labview连接sqlserver报错：
连接语句：Driver={SQL Native Client};Server=localhost;Database=VOC;Trusted_Connection=yes;
错误提示：NI_Database_API.lvlib:DB Tools Open Connec (String).vi->OpenDatabase.vi<ERR>ADO Error: 0x80040E4D
NI_Database_API.lvlib:DB Tools Open Connec (String).vi->OpenDatabase.vi中的Exception occured in Microsoft OLE DB Provider for ODBC Drivers: [Microsoft][SQL Native Client][SQL Server]用户 'RHLAdministrator' 登录失败。

请问这是什么问题.