got error when compling 2.cs "2.cs(7,5): error CS0246: The type or namespace name `A' could not be found. Are you missing a using directive or an assembly reference?
Compilation failed: 1 error(s), 0 warnings"

here is the 1.cs:

using System;

class A
{
  public static void Main ()
  {

  }

  public void displayMessage ( string strMessage )
  {
    Console.WriteLine("Your Input is:{0}",strMessage);
  }
}



here is the 2.cs:

using System;

class B
{
  public static void Main ()
  {
    A objA=new A();
    string strInput=Console.Read("Please input something here:");
    objA.displayMessage(strInput);
  }
}