Windows身份验证: Data Source=.;Initial Catalog=MyItcast;Integrated Security=True
数据库身份验证: Data Source=.;Initial Catalog=MyItcast;user id=sa;password=sa;
完整方式:
<connectionStrings>
<add name="conn" connectionString="Data Source=.;Initial Catalog=MyItcast;uid=sa;pwd=sa"/>
</connectionStrings>