private void addNewDepartmentButton_Click(object sender, EventArgs e)
        {
            Close();
            DepartmentEntryForm departmentEntryForm = new DepartmentEntryForm();

            departmentEntryForm.Show();
        }
 private void addNewDepartmentButton_Click(object sender, EventArgs e)
 {
     Close();
     DepartmentEntryForm departmentEntryForm=new DepartmentEntryForm();
     departmentEntryForm.Show();
 }