尝试链接此

try link this

Data Source=190.190.200.100,1433;Network Library=DBMSSOCN;Initial Catalog=myDataBase;User ID=myUsername;Password=myPassword;

另请参见此链接 http://connectionstrings.com/postgre-sql

谢谢
--RA

see this link also http://connectionstrings.com/postgre-sql

Thanks
--RA