private void bftbtn_GoToPersonelManagement_Click(object sender, EventArgs e)
        {
            StaffPanel sp = new StaffPanel();

            sp.Show();
            this.Hide();
        }
        private void bunifuImageButton3_Click(object sender, EventArgs e)
        {
            DialogResult dialogResult = MessageBox.Show("Program Tamamen Kapatılacaktır", "Emin Misiniz ?", MessageBoxButtons.YesNo);

            if (dialogResult == DialogResult.Yes)
            {
                StaffPanel eb = new StaffPanel();
                this.Close();
                Application.Exit();
            }
        }