Tags c# params null in arabic c# optional parameter null in arabic c# optional parameter nullable in arabic c# parameter nullable in arabic c# parameter int null in arabic c# optional int parameters in arabic c# method overloading vs optional parameters in arabic Dot Net and SQL Server Tutorials in English https://www.youtube.com/user/kudvenkat/playlists?view=1&sort=dd Dot Net and SQL Server Tutorials in Arabic https://www.youtube.com/c/KudvenkatArabic/playlists