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ÐèҪעÒâµÄÊÇpage_loadÀïÃæµÄ´´½¨´æ´¢¹ý³ÌÖ»ÄÜÖ´ÐÐÒ»´Î£¬Èç¹ûµÚ¶þ´Î»¹Òª´´½¨Í¬ÃûµÄ»°»áÌáʾ´íÎóÐÅÏ¢“´æ´¢¹ý³ÌÒѾ´æÔÚ¡£”£¬Æäʵ¼Ó¸öÅжϾÍÐÐÁË¡£ÀÁµÃ¼ÓÁË£¬Ö»ÊÇÓÃÀ´ÊÔÑéһϡ£
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protected void Page_Load(object sender, EventArgs e)
{
OleDbConnection oledb = new OleDbConnection();
oledb.ConnectionString = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=D:\\asp99cms.mdb;Jet OLEDB:Database Password=";
oledb.Open();
if (oledb.State == ConnectionState.Open)
{
string str = "Create proc pr_test(@uid int) As select * from Download where [ID]=@uid";
OleDbCommand olecom = new OleDbCommand();
olecom.CommandText = str;
olecom.Connection = oledb;
olecom.ExecuteNonQuery();
oledb.Dispose();
}
oledb.Close();
oledb.Dispose();
}
protected void Button2_Click(object sender, EventArgs e)
{
OleDbConnection oledb = new OleDbConnection();
oledb.ConnectionString = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=D:\\asp99cms.mdb;Jet OLEDB:Database Password=";
oledb.Open();
if (oledb.State == ConnectionState.Open)
{
OleDbCommand olecom = new OleDbCommand("pr_test",oledb);
olecom.CommandType = CommandType.StoredProcedure;
olecom.Parameters.Add(new OleDbParameter("@uid",OleDbType.Integer)).Value=TextBox1.Text;
olecom.Connection = oledb;
OleDbDataReader oledr;
oledr=olecom.ExecuteReader();
oledr.Read();
if (oledr.HasRows)
{
Response.Write("´æ´¢¹ý³ÌÖ´Ðгɹ¦");
}
oledr.Close();
oledr.Dispose();
oledb.Dispose();
}
oledb.Close();
oledb.Dispose();
}
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Date ·µ»Øµ±Ç°ÈÕÆÚ
DateAdd ½«Ö¸¶¨ÈÕÆÚ¼ÓÉÏij¸öÈÕÆÚselect dateAdd("d",30,Date())½«µ±Ç°ÈÕÆÚ¼ÓÉÏ30Ìì,ÆäÖÐd¿ÉÒÔ»»Îªyyyy»òHµÈ
DateDiff ÅжÏÁ½¸öÈÕÆÚÖ®¼äµÄ¼ä¸ô select DateDiff("d","2006-5-1","2006-6-1")·µ»Ø31,ÆäÖÐd¿ÉÒÔ»»Îªyyyy,m,HµÈ
DatePart ·µ» ......
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using System.Data;
using System.Data.OleDb;
......
string strConnection="Provider=Microsoft.Jet.OleDb.4.0;";
strConnection+=@"Data Source=C:\BegASPNET\Northwind.mdb" ......
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°ÑÒ»Õź¬ÓГ±¸×¢”×ֶεıíͨ¹ýODBCµ¼³öµ½OracleµÄʱºòÒ»Ö±³öÏÖÈçÉÏͼËùʾµÄÌáʾÐÅÏ¢¡£³¢ÊÔÈ¥µôÏà¹Ø×Ö¶ÎÖпոñ×Ö·û£¬È¥µô×Ö¶ÎΪ¿ÕµÄ¼Ç¼£¬»¹Êǵ¼³öʧ°Ü¡£×îºóżȻ·¢ÏÖ£¬ÖØÐ½¨Ò»ÕÅÏàͬ½á¹¹µÄ¿Õ±í£¬È»ºó¸´ÖÆÔ±íµÄ¼Ç¼£¬ÔÙÕ³Ìùµ½Ð±íÖУ¬µ¼³öµ½Oracle¾ ......
Ò»¡¢ADO¼ò½é
ADO(Active Data Object£¬»î¶¯Êý¾Ý¶ÔÏó)ʵ¼ÊÉÏÊÇÒ»ÖÖ»ùÓÚCOM(×é¼þ¶ÔÏóÄ£ÐÍ)ÖеÄ×Ô¶¯»¯½Ó¿Ú(IDispatch)¼¼Êõ£¬²¢ÒÔOLE DB(¶ÔÏóÁ¬½ÓºÍÏâÈëµÄÊý¾Ý¿â)Ϊ»ù´¡£¬¾¹ýOLE DB¾«Ðİü×°ºóµÄÊý¾Ý¿â·ÃÎʼ¼Êõ£¬ÀûÓÃËü¿ÉÒÔ¿ìËٵĴ´½¨Êý¾Ý¿âÓ¦ÓóÌÐò¡£
ADOÌṩÁËÒ»×é·Ç³£¼òµ¥£¬½«Ò»°ãͨÓõÄÊý¾Ý·ÃÎÊϸ½Ú½øÐзâ×°µÄ¶ÔÏó¡£ÓÉÓ ......
#include "iostream.h"
#include "stdio.h"
#import "C:\program files\common files\system\ado\msado15.dll" no_namespace rename("EOF","adoEOF")
int main(int argc, char* argv[])
{
::CoInitialize(NULL);
_ConnectionPtr m_pConnection;
m_pConnection.CreateInstance("ADODB.Connection");
tr ......