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using System.Configuration;
using System.Data;
using System.Linq;
using System.Web;
using System.Xml.Linq;
using System.Data.SqlClient;
using System.Data.OleDb;
using System.Reflection;
 
namespace ClassLibrary1
{
    /// <summary>
    ///AbstractUser³éÏóÀà
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    public abstract clas


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