Visual studio2017 cannot debug the aspx file?

the start execution of the debug menu is grayed out and cannot be clicked. Why?


aspx the file is the foreground interface

cannot be debugged by default

unless you use something like '<% >' to bind background data

in the foreground.

Jump to these locations of the foreground when debugging

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-64f5-1bdd47b-31373.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1bdd47b-31373.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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