find_cl2.aspx.cs

ASP.NET实战编程(六) 电子商务系统

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;
using System.Data.OleDb;

namespace txl
{
	/// <summary>
	/// find_cl2 的摘要说明。
	/// </summary>
	public class find_cl2 : System.Web.UI.Page
	{
		protected System.Web.UI.WebControls.Label lblNoSchool;
		protected System.Web.UI.WebControls.TextBox txtSchname;
		protected System.Web.UI.WebControls.TextBox txtScherea;
		protected System.Web.UI.WebControls.TextBox txtSchzip;
		protected System.Web.UI.WebControls.TextBox txtSchhttp;
		protected System.Web.UI.WebControls.RequiredFieldValidator RequiredFieldValidator1;
		protected System.Web.UI.WebControls.RequiredFieldValidator RequiredFieldValidator2;
		protected System.Web.UI.WebControls.RegularExpressionValidator RegularExpressionValidator2;
		protected System.Web.UI.WebControls.RegularExpressionValidator RegularExpressionValidator3;
		protected System.Web.UI.WebControls.DataGrid dgdSch;


		OleDbConnection cn;
		OleDbCommand cmd;
		OleDbDataReader dr;
		OleDbDataAdapter da;
		DataSet ds;		
		string strConn,strSQL,strUrl;
		protected System.Web.UI.WebControls.Button btnNext;
	
		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.Count==0) Page.Response.Redirect("default.aspx");
			else 
				if(Session["uid"].ToString()=="") Page.Response.Redirect("default.aspx");
			strConn="Provider=Microsoft.Jet.OLEDB.4.0; Data Source="+Server.MapPath("txl.mdb");
			strSQL="select school.s_id,school.s_name,prove.p_name,city.c_name,school.s_erea,s_num,classtype.t_name from school,prove,classtype,city";
            strSQL+=" where c_id="+Page.Request["cid"].ToString();
			strSQL+=" and t_id="+Page.Request["typ"].ToString();
			strSQL+=" and p_id="+Page.Request["pid"].ToString();
			strSQL+=" and s_cid="+Page.Request["cid"].ToString();
			strSQL+=" and s_type="+Page.Request["typ"].ToString();
			strSQL+=" and s_pid="+Page.Request["pid"].ToString();
			cn=new OleDbConnection(strConn);
			cn.Open();
			da=new OleDbDataAdapter(strSQL,cn);
			ds=new DataSet();
			da.Fill(ds,"school");
			/*ds.Tables["school"].Columns.Add("s_url");

			for(i=0;i<ds.Tables["school"].Rows.Count;i++)
				ds.Tables["school"].Rows[i]["s_url"]="schid="+ds.Tables["school"].Rows[i][0].ToString()+"&uid="+Session["uid"].ToString();*/
			dgdSch.DataSource=ds.Tables["school"].DefaultView;
			dgdSch.DataBind();

			da.Dispose();
			cn.Close();
		}

		#region Web Form Designer generated code
		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.btnNext.Click += new System.EventHandler(this.btnNext_Click);
			this.Load += new System.EventHandler(this.Page_Load);

		}
		#endregion

		private void btnNext_Click(object sender, System.EventArgs e)
		{
			strConn="Provider=Microsoft.Jet.OLEDB.4.0; Data Source="+Server.MapPath("txl.mdb");
			strSQL="INSERT INTO school(s_name,s_pid,s_cid,s_erea,s_type,s_num,s_zip,s_http,s_delflag,s_who) VALUES('";
			strSQL+=txtSchname.Text+"',";
			strSQL+=Page.Request["pid"].ToString()+","+Page.Request["cid"].ToString()+",'"+txtScherea.Text+"',"+Page.Request["typ"].ToString()+",0,'";
			strSQL+=txtSchzip.Text+"','"+txtSchhttp.Text+"','0',"+Session["uid"].ToString()+")";
			cn=new OleDbConnection(strConn);
			cmd=new OleDbCommand(strSQL,cn);
			cn.Open();
			cmd.ExecuteNonQuery();
			cmd.Dispose();


			strSQL="select s_id from school where s_who="+Session["uid"].ToString()+" ORDER BY s_id DESC";
			cmd=new OleDbCommand(strSQL,cn);
			dr=cmd.ExecuteReader();
			dr.Read();
			strUrl="find_cl3.aspx?schid="+dr[0].ToString();
			cn.Close();
			Page.Response.Redirect(strUrl);
		}
	}
}