请问这条mysql查询语句错在哪里?
$sqlquery="select username from bscinfo where username=$username";
$queryresult=mysql_query($sqlquery);
那一段代码:
$connect=mysql_connect("localhost","root","")
or die ("Could not connect to database! ");
$result=mysql_select_db("users")
or die ("Could not select users database!");
$sqlquery="select username from bscinfo where username=$username";
$queryresult=mysql_query($sqlquery) or die("error");
每次都是显示error请高人指点.