        private void button1_Click(object sender, EventArgs e)
        {
            EmployeeService emp = new EmployeeService();
            emp.EmpNum  = 100;
            emp.EmpSal = 5000000;
            emp.EmpReg = 2;
            label1.Text = "Employee number is :" + emp.EmpNum;
            label1.Text += "\n\nSalary is:" + emp.EmpSal;
            label1.Text += "\n\nRegion is:" + emp.EmpReg;
        }
