private void tab2bntNhapKho_Click(object sender, EventArgs e) { if (this.ActiveMdiChild != null) { this.ActiveMdiChild.Close(); } NhapXuat.frmNhapKho frmNhapKho = new NhapXuat.frmNhapKho(); frmNhapKho.MdiParent = this; frmNhapKho.Show(); }
private void tab2bntNhapKho_Click(object sender, EventArgs e) { if (this.ActiveMdiChild != null) this.ActiveMdiChild.Close(); NhapXuat.frmNhapKho frmNhapKho = new NhapXuat.frmNhapKho(); frmNhapKho.MdiParent = this; frmNhapKho.Show(); }