Nullable types: better way to check for null or zero in c#(可空类型:在 c# 中检查空值或零的更好方法)

string.Empty vs null.Which one do you use?(string.Empty vs null.你使用哪个?)

Shortest way to check for null and assign another value if not(检查空值的最短方法，如果不是，则分配另一个值)

How to alter a .NET DateTimePicker control to allow enter null values?(如何更改 .NET DateTimePicker 控件以允许输入空值?)

How to make a value type nullable with .NET XmlSerializer?(如何使用 .NET XmlSerializer 使值类型可以为空?)

C# null coalescing operator equivalent for c++(C# 空合并运算符等效于 C++)

The || (or) Operator in Linq with C#(||(或)C# 中的 Linq 运算符)

What does the question mark in member access mean in C#?(成员访问中的问号在 C# 中是什么意思?)

Overriding == operator. How to compare to null?(覆盖 == 运算符.如何与空值进行比较?)

Equals(item, null) or item == null(Equals(item, null) 或 item == null)

How to check if String is null(如何检查字符串是否为空)

What is the difference between Nullablelt;Tgt;.HasValue or Nullablelt;Tgt; != null?(NullableT.HasValue 或 NullableT 之间有什么区别?!= 空?)

Deep null checking, is there a better way?(深度空检查，有没有更好的方法?)

What is the difference between quot;x is nullquot; and quot;x == nullquot;?(“x 为空和“x 为空有什么区别?和“x == null?)

Json Convert empty string instead of null(Json 转换空字符串而不是 null)

C#: Passing null to overloaded method - which method is called?(C#:将 null 传递给重载方法 - 调用哪个方法?)

How do I handle null or optional DLL struct parameters(如何处理 null 或可选的 DLL 结构参数)

Delete user in active directory using c#(使用c#删除活动目录中的用户)

Where is the domain name in a UserPrincipal object?(UserPrincipal 对象中的域名在哪里?)

How do I detect if my program runs in an Active Directory environment?(如何检测我的程序是否在 Active Directory 环境中运行?)