private void button1_Click(object sender, EventArgs e)
 {
     //edit clients
     Form editClient = new EditClientForm();
     editClient.Show();
     this.Hide();
     editClient.FormClosed += otherFormClosed;
 }
        private void button1_Click(object sender, EventArgs e)
        {
            //edit clients
            Form editClient = new EditClientForm();

            editClient.Show();
            this.Hide();
            editClient.FormClosed += otherFormClosed;
        }