How to Pass and Access a class into method in C#

public class Employee
    {
        public string EmpName{ get; set; }

        public string EmpAddress { get; set; }

    }

public class Welcome
    {
        public string WelcomeMethod(Employee emp)
        {
            return string.Format("Welcome {0} From {1}", emp.EmpName, emp.EmpAddress);
        }
    }

protected void Button1_Click(object sender, EventArgs e)
        {
                 Employee obj = new Employee();
                 obj. EmpName = TextBox1.Text;
                 obj.EmpAddress = TextBox2.Text;
                
                Welcome.WelcomeMethod(obj);
               
         }