Warning: mssql_connect() [function.mssql-connect]: message: Login failed for user ''. (severity 14) in D:\xampp\htdocs\DutySystem\MarkingTeacher\functions.php on line 25

Warning: mssql_connect() [function.mssql-connect]: Unable to connect to server: in D:\xampp\htdocs\DutySystem\MarkingTeacher\functions.php on line 25
MSSQL connect failed. Login failed for user ''.