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1.Ö÷ÒªÃüÃû¿Õ¼ä:
<% @ Import Namespace="System.Data" %> ´¦ÀíÊý¾ÝʱÓõ½
   <% @ Import Namespace="System.Data.ADO" % >   ʹÓÃADO.net ʱÓõ½
   <% @ Import Namespace="System.Data.SQL" %>   SQL Server Êý¾Ý¿âרÓÃ
   <% @ Import Namespace="System.Data.XML" %>   ²»Óÿ´´¦ÀíXMLÓõ½
   <% @ Import Namespace="System.IO" %>   ´¦ÀíÎļþʱÓõ½
   <% @ Import Namespace="System.Web.Util" %>   ·¢Óʼþʱ´ó¼Ò»áÓõ½
   <% @ Import Namespace="System.Text" %> Îı¾±àÂëʱÓõ½
2.<%=...%>Óë<%#... %>µÄÇø±ð:
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3.¿Ø¼þ½ÓÊÕÄÄЩÀàÐÍÊý¾Ý?
   ´ð:½ÓÊÕBindµÄ¿Ø¼þ,Ò»°ãÓÐdropDownList,DataList,DataGrid,ListBoxÕâЩ¼¯ºÏÐÔÖʵĿؼþ,¶ø±»À¦°ó   µÄÖ÷ÒªÊÇArrayList(Êý×é),Hashtable(¹þÏ¡±í),DataView(Êý¾ÝÊÓͼ),DataReaderÕâËĸö,ÒÔºóÎÒÃǾͿÉÒÔ   ¶ÔºÅÈë×ù,²»»á³öÏÖDataTable±»À¦°óµÄ´íÎóÁË£º£©
4.DataBind,»ñµÃµÄÊý¾Ý,ϵͳ»á½«ÆäĬÈÏΪString,ÔõÑùת»¯ÎªÆäËüµÄÀàÐÍ?
   DataBinder.Eval(Container.DataItem,"ת»»µÄÀàÐÍ","¸ñʽ")
   ×îºóÒ»¸ö"¸ñʽ"ÊÇ¿ÉÑ¡µÄ,Ò»°ã²»ÓÃÈ¥¹ÜËû,Container.DataItemÊÇÀ¦°óµÄÊý¾ÝÏî,"ת»»ÀàÐÍ"Ö¸µÄÊÇ Integer,String,BooleanÕâÒ»Àà¶«Î÷.
5.Connections(SQLConection »òÕß ADOConnection)µÄ³£ÓÃÊôÐԺͷ½·¨:
| ConnectionString È¡µÃ»òÉèÖÃÁ¬½áÊý¾Ý¿âµÄÓï¾ä
   | ConnectionTimeout È¡µÃ»òÉèÖÃÁ¬½áÊý¾Ý¿âµÄ×ʱ¼ä,Ò²ÊǾͳ¬Ê±Ê±¼ä
   | DataBase È¡µÃ»òÉèÖÃÔÚÊý¾Ý¿â·þÎñÆ÷ÉÏÒª´ò¿ªµÄÊý¾Ý¿âÃû
   | DataSource È¡µÃ»òÉèÖÃDSN,´ó¼Ò²»»áİÉú°É£º£©
   | Password È¡µÃ»òÉèÖÃÃÜÂë
   | UserID È¡µÃ»òÉèÖõǽÃû
   | State È¡µÃĿǰÁª½áµÄ״̬
   | Open() ´ò¿ªÁª½á
   | Close() ¹Ø±ÕÁª½á
   | Clone() ¿Ë¡һ¸öÁª½á¡££¨ºÇºÇ,ÃàÑò¿ÉÒÔConnectionÎÒÒ²¿ÉÒÔ)
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using System.Data;
using System.Configuration;
using System.Linq;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.HtmlControls;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Xml.Linq;
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