Modern C# and .NET Tutorial: Cross-Platform Basics/

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Storing Data Within Fields

Storing Data Within Fields

Learn about defining fields and storing data with a step-by-step guide to field declaration and initialization in C#.

We'll cover the following...

We’ll now define a selection of fields in the class to store information about a person.

Defining fields

Let’s say we have decided that a person is composed of a name and a date of birth. We will encapsulate these two values inside a person, and the values will be visible outside it:

  • Inside the Person class, write statements to declare two public fields for storing a person’s name and date of birth, as highlighted in the following code:

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public class Person : object
{
    // fields
    public string? Name;
    public DateTime DateOfBirth; 
}

Data type for DateOfBirth field

We have multiple choices for the data type of the DateOfBirth field. .NET 6 introduced the DateOnly type. This would store only the date without a time value. DateTime stores the date and time of when the person was born. An ...