What is the minimum DateTime value in C#?

DateTime. MinValue is the minimum value that can be assigned to a DateTime variable.It is equal to “1/1/0001 12:00:00 AM”. As value types can not be assigned null values like reference types so they always have some default initial value.

Is DateTime value type C#?

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 the default value of string in C#?

Table 3.12. Default Values

Type Default
decimal 0.0m
bool false
object null
string null

Is DateTime nullable by default C#?

By default DateTime is not nullable because it is a Value Type, using the nullable operator introduced in C# 2, you can achieve this.

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.

What is the minimum DateTime value in SQL?

@Tomalak: 1/1/1753 is the minimum value for the datetime type. For a column indicating when something was last modified NULL is the logical choice to represent “never”.

What type is DateTime C#?

C# DateTime is a structure of value Type like int, double etc. It is available in System namespace and present in mscorlib. dll assembly. It implements interfaces like IComparable, IFormattable, IConvertible, ISerializable, IComparable, IEquatable.

What is default value of Object C#?

The default value for classes is null . For structures, the default value is the same as you get when you instantiate the default parameterless constructor of the structure (which can’t be overriden by the way). The same rule is applied recursively to all the fields contained inside the class or structure.

What is default string value?

Default Values

Data Type Default Value (for fields)
float 0.0f
double 0.0d
String (or any object) null

Can we assign null to DateTime in C#?

Using the DateTime nullable type, you can assign the null literal to the DateTime type. A nullable DateTime is specified using the following question mark syntax.

How do you check if a DateTime field is not null or empty in C#?

Use model. myDate. HasValue. It will return true if date is not null otherwise false.

Can DateTime be null?

DateTime is a value type (structure) and has default value 1/1/0001 12:00:00 AM. we can compare it with null but can not hold null as it is value type unless made it as nullable datatype.