manager.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.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;
using System.Configuration;

namespace WebApplication8.firstPage
{
	/// <summary>
	/// manager 的摘要说明。
	/// </summary>
	public class manager : System.Web.UI.Page
	{
		protected System.Web.UI.HtmlControls.HtmlTableCell shop;
		protected System.Web.UI.WebControls.DataGrid demand;
		protected System.Web.UI.WebControls.DataGrid supply;
		protected System.Web.UI.HtmlControls.HtmlTableCell ads;

		DataView dataview;
		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();
			command.Connection = connection;
			command.CommandText = "Select * from SDInfo where studentNO='"+Session["studentNO"]+"'";
			connection.Open();
			adapter.SelectCommand = command;
			adapter.Fill(dataset);

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

			dataview.RowFilter = "type='求购'";
			demand.DataSource = dataview;
			demand.DataBind();
			dataview.RowFilter = "";
			
			dataview.RowFilter = "type='供货'";
			supply.DataSource = dataview;
			supply.DataBind();
			dataview.RowFilter = "";

		}

		#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.demand.DeleteCommand += new System.Web.UI.WebControls.DataGridCommandEventHandler(this.demand_DeleteCommand);
			this.supply.DeleteCommand += new System.Web.UI.WebControls.DataGridCommandEventHandler(this.supply_DeleteCommand);
			this.Load += new System.EventHandler(this.Page_Load);

		}
		#endregion

		private void demand_PageIndexChanged(object source, System.Web.UI.WebControls.DataGridPageChangedEventArgs e)
		{
			demand.CurrentPageIndex = e.NewPageIndex;
			dataview.RowFilter = "type='求购'";
			demand.DataSource = dataview;
			demand.DataBind();
			dataview.RowFilter = "";
		}

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

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

			dataview.RowFilter = "type='求购'";

			if(dataview.Count%demand.PageSize == 0&&demand.CurrentPageIndex != 0)
				demand.CurrentPageIndex = demand.CurrentPageIndex -1;
			demand.DataSource = dataview;
			demand.DataBind();
			dataview.RowFilter = "";
		}

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

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

			dataview.RowFilter = "type='供货'";

			if(dataview.Count%supply.PageSize == 0&&supply.CurrentPageIndex != 0)
				supply.CurrentPageIndex = supply.CurrentPageIndex -1;
			supply.DataSource = dataview;
			supply.DataBind();
			dataview.RowFilter = "";
		}

		private void supply_PageIndexChanged(object source, System.Web.UI.WebControls.DataGridPageChangedEventArgs e)
		{
			supply.CurrentPageIndex = e.NewPageIndex;
			dataview.RowFilter = "type='供货'";
			supply.DataSource = dataview;
			supply.DataBind();
			dataview.RowFilter = "";
		}
	}
}