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using System.Data.OleDb; //ÕâÀïÒªÒýÓÃOleDb¿Õ¼ä
public partial class addInfo : System.Web.UI.Page
{
//Êý¾Ý¿âÁ¬½Ó×Ö·û´®
static string strCon = @"provider = Microsoft.Jet.OLEDB.4.0;Data source = |DataDirectory|gyMDB.mdb";
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<connectionStrings>
<add name="ydycon" connectionString="Provider=Microsoft.Jet.OLEDB.4.0;
Data Source=|DataDirectory|ydy.mdb" providerName="System.Data.OleDb"/>
</connectionStrings>
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2008-04-10 09:45 //*******FactoryManage.cs using System;
using System.Reflection;
using System.Configuration;
using CoalTraffic.IDAL; namespace CoalTraffic.DALFactory
{
/// <summary>
/// ³éÏ󹤳§Ä£Ê½´´½¨DAL¡£
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Îı¾ nvarchar(n)
±¸×¢ ntext
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Êý×Ö(ÕûÐÍ) smallint
Êý×Ö(µ¥¾«¶È) real
Êý×Ö(Ë«¾«¶È) float
Êý×Ö(×Ö½Ú) tinyint
»õ±Ò money
ÈÕÆÚ smalldatetime
²¼¶û bit
¸½£º×ª»»³ÉSQLµÄ½Å±¾¡£
ALTER TABLE tb ALTER COLUMN aa Byte Êý×Ö[×Ö½Ú]
ALTER TABLE tb ALTER COLUMN aa Long Êý×Ö[³¤ÕûÐÍ]
ALTER T ......