Memory allocation of a class

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C#

Hi,

Just trying to get my basics right. If I declare a class with a string variable, an int, and a datatable and i instantiate it how much memory it will consume.

class A
{
private int i;
private string s

public int ii
{
   get; set;
}
public string ss
{
   get;set;
}
}

class B
{
    A obj = new A();
    A.ii = 23;

}

Here I would like to know how much memory space will be allotted when I instantiate the class( A obj=new A(); ). Now how much memory will be allotted to the class when A.ii=23. What is the effect of an unassigned string variable which can hold some memory ( I don't remember if there is any maximum byte limit for string).

Thanks in advance.

afsal