addcompany1.aspx.cs

这是一个学生服务管理系统

using System;
using System.Data.OleDb;
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 sheng
{
	/// <summary>
	/// addCompany1 的摘要说明。
	/// </summary>
	public class addCompany1 : System.Web.UI.Page
	{
		protected System.Web.UI.WebControls.Label Label1;
		protected System.Web.UI.WebControls.Button btnQuery;
		protected System.Web.UI.WebControls.TextBox txtURL;
		protected System.Web.UI.WebControls.Label Label2;
	
		private void Page_Load(object sender, System.EventArgs e)
		{
			// 在此处放置用户代码以初始化页面
		}

		#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.btnQuery.Click += new System.EventHandler(this.Button1_Click);
			this.Load += new System.EventHandler(this.Page_Load);

		}
		#endregion

		private void Button1_Click(object sender, System.EventArgs e)
		{			
			OleDbConnection Conn = new OleDbConnection();			
			Conn.ConnectionString = " provider = microsoft.jet.oledb.4.0; data source=" + Server.MapPath("access/sheng.mdb");			
			OleDbCommand Comm = new OleDbCommand();	 
			Comm.CommandText = "select 跟踪人 from url where 公司网址='www." + this.txtURL.Text.Trim() + "'";
			Comm.Connection = Conn;			
			Conn.Open();			

			OleDbDataReader rd = Comm.ExecuteReader();
			string track_name ="";
			if(rd.Read())
				track_name = rd[0].ToString();
			rd.Close();
			Conn.Close();
			if (track_name =="")
				Response.Redirect("addCompany2.aspx?companyURL=" + this.txtURL.Text.Trim()) ;
			else if(!track_name.Equals(Session["name"].ToString()))
				Response.Redirect("hasExist.aspx?message=已被别人跟踪");
			else
				Response.Redirect("hasExist.aspx?message=已被您跟踪");
				
		}
	}
}