viewallorders.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.order
{
	/// <summary>
	/// viewallorders 的摘要说明。
	/// </summary>
	public class viewallorders : System.Web.UI.Page
	{
		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;
		protected System.Web.UI.WebControls.LinkButton LinkButton1;
		private int PageSize=10;
	
		private void Page_Load(object sender, System.EventArgs e)
		{
			//查看用户是否已经登录

				if(Session["logined"]==null || Session["logined"].ToString()!="true")
				{
					Response.Write("<script>alert('您还没有登录，请先登录！');history.back();</script>");
					return;                  
				}

			// 在此处放置用户代码以初始化页面
			if(Request.Params["view"]!="" && Request.Params["view"]!=null)
			{
				BindGrid(1);
				BindWhich(Request.Params["view"].ToString().Trim());
				return;
			}
			if(!IsPostBack)
				BindGrid(1);
		}

		private void BindGrid(int RsCount)
		{
			int TotalPage;
		    
			Order myOrder=new Order();
			if(Session["userid"]!=null)
			{
				int TotalRecord=myOrder.GetAllOrderCount(Convert.ToInt32(Session["userid"].ToString().Trim())); //使用重载方法Order.GetAllOrderCount(int)。

			
				if ((TotalRecord % PageSize)>0)
				{
					TotalPage=TotalRecord/PageSize +1;
				}
				else
				{
					TotalPage=TotalRecord/PageSize;
				}

				DataSet myDS;
				myDS=myOrder.GetAllOrderDS(RsCount,PageSize,Convert.ToInt32(Session["userid"].ToString().Trim()));//使用重载方法Order.GetAllOrderDS(int,int,int)。
				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();
			}
			else
			{
				Response.Write("<script>alert('您还没有登录，请先登录！');history.back();</script>");
			}
		}


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

		private void BindWhich(string commandArg)
		{
			switch(commandArg)
			{    
				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.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("orderdetail.aspx?id="+e.CommandArgument+"&mode=");
			}
		}
	}
}