三層架構之數據庫訪問層(doc 6頁)

三層架構之數據庫訪問層內容提要：
using System;
using System.Data;
using System.Data.SqlClient;
using System.Configuration;
namespace DbBase
{
public abstract class Base
{
#region "Fields of base calss"
protected static string strConn = ConfigurationSettings.AppSettings["strConnection"];
protected static string strSQL;
#endregion
#region "Properties of base class"
}
#endregion

#region "Functions of base class"
public Base()
{
//
// TODO: Add constructor logic here
//
}
///

/// executing SQL commands
///

/// string
/// return int
protected static int ExecuteSql(string strSQL)

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