C# 程式設計/關鍵字/null

關鍵字 null 表示對引用型別變數的空值，即對從 System.Object 派生的任何型別的變數的空值。在 C# 2.0 中，null 還表示對可空值型別變數的空值。

C# 關鍵字
abstract as base bool break byte case catch char checked class const continue decimal default delegate do double else enum event explicit extern false finally fixed float for foreach goto if implicit in int interface internal is lock long namespace new null object operator out override params private protected public readonly ref return sbyte sealed short sizeof stackalloc static string struct switch this throw true try typeof uint ulong unchecked unsafe ushort using var virtual void volatile while
特殊 C# 識別符號（上下文關鍵字）
add alias async await dynamic get global nameof partial remove set value when where yield
上下文關鍵字（在查詢中使用）
ascending by descending equals from group in into join let on orderby select where