C#

void Main()
{
	Person person = new Person("Person1","Address1");
	Manager manager = new Manager("Manager","Address2","North city");
	
	Console.WriteLine (person.ToString());
	Console.WriteLine (manager.ToString());
}
class Person {
	public string Name {get; private set;}
	public string Address {get; private set;}
	
	public Person (string name, string address){
		Name = name;
		Address=address;
	}
	public override string ToString(){
		return Name + ", " + Address;
	}
}
class Manager : Person {
	public string AreaManaged {get; private set;}
	public Manager(string name, string address, string areaManaged) :
		base(name,address){
		AreaManaged = areaManaged;
	}
	public override string ToString(){
		return base.ToString() + ", " + AreaManaged;
	}
}
//output
//Person1, Address1
//Manager, Address2, North city

public class Base
{
    protected int id;

    public Base(int id)
    {
        this.id = id;
    }

    public int ID
    {
        get { return id; }
    }
}

public class Derived : Base
{
    private string text;

    public Derived(string text)
        : base(1)
    {
        this.text = text;
    }

    public string Text
    {
        get { return text; }
        set
        {
            // ToDo: Validate value
            text = value;
        }
    }
}

monu_khan wrote:

unable to open crystal report

monu_khan wrote:

error

monu_khan wrote:

but not found any answer

string path = Environment.GetFolderPath(Environment.SpecialFolder.Favorites);

MemberDotNetting wrote:

I want ...

MemberDotNetting wrote:

and recovery of emails not delivered with a definite time lag