C#ÓëSQL Server 2000ʵÏÖÎÞÏÞ¼¶²Ëµ¥
//tree.aspx.cs
using System;
using System.Data;
using System.Configuration;
using System.Collections;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using System.Data.SqlClient;
using System.Threading;
public partial class MenuTree : System.Web.UI.Page
{
SqlDataAdapter da = null;
SqlConnection con = new SqlConnection("server=test;database=DQYPSite_oa;uid=sa;pwd=mfeilgm");
int i = 0;
int count = 0;
int proID = 0;
int column = 0;
string nextClassParentID;
string nextnode;
ArrayList columD = new ArrayList();
DataSet TreeTable = new DataSet();
protected void Page_Load(object sender, EventArgs e)
{
if (!Page.IsPostBack)
{
string cmdStr = "select * from YP_FileClass order by ClassID";
da = new SqlDataAdapter(cmdStr, con);
da.Fill(TreeTable,"ClassForlder");
this.count = TreeTable.Tables["ClassForlder"].Rows.Count;
if (this.count > 0)
{
CreatNode(i);
}
els
Ïà¹ØÎĵµ£º
http://www.cnblogs.com/dwjaissk/archive/2006/07/25/459476.aspx
Ôö¼Ó×Ö¶Î
alter table docdsp add dspcode char(200)
ɾ³ý×Ö¶Î
ALTER TABLE
table_NAME DROP COLUMN column_NAME
ÐÞ¸Ä×Ö¶ÎÀàÐÍ
ALTER TABLE table_name
ALTER COLUMN column_name new_data_type
¸ÄÃû
sp_rename
¸ü¸Äµ±Ç°Êý¾Ý¿âÖÐ ......
¡¡²Ù×÷·ûÓÅ»¯
¡¡¡¡IN ²Ù×÷·û
¡¡¡¡ÓÃINд³öÀ´µÄSQLµÄÓŵãÊDZȽÏÈÝÒ×д¼°ÇåÎúÒ׶®£¬Õâ±È½ÏÊʺÏÏÖ´úÈí¼þ¿ª·¢µÄ·ç¸ñ¡£
¡¡¡¡µ«ÊÇÓÃINµÄSQLÐÔÄÜ×ÜÊDZȽϵ͵ģ¬´ÓORACLEÖ´ÐеIJ½ÖèÀ´·ÖÎöÓÃINµÄSQLÓë²»ÓÃINµÄSQLÓÐÒÔÏÂÇø±ð£º
¡¡¡¡ORACLEÊÔͼ½«Æäת»»³É¶à¸ö±íµÄÁ¬½Ó£¬Èç¹ûת»»²»³É¹¦ÔòÏÈÖ´ÐÐINÀïÃæµÄ×Ó²éѯ£¬ÔÙ²éѯÍâ²ãµÄ±í¼Ç¼£ ......
asp.net(C#)ʵÏÖSQL2000Êý¾Ý¿â±¸·ÝºÍ»¹Ô
using System;
using System.Data;
using System.Configuration;
using System.Collections;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.Htm ......
½ñÌìÔÚÒ»¸öVPSÉÏ°²×°sql2005£¬°²×°ºÃºó±¾µØÒ»Ö±Á¬½Ó²»ÉÏ
¼ò½é
ÔÚ³¢ÊÔ´ÓÔ¶³Ì¼ÆËã»úÁ¬½Óµ½ Microsoft SQL Server 2005 ʵÀýʱ£¬¿ÉÄÜ»á½ÓÊÕµ½´íÎóÏûÏ¢¡£ÔÚʹÓÃÈκγÌÐòÁ¬½Óµ½ SQL Server ʱ¶¼¿ÉÄܻᷢÉú´ËÎÊÌâ¡£ÀýÈ磬ÔÚʹÓà SQLCMD ʵÓù¤¾ßÁ¬½Óµ½ SQL Server ʱÊÕµ½ÒÔÏ´íÎóÏûÏ¢£º
Sqlcmd:´íÎó:Microsoft SQL Native Cli ......
Student(S#,Sname,Sage,Ssex) ѧÉú±í
Course(C#,Cname,T#) ¿Î³Ì±í
SC(S#,C#,score) ³É¼¨±í
Teacher(T#,Tname) ½Ìʦ±í
ÎÊÌ⣺
1¡¢²éѯ“001”¿Î³Ì±È“002”¿Î³Ì³É¼¨¸ßµÄËùÓÐѧÉúµÄѧºÅ£»
select a.S# from (select s#,score from SC where C#='001') a,(select s#,score
& ......