Special getter and setter syntax in C#

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Following is the way I found that is used to create getter and setter in C#.
My question is how can I access getter and setter methods from instance.

C#

class A
{
    public int id { get; set; }
};

I have tried following but id does not work.

A a = new A();
a.getid();

Posted 14-Dec-13 4:42am

Labeeb Ahmad

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BillWoodruff 14-Dec-13 11:34am

I think it's a very good thing to keep .NET's "dot notation" in mind: any time you want to access, or reference, something inside another object/class/form/container/library of methods, just think of the outer "whatever" followed by a dot, and then name of the "inner" whatever.

And, in your development environment, just typing a name followed by a dot should pop-up a list of the elements exposed in that "whatever." So you can use the IDE to really educate yourself.

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OriginalGriff · Answer 1 · 2013-12-14T04:48:00

It's simpler than that:

C#

A a = new A();
int id = a.id;
a.id = 666;

The syntax you are talking of is called an autoimplemented or automatic property, and it's just a short form for:

C#

private int _id;
public int id { get { return _id; } set { _id = value; }}

The compiler generates the _id backing field.

BTW: The standrad is to use and initial uppercase letter foe properties, so your code should really be:

C#

class A
{
    public int Id { get; set; }
}
...
    A a = new A();
    int id = a.Id;
    a.Id = 666;
...