asp.net 多数据库支持的思考

复制代码 代码如下:

<connectionStrings>
<add connectionString="server=(local);user id=sa;pwd=123456;database=mycms;"/>
</connectionStrings>

复制代码 代码如下:

using System;
using System.Collections.Generic;
using System.Text;
using System.Configuration;
using System.Data;
using System.Data.Common;
namespace COMMON
{
public class Class1
{
public DbConnection GetDatabaseConnection()
{
ConnectionStringSettings settings = ConfigurationManager.ConnectionStrings["Conn"];
DbProviderFactory factory = DbProviderFactories.GetFactory(settings.ProviderName);
DbConnection conn = factory.CreateConnection();
conn.ConnectionString = settings.ConnectionString;
return conn;
}
}
}

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