thay đổi
$insertData = "INSERT INTO tbl_dealer (dlrUsrnme,dlrPaswrd,isactive,contName,contPhone,contEmaill,lastUpdtTime,creationTime) VALUES('$_POST[Username]','$pass','$_POST[Status]','$_POST[Name]','$_POST[Phone]','$_POST[Email]','$time','$time')";
đến
$insertData = "INSERT INTO tbl_dealer (dlrUsrnme,dlrPaswrd,isactive,contName,contPhone,contEmaill,lastUpdtTime,creationTime) VALUES('".$_POST[Username]."','".$pass."','".$_POST[Status]."','".$_POST[Name]."','".$_POST[Phone]."','".$_POST[Email]."','".$time."','".$time."')";