private void saleOrderToolStripMenuItem_Click(object sender, EventArgs e) { try { var frm = new frm_SaleOrder(); frm.MdiParent = this; // assign MdiParent of FormB to FormC frm.Dock = DockStyle.Fill; frm.Show(); } catch (Exception) { } }
private void btn_SaleOrder_Click(object sender, EventArgs e) { try { var frm = new frm_SaleOrder(); frm.MdiParent = this; // assign MdiParent of FormB to FormC frm.Dock = DockStyle.Fill; frm.Show(); } catch (Exception ex) { MessageBox.Show(ex.Message); } }