memberlist.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>
	/// memberList 的摘要说明。
	/// </summary>
	public class memberList : System.Web.UI.Page
	{
		protected System.Web.UI.WebControls.Button btnPre;
		protected System.Web.UI.WebControls.Button btnNext;
		protected System.Web.UI.WebControls.TextBox txtPage;
		protected System.Web.UI.WebControls.Button btnJump;
		protected System.Web.UI.WebControls.Button btnLast;
		protected System.Web.UI.WebControls.Button btnFirst;
		protected System.Web.UI.WebControls.Panel Panel1;
		
		static int startPage;
		protected System.Web.UI.WebControls.Label Label1;
		protected System.Web.UI.WebControls.Label Label2;
		static string strSql ;
		

		#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.btnFirst.Click += new System.EventHandler(this.btnFirst_Click);
			this.btnLast.Click += new System.EventHandler(this.btnLast_Click);
			this.btnJump.Click += new System.EventHandler(this.btnJump_Click);
			this.btnNext.Click += new System.EventHandler(this.btnNext_Click);
			this.btnPre.Click += new System.EventHandler(this.btnPre_Click);
			this.Load += new System.EventHandler(this.Page_Load);

		}
		#endregion

		private void Page_Load(object sender, System.EventArgs e)
		{			
			if(!Page.IsPostBack)
			{
				if (Request["strSql"]==null)
					Response.Redirect("query.aspx");
				strSql = Request["strSql"].ToString();
				startPage = Convert.ToInt32(Request["startPage"]);
			}
			showData( );

		}
		
 
		private void btnFirst_Click(object sender, System.EventArgs e)
		{
			startPage =1;
			showData();
		}

		private void btnPre_Click(object sender, System.EventArgs e)
		{
			if (startPage >1)
				startPage--;			
			showData();
		}

		private void showData( )
		{
			this.Panel1.Controls.Clear();
			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 = strSql;
			Comm.Connection = Conn;			
			Conn.Open();			
			
			OleDbDataReader dr = Comm.ExecuteReader();
			
			
	
			for ( int i=0 ; i< (startPage-1) * 10 && dr.Read(); i++) ;			
			HtmlTable table = new HtmlTable();
			table.Border =1;		
		
			HtmlTableRow row2 = new HtmlTableRow();
			string[] head = new string[7]{"序号","公司名","公司网址", "关键字","跟踪人","跟踪开始日期","处  理"};
			row2.BgColor = "grey";
			for ( int i=0; i<7; i++)
			{
				HtmlTableCell cell = new HtmlTableCell();
				cell.InnerHtml = head[i];
				row2.Cells.Add(cell);
			}
			table.Rows.Add(row2);
			
			int count = ( startPage -1) *10;			
			int j=0;

			for(j=0; j<10 && dr.Read(); j++)
			{
				HtmlTableRow row = new HtmlTableRow();
				HtmlTableCell cell2 = new HtmlTableCell();
				cell2.InnerHtml = Convert.ToString(count+++1);
				row.Cells.Add(cell2);
				for( int i=0; i<5; i++)
				{
					HtmlTableCell cell = new HtmlTableCell();
					cell.InnerHtml = dr[i].ToString();
					row.Cells.Add(cell);			
				}
				cell2 = new HtmlTableCell();
				cell2.Controls.Add(new MyLink(dr["公司网址"].ToString(),dr["处理"].ToString()));
				row.Cells.Add(cell2);
				table.Rows.Add(row);
			}

			if( j==0)
				Response.Redirect("noRecord.aspx");

			this.Panel1.Controls.Add(table);
			dr.Close();			
			Conn.Close();				

		}

		private void btnNext_Click(object sender, System.EventArgs e)
		{
			if ( startPage < Convert.ToInt32(Session["MaxPage"]))
				startPage ++;
			showData();
		}

		private void btnLast_Click(object sender, System.EventArgs e)
		{
			startPage = Convert.ToInt32(Session["MaxPage"]);
			showData();

		}

		private void btnJump_Click(object sender, System.EventArgs e)
		{
			int page;
			try
			{
				page= Convert.ToInt32(txtPage.Text.Trim());
			}
			catch
			{
				page =1;
			}

			if (page < 0 || page > Convert.ToInt32(Session["MaxPage"]))
				page=1;
			startPage =page;
			

			showData();				
		}
		


	}

	class MyLink: System.Web.UI.WebControls.HyperLink
	{
		public  MyLink(  string url,string name)
		{
			if ( name.Equals("跟踪"))				
				this.NavigateUrl= "track.aspx?url="+url;
			else
				this.NavigateUrl="modify.aspx?url=" + url +"&name="+name;
			this.Text = name;			
			this.ID = url;
		}

		

			
	}

}