private void ToolStripMenuItemQuanLyTĐHV_Click(object sender, EventArgs e) { frmTDHV hv = new frmTDHV(); hv.Show(); this.Hide(); }
private void btnTĐHV_Click(object sender, EventArgs e) { frmTDHV hv = new frmTDHV(); hv.Show(); this.Hide(); }