What is the null value for DateTime in C#?

What is the null value for DateTime in C#?

C# Nullable DateTime DateTime is a Value Type like int, double etc. so there is no way to assigned a null value.

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.

IS NULL with date?

If you’re checking whether or not the value is NULL , there is no need to convert it to a date, unless you wanted to return a date value (which you don’t seem to). if the value is NULL . A NULL date is NULL (no value).

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.

What is the default value for DateTime in C#?

The default and the lowest value of a DateTime object is January 1, 0001 00:00:00 (midnight).

How do I pass DateTime NULL in SQL?


  1. string sqlStmt;
  2. string conString;
  3. SqlConnection cn = null;
  4. SqlCommand cmd = null;
  5. SqlDateTime sqldatenull;
  6. try {
  7. sqlStmt = “insert into Emp (FirstName,LastName,Date) Values (@FirstName,@LastName,@Date) “;
  8. conString = “server=localhost;database=Northwind;uid=sa;pwd=;”;

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 .

How do you find the null value of a date?

if (date == null) {…} Check if it is not null: if (date != null) {…}

What is default value for DateTime in C#?

What is DateTime MinValue in C#?

The value of this constant is equivalent to 00:00:00.0000000 UTC, January 1, 0001, in the Gregorian calendar. MinValue defines the date and time that is assigned to an uninitialized DateTime variable. The following example illustrates this. C# Copy.

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.

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