几种数据库连接

1 用户名密码  .  也可以换成ip地址  也可以换成 Localhost

<connectionStrings>
        <add name="jghua" connectionString="Data Source=.;Initial Catalog=chy;Persist Security Info=True;User ID=sa;Password=sasa" />
    </connectionStrings>

2  window 身份验证

<connectionStrings>
    <add name="jghua" connectionString="Data Source=.;Initial Catalog=MILAIshop;Integrated Security=True" />
  </connectionStrings>