viewtop.aspx.cs

ASP.net+sql server2000编写的完整鲜花在线销售系统

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 flower.front.top
{
	/// <summary>
	/// viewtop 的摘要说明。
	/// </summary>
	public class viewtop : System.Web.UI.Page
	{
		protected System.Web.UI.WebControls.LinkButton LinkButton1;
		protected System.Web.UI.WebControls.LinkButton LinkButton2;
		protected System.Web.UI.WebControls.LinkButton LinkButton3;
		protected System.Web.UI.WebControls.LinkButton LinkButton4;
		protected System.Web.UI.WebControls.Label Label1;
		protected System.Web.UI.WebControls.Label Label2;
		protected System.Web.UI.WebControls.Label Label3;
		protected System.Web.UI.WebControls.Label Label4;
		protected System.Web.UI.WebControls.Repeater Repeater1;
		private int PageSize=10;
	
		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)
				BindGrid(1);
		}

		private void BindGrid(int RsCount)
		{
			int TotalPage;
		    
			Flower myFlower=new Flower();
			int TotalRecord=myFlower.GetAllFlowerCount();
			
			if ((TotalRecord % PageSize)>0)
			{
				TotalPage=TotalRecord/PageSize +1;
			}
			else
			{
				TotalPage=TotalRecord/PageSize;
			}

			DataSet myDS;
			myDS=myFlower.GetAllFlowerDS(RsCount,PageSize,1);
			Repeater1.DataSource=myDS.Tables["myTable"];
			Repeater1.DataBind();

			Label1.Text="当前是第"+RsCount.ToString()+"页";
			Label3.Text=RsCount.ToString();
			Label2.Text="总共"+TotalPage.ToString()+"页";
			Label4.Text=TotalPage.ToString();
			myDS.Clear();
		}


		private void PageCut_Click(object sender, System.EventArgs e)
		{
			LinkButton lb = (LinkButton)sender;
			String commangArg = lb.CommandArgument.ToString();

			switch(commangArg)
			{    
				case "First":
				{
					//首页
					BindGrid(1);
					break;
				}     
				case "Prev":
				{
					//上一页
					if(int.Parse(Label3.Text)>1)
						BindGrid(int.Parse(Label3.Text)-1);
					break;
				}     
				case "Next":
				{ 
					//下一页
					if(int.Parse(Label3.Text)<int.Parse(Label4.Text))
						BindGrid(int.Parse(Label3.Text)+1);
					break;
				}     
				case "Last":
				{
					//末页
					BindGrid(int.Parse(Label4.Text));
					break;
				}
				default:
				{
					break;
				}
			}
		}


		#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.LinkButton1.Click += new System.EventHandler(this.PageCut_Click);
			this.LinkButton2.Click += new System.EventHandler(this.PageCut_Click);
			this.LinkButton3.Click += new System.EventHandler(this.PageCut_Click);
			this.LinkButton4.Click += new System.EventHandler(this.PageCut_Click);
			this.Repeater1.ItemCommand += new System.Web.UI.WebControls.RepeaterCommandEventHandler(this.Repeater1_ItemCommand);
			this.Load += new System.EventHandler(this.Page_Load);

		}
		#endregion

		private void Repeater1_ItemCommand(object source, System.Web.UI.WebControls.RepeaterCommandEventArgs e)
		{
			
			if(e.CommandName =="detail")
			{
				Response.Redirect("../flower/flowerdetail.aspx?id="+ e.CommandArgument +"");
			}
			if(e.CommandName=="buy")
			{
				Response.Redirect("/flower/front/cart/myCart.aspx?AddID="+e.CommandArgument+"");
			}
			
		}
	}
}