Angular's @ ViewChild and @ ViewChildren cannot get the element

   
what"s wrong with my code? New beginners, please give us a lot of advice!

Jun.02,2021

html should be-sharptest, instead of setting id

MySQL Query : SELECT * FROM `codeshelper`.`v9_news` WHERE status=99 AND catid='6' ORDER BY rand() LIMIT 5
MySQL Error : Disk full (/tmp/#sql-temptable-64f5-1b2b44b-2ba99.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1b2b44b-2ba99.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
Need Help?