private void FormChooseToolStripMenuItem_Click(object sender, EventArgs e) { Hide(); // Close and clear all data. EmployeesLV.ClearAllData(); EmployeesPanel.ClearAllData(); EmployeesLV.Close(); EmployeesPanel.Close(); Database.CloseConnection(); button7.Enabled = false; button7.Text = "Оберіть працівника"; if (!SelectProject()) { Application.ExitThread(); } Show(); }