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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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using System.Xml;
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using System.Collections.Generic;   
using System.Text;   
using System.Security.Cryptography;//CryptographyÃÜÂëÊõ   
namespace DAL   
{   
    public class Enc ......

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{
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openFile.Filter = ("Excel Îļþ(*.xls)|*.xls") ......

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