/// <summary> /// //发送数据 /// </summary> private bool Senddata(String str) { if (cSerial != null) { //byte[] bytes = Encoding.Unicode.GetBytes(str); //cSerial.Write(bytes, 0, bytes.Length); String trmp = str + "\r\n"; cSerial.Write(trmp); if (MsgShow.Text.Length > 2000) { MsgShow.Clear(); } MsgShow.AppendText(trmp); return(true); } else { MsgShow.Text += "请先打开串口"; MsgShow.Text += "\r\n"; if (this.frequencyTimer.Enabled == true) { this.frequencyTimer.Enabled = false; } return(false); } }
private void btnServerState_Click(object sender, EventArgs e) { if (svr == null) { MessageBox.Show("数据库未连接"); return; } DataSet ds = svr.Databases["master"].ExecuteWithResults("exec master..xp_fixeddrives"); MsgShow show = new MsgShow(); show.DataSource = ds; show.ShowDialog(); }