searchproducts.aspx.cs

来自「手机网店源码」· CS 代码 · 共 229 行

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 MobileOnlineShop
{
	/// <summary>
	/// searchProducts 的摘要说明。
	/// </summary>
	public class searchProducts : System.Web.UI.Page
	{
		protected System.Web.UI.WebControls.Label message;
		protected System.Web.UI.WebControls.DataList MyList;

		//专用明全局变量
//		private int pageSize,recorderCount,currentPage,pageCount;
//		//类型ID
//		private int categoryId;
//	
		private void Page_Load(object sender, System.EventArgs e)
		{
			//每页记录数
//			pageSize = 12;
//			//品牌ID
//			categoryId = Convert.ToInt32(Request.Params["CategoryID"]);
			if(!Page.IsPostBack)
			{
				

				//根据手机型号搜索
				if(Request.QueryString["searchModel"]!=null)
				{
					if(Request.QueryString["searchModel"].ToString() != "请输入手机型号")
					{
						MyList.DataSource = DAL.ProductDB.SearchProductByModel(Request.Params["searchModel"].ToString());
						MyList.DataBind();
					}
					display();
					return;
				}
				//根据手机品牌搜索
				if(Request.QueryString["proName"].ToString() != "请选择手机品牌" && Request.QueryString["Index"].ToString()=="0")
				{
					MyList.DataSource = DAL.ProductDB.SearchProductByCategoryName(Request.Params["proName"]);
					MyList.DataBind();
					display();
					return;
				}
				//根据手机价格搜索
				if(Request.QueryString["Index"] != "0" && Request.QueryString["proName"].ToString() == "请选择手机品牌")
				{
					int seleIndex ;
					try
					{
						seleIndex = Convert.ToInt32(Request.QueryString["Index"]);
					}
					catch
					{
						seleIndex = 0;
					}
					switch(seleIndex)
					{
						case 0:
							break;
						case 1:
							MyList.DataSource = DAL.ProductDB.SearchProductByPrice(0,1000);
							MyList.DataBind();
							break;
						case 2:
							MyList.DataSource = DAL.ProductDB.SearchProductByPrice(1000,3000);
							MyList.DataBind();
							break;
						case 3:
							MyList.DataSource = DAL.ProductDB.SearchProductByPrice(3000,-1);
							MyList.DataBind();
							break;
					}
					display();
					return;
				}
				//按手机价格和品牌搜索
				
			 if((Request.QueryString["proName"] != "请选择手机品牌")&&(Request.QueryString["Index"] != "0"))
				{
					string name ;
					int seleIndex ;
					try
					{
						seleIndex = Convert.ToInt32(Request.QueryString["Index"]);
						name = Request.QueryString["proName"];
					}
					catch
					{
						seleIndex = 0;
						name = null;
					}
					switch(seleIndex)
					{
						case 0:
							break;
						case 1:
							MyList.DataSource = DAL.ProductDB.SearchProductByPriceName(0,1000,name);
							MyList.DataBind();
							break;
						case 2:
							MyList.DataSource = DAL.ProductDB.SearchProductByPriceName(1000,3000,name);
							MyList.DataBind();
							break;
						case 3:
							MyList.DataSource = DAL.ProductDB.SearchProductByPriceName(3000,-1,name);
							MyList.DataBind();
							break;
					}
					display();
				}
				
//				//调用数据访问层方法，计算记录条数
//				recorderCount = DAL.ProductDB.RecorderCalculate(categoryId);
//
//				//页数
//				if((float)recorderCount/pageSize == recorderCount/pageSize)
//					pageCount = recorderCount/pageSize;
//				else
//					pageCount = recorderCount/pageSize+1;
//				this.lblPageCount.Text = pageCount.ToString();
//				ViewState["PageCount"] = pageCount;
//				
//				currentPage = 1;
//				ViewState["PageIndex"] = currentPage;
//				BindList();
			}
			 
		}

		private void display()
		{
			if (MyList.Items.Count == 0)
			{
				MyList.Visible = false;
				message.Text = "无搜索结果。";
			}

		}
//		public void BindList()
//		{
//			this.m_lkbtnPrePage.Enabled = true;
//			this.m_lkbtnNextPage.Enabled = true;
//			pageCount = (int)ViewState["PageCount"];
//			
//			//清空m_ddlPageIndex
//			this.m_ddlPageIndex.Items.Clear();
//
//			for(int i=1;i<=pageCount;i++)
//				this.m_ddlPageIndex.Items.Add(i.ToString());
//			// 调用数据访问层方法，将返回结果与DataList绑定,并分页
//			MyList.DataSource = DAL.ProductDB.GetProducts(categoryId,currentPage,pageSize);
//			MyList.DataBind();
//
//			if (currentPage == 1)
//			{
//				this.m_lkbtnPrePage.Enabled = false;
//			}
//			if (currentPage == pageCount)
//			{
//				this.m_lkbtnNextPage.Enabled = false;
//			}
//			//			ViewState["PageIndex"] = currentPage;
//
//			this.m_ddlPageIndex.SelectedIndex = currentPage-1;
//		}
//		private void m_ddlPageIndex_SelectedIndexChanged(object sender, System.EventArgs e)
//		{
//			currentPage = Int32.Parse(this.m_ddlPageIndex.SelectedValue);
//			BindList();
//		}
		#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

//		private void m_lkbtnPrePage_Click(object sender, System.EventArgs e)
//		{
//			currentPage = (int)ViewState["PageIndex"];
//			if ( currentPage >1)
//			{
//				currentPage--;
//				ViewState["PageIndex"] = currentPage;
//			}
//			BindList();
//		}
//
//		private void m_lkbtnNextPage_Click(object sender, System.EventArgs e)
//		{
//			currentPage = (int)ViewState["PageIndex"];
//			pageCount = (int)ViewState["PageCount"];
//			if ( currentPage < pageCount)
//			{
//				currentPage++;
//				ViewState["PageIndex"] = currentPage;	
//			}
//			BindList();
//		}

	}
}