try
                        {                            senddata.WriteLine("entrybalance," + carbrand);
                            senddata.Flush();                            //tcpClient2.ReceiveTimeout = 1000;
                            //tcpClient.ReceiveTimeout = 1000;                            try
                            {                                byte[] Data = new Byte[400];
                                Int32 bytes = ns.Read(Data, 0, Data.Length);
                                receiveData = Encoding.Default.GetString(Data, 0, bytes);
                                MessageBox.Show("2222");
                            }
                            catch (InterruptedException ie)
                            {
                                //在此调用再次写数据操作     
                            }   
                            double i_balance = Convert.ToDouble(receiveData);
                            if (i_balance <= 30) { c_i_ReasonType = 2; }
                            else { c_b_PermitPass = true; c_i_ReasonType = 0; }
                            c_isConnect = true;
                        }
                        catch
                        {
                            isConnect = false;//标记网络已经断开
                            c_b_PermitPass = false;
                            c_i_ReasonType = 3;
                            this.SetLabelText18(" ");                            this.SetpictureBox7(global::EntryClient.Properties.Resources.datacenter_discon);//指示灯灭
                            if (s_dial.Equals("being"))
                            {
                                this.SetLabel5Color(System.Drawing.Color.Yellow);
                                this.SetLabelText5("连接中...");
                            }
                            else
                            {
                                this.SetLabel5Color(System.Drawing.Color.Red);
                                this.SetLabelText5("连接断开");
                            }
                        }
在这里面如何设置