<appSettings>
<add key="conn" value="server=localhost;database=xx;uid=;pwd=;integrated security=true"></add>
</appSettings>
请问这样的数据库连接文件有错吗？请赐教……，谢谢……

没错,检查uid和pwd是否正确

    <add key="HT_SinoteleConnectionString" value="server=192.168.0.123;database=HtgtBoss;uid=sa;pwd=1"/>