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ALTER PROCEDURE dbo.procShowLog
    (
    @StartTime datetime,
    @EndTime datetime,
    @LogSite varchar(20),
    @UserName varchar(30)
    )
AS
    /* SET NOCOUNT ON
*/
BEGIN
 
IF(@UserName = ‘’)
   
    BEGIN
 
        select *
from tbLog where LogInTime
> @StartTime and LogInTime < @EndTime and LogSite = @LogSite;
   
    END;
 
ELSE
 
    BEGIN
 
    select * from tbLog where LogInTime
> @StartTime and LogInTime < @EndTime and LogSite = @LogSite and UserName
= @UserName;
        
    END;
    
                
    RETURN
   
END;
 
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/// <summary>
        /// Ö´Ðд洢¹ý³Ì·µ»ØÒ»¸ö±í¡£
        /// </summary>
        /// <param
name="proName">´æ´¢¹ý³ÌÃû</param>
        /// <param
name="paraValues">²ÎÊýÖµÁбí</param>
        /// <returns>DataTable¶ÔÏó</returns>
        public static DataTable getDataTable(string proName, SqlParameter[]
paraValues)
        {
            SqlConnection
sqlcon = getConnection();
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1 using System;
 2 using System.Collections;
 3 using System.Configuration;
 4 using System.Data;
 5 using System.Linq;
 6 using System.Web;
 7 using System.Web.Security;
 8 using&nbs ......

C#ʵÏÖAccessµ¼Èëµ¼³öExcel

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1.Óõ½µÄExcel±íµÄ¸ñʽ¼°ÄÚÈÝ
 
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 OleDbConnection con = new OleDbConnection();
try
{
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openFile.Filter = ("Excel Îļþ(*.xls)|*.xls") ......

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ίÍкÍʼþÔÚ .Net FrameworkÖеÄÓ¦Ó÷dz£¹ã·º£¬È»¶ø£¬½ÏºÃµØÀí½âίÍкÍʼþ¶ÔºÜ¶à½Ó´¥C#ʱ¼ä²»³¤µÄÈËÀ´Ëµ²¢²»ÈÝÒס£ËüÃǾÍÏñÊÇÒ»µÀ¼÷¶ù£¬¹ýÁËÕâ¸ö¼÷µÄÈË£¬¾õµÃÕæÊÇÌ«ÈÝÒ×ÁË£¬¶øÃ»ÓйýÈ¥µÄÈËÿ´Î¼ûµ½Î¯ÍкÍʼþ¾Í¾õµÃÐÄÀï±ð£¨bi裩µÃ»Å£¬»ìÉí²»×ÔÔÚ¡£±¾ÎÄÖУ¬ÎÒ½«Í¨¹ýÁ½¸ö·¶ÀýÓÉdzÈëÉîµØ½²ÊöʲôÊÇίÍС¢ÎªÊ²Ã´ÒªÊ¹Ó ......

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1. ¼òÊö private¡¢ protected¡¢ public¡¢ internal ÐÞÊηûµÄ·ÃÎÊȨÏÞ¡£
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public : ¹«¹²³ÉÔ±£¬ÍêÈ«¹«¿ª£¬Ã»ÓзÃÎÊÏÞÖÆ¡£ 
internal: ÔÚͬһÃüÃû¿Õ¼äÄÚ¿ÉÒÔ·ÃÎÊ¡£
 
 
2 .ÁоÙASP.N ......

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Observer.cs
using System;
using System.Text;
using System.Collections.Generic;
namespace Observer
{
   
    public interface ISubject
    {
        void RegisterObserver(IOvserver o);
    & ......
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