private void first() { string sqlstring; sqlstring = "select 值 from z_system where 属性=2"; DataTable dt = return_select(sqlstring); if (dt.Rows[0]["值"].ToString() == "0") { Form first_v = new systemall.first_view(); first_v.MdiParent = this; //passs.WindowState = FormWindowState.Maximized; first_v.StartPosition = FormStartPosition.CenterScreen;//窗体居中 first_v.Show(); } }
private void 提示设置ToolStripMenuItem_Click(object sender, EventArgs e) { try { int index = a_sqlconn.other.HaveOpened(this, "first_view"); if (index == -1) { Form first = new systemall.first_view(); first.MdiParent = this; //passs.WindowState = FormWindowState.Maximized; first.StartPosition = FormStartPosition.CenterScreen;//窗体居中 first.Show(); } else { this.MdiChildren[index].Show(); } } catch (Exception ex) { ex.errormess(); } }