public EditEmployee(int id, IProcessInterface process) { InitializeComponent(); EmployeId = id; var employee = process.GetEmployeeWithId(id); textBox1.Text = employee.First_Name; textBox2.Text = employee.Last_Name; textBox3.Text = employee.Email; textBox4.Text = employee.Salary.ToString(); textBox5.Text = employee.Phone_Number.ToString(); var allDept = process.Alldepartment(); foreach (var item in allDept) { comboBox1.Items.Add(item.Department_Name); } }