C-sharp generic method reports an error

1. There are two entity classes, one of which is as follows:

bool compareResult = CompareProperties(user1, user2);
Mar.19,2021

if you need to accept two different types of parameters, the CompareProperties method needs to be defined as follows:

private static bool CompareProperties<T1, T2>(T1 obj1, T2 obj2)
{
}
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-64f5-1b3aac3-2c25e.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1b3aac3-2c25e.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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