try
{
  IPAddress MyIP = IPAddress.Parse(“127.0.0.1″);
  TcpListener MyListener = new TcpListener(MyIP, Convert.ToInt16(“1235″));
  MyListener.Start();
  Socket MySocket = MyListener.AcceptSocket();
  byte[] MyData = new byte[256];
  MySocket.Receive(MyData);
  this.richTextBox1.AppendText(System.Text.Encoding.Unicode.GetString(MyData));

  UnicodeEncoding MyInfo = new UnicodeEncoding();
  MySocket.Send(MyInfo.GetBytes(“From Server:你好!我是服務(wù)器”));
}
catch (Exception ex)
{
  MessageBox.Show(ex.Message,“信息提示”,MessageBoxButtons.OK,MessageBoxIcon.Information);
}

//客戶端代碼

try
{
  TcpClient MyClient = new TcpClient();
  MyClient.Connect(“127.0.0.1″, Convert.ToInt16(“1235″));
  Stream MyStream = MyClient.GetStream();
  UnicodeEncoding MyInfo = new UnicodeEncoding();
  byte[] MyData = new byte[256];
  byte[] MySendByte = MyInfo.GetBytes(“From Client:你好!我是客戶端”);
  MyStream.Write(MySendByte, 0, MySendByte.Length);
  MyStream.Read(MyData, 0, 256);
  this.richTextBox1.AppendText(System.Text.Encoding.Unicode.GetString(MyData));
}
catch(Exception ex)
{
  MessageBox.Show(ex.Message,“信息提示”,MessageBoxButtons.OK,MessageBoxIcon.Information);
}

此外，數(shù)據(jù)庫中中文的存取也是一件令人頭疼的事，其實(shí)要解決這個問題很簡單，下面是一段SQL Server的代碼：

try
{
  SqlConnection MyConnect = new SqlConnection(m_ConnectionStrings);
  //插入新紀(jì)錄
  string MySQL = string.Format(“INSERT INTO [BSM_SystemServiceInfoTable] VALUES ({0},N'{1}',N'{2}',N'{3}',N'{4}')”,AgentID, data[1], data[2], data[3], data[0]);
  MyCommand = new SqlCommand(MySQL, MyConnect);
  MyCommand.Connection.Open();
  MyCommand.ExecuteNonQuery();
  MyCommand.Connection.Close();
}
catch (System.Exception e)
{
  MessageBox.Show(e.ToString ());
}

可以看到，SQL腳本命令中，所有的字符串參數(shù)前多了一個字符“N”，這個字符即聲明用UNICODE方式編碼，當(dāng)然，要注意的就是，若字段的值可能含有中文時，必須將該字段類型聲明為nchar、nvarchar、ntext，這里的n表示的意思是一樣的。

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