DateTime is a value type – a structure. With value types, when you do something like: DateTime a2 = a1; a2 gets a copy of the values of a1.
What is a DateTime value?
The DateTime value type represents dates and times with values ranging from 12:00:00 midnight, January 1, 0001 Anno Domini, or A.D. (also known as Common Era, or C.E.) through 11:59:59 P.M., December 31, 9999 A.D. (C.E.) DateTime? can be null however.
Is DateTime a class?
It is creating an instance of a struct. Structs can have constructors too, and they are initialized (in C#) using the same syntax as classes, despite being structs. A type cannot be a struct and a by-reference type at the same time. Both constructs make a DateTime, which is a value type (also known as the struct ).
Is DateTime a primitive type?
DateTime ) is a primitive type of the Visual Basic.
What is a DateTime variable?
Description. A variable of type DATETIME stores a date plus a time calculated to microseconds. The DATETIME data type represents values from 4713 B.C.E. (B.C.) to 19999 C.E. (A.D.).
Is DateTime a reference type?
The first is that DateTime is a value type (a.k.a. a struct) while Person is [presumably] a reference type (a class). Because of this, when you do: DateTime date1 = DateTime.
Is DateTime a data type in C#?
Date and Time in C# are two commonly used data types. Both Date and Time in C# are represented using C# DateTime class. This tutorial is all about how to work with Date and Time in C# using C# DateTime class and its methods and properties. DateTime Constructor, Field, Methods and Properties.
What is default value for DateTime in C#?
The default and the lowest value of a DateTime object is January 1, 0001 00:00:00 (midnight).
Does DateTime have timezone?
DateTime itself contains no real timezone information. It may know if it’s UTC or local, but not what local really means. DateTimeOffset is somewhat better – that’s basically a UTC time and an offset.
Is DateTime a word?
7 Answers. “DateTime” is often used for this. “Timepoint” or “timestamp”, while being an actual words, aren’t any shorter.
How many bytes is a datetime?
DATETIME: Eight bytes: A four-byte integer for date packed as YYYY×10000 + MM×100 + DD and a four-byte integer for time packed as HH×10000 + MM×100 + SS.
What are primitive data types in C?
In C, there are about seven primitive data types. These data types are: short, int, long, char, float, double and few of their variants.
What is primitive data type in C sharp?
The most famous primitive data types are: int, object, short, char, float, double, char, bool. They are called primitive because they are the main built-in types, and could be used to build other data types. The story is, data types like int, short, char, float, double & bool are actually structs.
Is DateTime a struct?
If you want a reference, use DateTime? instead. Nullable<T> is a struct, therefor Nullable<DateTime> is a struct too. DateTime is also a struct.
What is a DateTime?
The DateTime value type represents dates and times with values ranging from 00:00:00 (midnight), January 1, 0001 Anno Domini (Common Era) through 11:59:59 P.M., December 31, 9999 A.D. (C.E.) in the Gregorian calendar. A DateTime value is always expressed in the context of an explicit or default calendar.
Can DateTime be null C#?
DateTime itself is a value type. It cannot be null. No — DateTime is a struct in C# and structs (value types) can not be null.