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using System;
using System.Collections.Generic;
using System.Text;
using System.Configuration;
namespace Aqioo.Mall.Data
{
public class DatabaseDAL
{
public DatabaseDAL()
{
}
/// <summary>
/// 连接字符串
/// </summary>
//internal static string ConnectionString = "data source=; initial catalog=; User ID=; Password=";
internal static string ConnectionString = ConfigurationManager.ConnectionStrings["AqiooMallSQLConnString"].ConnectionString;
internal static string MainConnectionString = ConfigurationManager.ConnectionStrings["db_aqiooConnectionString"].ConnectionString;
private Microsoft.Practices.EnterpriseLibrary.Data.Sql.SqlDatabase _db;
public Microsoft.Practices.EnterpriseLibrary.Data.Sql.SqlDatabase DB
{
get
{
if (_db == null)
{
_db = new Microsoft.Practices.EnterpriseLibrary.Data.Sql.SqlDatabase(ConnectionString);
}
return _db;
}
}
public Microsoft.Practices.EnterpriseLibrary.Data.Sql.SqlDatabase MainDB
{
get
{
if (_db == null)
{
_db = new Microsoft.Practices.EnterpriseLibrary.Data.Sql.SqlDatabase(MainConnectionString);
}
return _db;
}
}
}
}
或者继承上面这个如何?