public void positions_edit_Load(object sender, EventArgs e) { try { positions_search positions_search = new positions_search(); //positions_search.positionID = textBox1.Text; //MessageBox.Show(positions_search.positionID); textBox1.Text = positions_search.positionID; textBox3.Text = positions_search.positionName; } catch (Exception) { MessageBox.Show("Error"); } }
// this form will open only once private void searchToolStripMenuItem1_Click(object sender, EventArgs e) { bool isOpen = false; foreach (Form f in Application.OpenForms) { if (f.Name == "positions_search") { isOpen = true; f.Focus(); break; } } if (isOpen == false) { positions_search f2 = new positions_search(); f2.MdiParent = this; f2.Show(); } else { } }