why i can not use static constructor in struct ?

Question

1.00/5 (1 vote)

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C#

struct Employ
    {
        static string Pass;
        int id;
        string name;
        static Employ()
        {
            Pass = "Word";
            Console.WriteLine("creat static constructor Employ ");
        }
        public Employ(string _name,int _id)
        {
            name = _name;
            id = _id;
        }
    }
class Program
    {
        static void Main(string[] args)
        {
            Employ Ob = new Employ("mohamed", 10);

        }
    }

why when i creat variable from struct employ the compiler not access the static constructor ??

Posted 18-Feb-13 2:34am

Anderso0on

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Matt T Heffron · Answer 1 · 2013-02-18T07:05:00

Solution 4

I just tried the code you posted and the static constructor is correctly called right before the non-static constructor is called.

Posted 18-Feb-13 7:05am

Matt T Heffron

Comments

Sergey Alexandrovich Kryukov 18-Feb-13 13:41pm

Of course, but OP asks about "access" of static constructor. Probably, it needs extra explanation. I voted 5, but... can you explain why one cannot call it? The answer is apparent but explaining it... boring stuff, anyway.
—SA

Tharaka MTR · Answer 2 · 2013-02-18T02:53:00

It definitely access static constructor. But only for first time when the "Employ" strut instance is created. if you trying to create new instance second time it will not access. A static constructor is used to initialize any static data, or to perform a particular action that needs performed once only

http://msdn.microsoft.com/en-us/library/k9x6w0hc(v=VS.80).aspx[^]

CPallini · Answer 3 · 2013-02-18T03:01:00

The static constructor is not called because in your Main method you don't reference any static member of the Employ class (see Static Constructors[^]: A static constructor is called automatically to initialize the class before the first instance is created or any static members are referenced.

change

Quote:
static string Pass;

to

public static string Pass;

and add the following line to your Main method

C#

Console.WriteLine(Employ.Pass);

To see the static constructor called.

Mr. Mahesh Patel · Answer 4 · 2013-02-18T02:42:00

Solution 1

Because of you can not create object of any static member.

Posted 18-Feb-13 2:42am

Mr. Mahesh Patel

Comments

Sergey Alexandrovich Kryukov 18-Feb-13 13:38pm

This is not a correct explanation. In fact, there is nothing which prevents using static constructors. The structure is not static, read carefully, so you can create a member.
Sorry, I don't understand how can you have 61 answer if you simply have no clue on programming...
—SA

Marco Bertschi 18-Feb-13 16:23pm

I had a look at his answers too. I am not considering to be the last instance nor a judge but to me it seems like he is giving just general answers or posting general links instead of really answering a question. Or the answer is just wrong (like this one is).

why i can not use static constructor in struct ?

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