contractlist.aspx.cs

网络营销软件的源代码

using System;
using System.Collections;
using System.ComponentModel;
using System.Data;
using System.Configuration;
using System.Data.SqlClient;
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 WebApplication8.firstPage
{
	/// <summary>
	/// contractList 的摘要说明。
	/// </summary>
	public class contractList : System.Web.UI.Page
	{
		protected System.Web.UI.HtmlControls.HtmlTableCell ads;
		protected System.Web.UI.HtmlControls.HtmlTableCell shop;

		DataView selledView,boughtView;
		protected System.Web.UI.WebControls.DataGrid selled;
		protected System.Web.UI.WebControls.DataGrid bought;

		protected System.Web.UI.WebControls.Label count;
		SqlCommand command   ;
	
		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(Session["userName"]==null)
				Response.Redirect("../login.aspx");
			
			if(Session["type"].Equals("个人"))
				shop.InnerHtml = "<div align='center'><A href='shopping.aspx'><IMG height='29' src='images/shopping.gif' width='157' border='0'></A></div>";
			else if(Session["type"].Equals("企业"))
				shop.InnerHtml = "<div align='center'><A href='enterprise.aspx'><IMG height='29' src='images/shopping.gif' width='157' border='0'></A></div>";

			if(Session["type"].ToString().Equals("个人"))
				ads.Visible = false;

			count.Text = Application["count"].ToString();

			SqlDataAdapter adapter = new SqlDataAdapter();
			SqlConnection connection = new SqlConnection(Application["market"].ToString());
			command = new SqlCommand();
			DataSet dataset = new DataSet();
			DataSet dataset_ = new DataSet();
			command.Connection = connection;
			command.CommandText = "select productName,company.comName,price,Contract.createTime,contract.id  from Contract,Company "+
				"where company.studentNO=contract.buyerID and contract.sellerID='"+Session["studentNO"].ToString()+"'";
			
			connection.Open();
			adapter.SelectCommand = command;
			adapter.Fill(dataset);

			selledView = new DataView(dataset.Tables[0]);

			selled.DataSource = selledView;
			selled.DataBind();



			command.CommandText = "select productName,company.comName,price,Contract.createTime,contract.id  from Contract,Company "+
				"where company.studentNO=contract.sellerID and contract.buyerID='"+Session["studentNO"].ToString()+"'";
			adapter.Fill(dataset_);
			boughtView = new DataView(dataset_.Tables[0]);

			bought.DataSource = boughtView;
			bought.DataBind();
		}

		#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.selled.PageIndexChanged += new System.Web.UI.WebControls.DataGridPageChangedEventHandler(this.selled_PageIndexChanged);
			this.selled.DeleteCommand += new System.Web.UI.WebControls.DataGridCommandEventHandler(this.selled_DeleteCommand);
			this.bought.PageIndexChanged += new System.Web.UI.WebControls.DataGridPageChangedEventHandler(this.bought_PageIndexChanged);
			this.bought.DeleteCommand += new System.Web.UI.WebControls.DataGridCommandEventHandler(this.bought_DeleteCommand);
			this.Load += new System.EventHandler(this.Page_Load);

		}
		#endregion

		private void selled_PageIndexChanged(object source, System.Web.UI.WebControls.DataGridPageChangedEventArgs e)
		{
			selled.CurrentPageIndex = e.NewPageIndex;
			selled.DataSource = selledView;
			selled.DataBind();
		}

		private void selled_DeleteCommand(object source, System.Web.UI.WebControls.DataGridCommandEventArgs e)
		{
			selledView.RowFilter = "id='"+selled.DataKeys[e.Item.ItemIndex].ToString()+"'";
			selledView.Delete(0);
			selledView.RowFilter = "";    

			command.CommandText = "delete from Contract where id='"+selled.DataKeys[e.Item.ItemIndex].ToString()+"'";
			command.ExecuteNonQuery();

			if(selledView.Count%selled.PageSize == 0&&selled.CurrentPageIndex != 0)
				selled.CurrentPageIndex = selled.CurrentPageIndex -1;
			selled.DataSource = selledView;
			selled.DataBind();
		}

		private void bought_PageIndexChanged(object source, System.Web.UI.WebControls.DataGridPageChangedEventArgs e)
		{
			bought.CurrentPageIndex = e.NewPageIndex;
			bought.DataSource = boughtView;
			bought.DataBind();
		}

		private void bought_DeleteCommand(object source, System.Web.UI.WebControls.DataGridCommandEventArgs e)
		{
			boughtView.RowFilter = "id='"+bought.DataKeys[e.Item.ItemIndex].ToString()+"'";
			boughtView.Delete(0);
			boughtView.RowFilter = "";

			command.CommandText = "delete from Contract where id='"+bought.DataKeys[e.Item.ItemIndex].ToString()+"'";
			command.ExecuteNonQuery();

			if(boughtView.Count%bought.PageSize == 0&&bought.CurrentPageIndex != 0)
				bought.CurrentPageIndex = bought.CurrentPageIndex -1;
			bought.DataSource = boughtView;
			bought.DataBind();
		}
	}
}