HTTP Error 500.19

When a website is published, an Error "HTTP Error 500.19-Internal Server Error" occurs during browsing.

The following steps may be taken to solve the problem:

1. Open and run. Enter cmd to enter the Command Prompt window.

2. Go to the C: \ WINDOWS \ Microsoft. NET \ Framework \ v2.0.50727 directory.

3 input aspnet_regiis.exe-I to execute

The 64-bit system path is C: \ WINDOWS \ Microsoft. NET \ Framework64 \ v2.0.50727.

 

Add an SQL statement:

SQL null value sorting: select * from table order by col desc nulls last, "nulls last" to sort the null value records. Otherwise, you can also use "nulls first" to place records at the beginning.