Error: inaccessible due to its protection level

HI,
I know this is a basic question but i need some depth details
Why i could not able create objects for the non static class in the static method?

Fo ex:
In this following code and getting "inaccessible due to its protection level" error ...
Please explain..


namespace dotnetfunda_ex1
{
public class ClassA
{
ClassA(int var)
{ }

public static void tm()
{ }

}

class Program
{

public static void Main(string[] args)
{
ClassA obj = new ClassA(1);
//obj.tm();

}
}


}


Manikandan Muthuraj

Thanks & Regards,
Manikandan Muthuraj
http://talkheredotnet.blogspot.com/