SQL »ù±¾²Ù×÷ ɾ³ý ÐÞ¸Ä Ë¢Ð Ð޸İæ
C# Êý¾Ý¿âÖ®ÂÃ……
¼ÌÐø½ø¹¥²ã³ö²»ÇîµÄproblems
ÔÚÉÏһƪÄÚÈݵĻù´¡ÉÏ£¬ÎÒÓÖ×÷ÒԸĽø£¬ÏÖÔÚµÄÇé¿öÊÇÕâÑùµÄ£º
//In Browseuser form
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using System.Configuration;
using System.Data.SqlClient;
namespace Str
{
public partial class Browseuser : Form
{
public Browseuser()
{
InitializeComponent();
}
//define Êý¾Ý¼¯¶ÔÏódsÓÃÓÚ±£´æ²éѯ·µ»ØµÄ½á¹û¼¯
DataSet ds;
private void Browseuser_Load(object sender, EventArgs e)
{
string strConnection = ConfigurationSettings.AppSettings["connectionstring"];
SqlConnection objConnection = new SqlConnection(strConnection);
objConnection.Open();
string sql = "select userid as userid,name as name from judging";
SqlDataAdapter adp = new SqlDataAdapter(sql, objConnection);
ds = new DataSet();
ds.Clear();
adp.Fill(ds, "judging");
dataGridView1.DataSource=ds. Tables[0].DefaultView;
dataGridView1.Refresh();
this.judgingTableAdapter.Fill(this.masterDataSet.judging);
}
/**********************************************************************************************/
/*ÖÁ´ËÍê³ÉÁ˽«Êý¾Ý¿âjudgingÖеÄÄÚÈÝÈ«²¿ÏÔʾÔÚÐÂform——BrowseuserÉÏ*/
/**********************************************************************************************/
private void dataGridView1_CellContentClick(object sender, DataGridViewCellEventArgs e)
{
}
private void button3_Click(object sender, EventArgs e)
{
this.Close();
}
//define a delegate instance in order to refresh
delegate void UseF();
/****************
Ïà¹ØÎĵµ£º
ÉÏ´Î×öÁ˸öÏîÄ¿£¬Éæ¼°µ½Êý¾Ý¿âµÄ»¹ÔºÍ»Ö¸´£¬µ½ÍøÉÏÕÒÁËһϣ¬ÊÇÀûÓÃSQLDMOʵÏֵģ¬Ö»ÒªÌí¼ÓSQLDMOÒýÓþͺÃÁË£¬È»ºóÀûÓÃϱߵÄÀàµÄ·½·¨¾Í¿ÉÒÔʵÏÖÁË¡£
¡¡¡¡ÎÒ°ÑÔ×÷ÕßµÄÀàÀ©³äÁËһϣ¬¿ÉÒÔ×Ô¶¯Ê¶±ðweb.configÀï µÄÊý¾Ý¿âÁ¬½Ó×Ö·û´®£¬¿ÉÒÔͨ¹ý±äÁ¿ÉèÖû¹Ô»Ö¸´µÄÐÅÏ¢¡£
¡¡¡¡ÐèҪעÒâµÄʱ»¹Ô£¬»¹ÔµÄʱºòÎÊÌâ×î´óÁË£¬Óбð ......
¾ßÌåҪעÒâµÄ£º
1.Ó¦¾¡Á¿±ÜÃâÔÚ where ×Ó¾äÖжÔ×ֶνøÐÐ null ÖµÅжϣ¬·ñÔò½«µ¼ÖÂÒýÇæ·ÅÆúʹÓÃË÷Òý¶ø½øÐÐÈ«±íɨÃ裬È磺
select id from t where num is null
¿ÉÒÔÔÚnumÉÏÉèÖÃĬÈÏÖµ0£¬È·±£±íÖÐnumÁÐûÓÐnullÖµ£¬È»ºóÕâÑù²éѯ£º
select id from t where num=0 &n ......
¸Õ×°ÍêÊý¾Ý¿â¾Í±»ÈË·è¿ñɨÃèsa£¬ÎÞ±ÈÓôÃÆ¡£
¸ÄsaÃû³Æ£¬1433¶Ë¿ÚºÅ£¬ÒòΪ¿ª·¢ÐèÒª»¹±ØÐë´ò¿ªÔ¶³ÌÁ¬½Ó£¬½á¹ûÔÚ¿Í»§¶ËÎÞÂÛÈçºÎ¶¼²»ÄÜÁ¬½ÓÉÏ·þÎñÆ÷¡£
¿ñº¹Çë°Ù¶È´óÉñ³öÂí£¬°Ñ¸÷ÖÖÅäÖÃÁ·Á˸öÊ죬½á¹û»¹ÊÇû½â¾ö¡£
¸ãЦµÄÊÇ×îºóÎÞÒâÖÐÔÚMicrosoftÂÛ̳ÉÏ¿´µ½Õâôһ¾ä£¬ÐÞ¸ÄÍê¶Ë¿ÚºÅ£¬ÔÚ¿Í»§¶ËµÇ¼µÄʱºòÒªÔÚIPºóÃ棫¶ººÅ£«¶Ë¿Úº ......
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 ......
declare @SchemaName nvarchar(50)
set @SchemaName='dbo'
declare @CommandName nvarchar(50)
set @CommandName='spName'
SELECT
DB_NAME() AS [PROCEDURE_CATALOG],
  ......