if(sName != "")
					sbCond.Append(" 名称：" + sName);
				if(iStartPrice > -1)
				{
					sbSql.Append("and PPrice > " + iStartPrice + " ");
					sbCond.Append(" 价格从￥" + iStartPrice.ToString());
				}
				if(iEndPrice > -1)
				{
					sbSql.Append("and PPrice < " + iEndPrice + " ");
					sbCond.Append("到￥" + iEndPrice.ToString());
				}
				sbSql.Append("order by PClick desc");
				sbCond.Append("</b>〕，查找到的产品结果");
				DataSet oDS = OleBase.ExecuteSql4Ds(sbSql.ToString());
				dlSearchResult.DataSource = oDS.Tables[0].DefaultView;
				dlSearchResult.DataBind();
				lblCondition.Text = sbCond.ToString();
			}
	}

		#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.Load += new System.EventHandler(this.Page_Load);

		}
		#endregion
	}
}