c#汉字与编码之间的转换（输出十六进制）

/******************************************************************/
/***********************               ****************************/
/*********************** 汉字转换工具  ****************************/
/***********************               ****************************/
/******************************************************************/

/****************************  字符串转编码函数 **********************************/
private byte[] StringToBytes(string TheString)
{
Encoding encoding = Encoding.GetEncoding("UTF-8");
Encoding encoding2 = Encoding.GetEncoding("gb2312");
byte[] bytes = encoding.GetBytes(TheString);
return Encoding.Convert(encoding, encoding2, bytes);
}
/****************************  编码转字符串函数 **********************************/
private string BytesToString(byte[] Bytes)
{
Encoding encoding = Encoding.GetEncoding("gb2312");
Encoding encoding2 = Encoding.GetEncoding("UTF-8");
byte[] bytes = Encoding.Convert(encoding, encoding2, Bytes);
return encoding2.GetString(bytes);
}
/****************************  单击转换按钮事件 **********************************/
private void Changez_Click(object sender, EventArgs e)
{
if (this.CHcode.Checked)//判断什么类型的转换
{
byte[] array = this.StringToBytes(this.intextz.Text);
this.outtextz.Text = "";
byte[] array2 = array;
for (int i = 0; i < array2.Length; i++)
{
byte b = array2[i];
string text = b.ToString("x").ToUpper();
TextBox expr_64 = this.outtextz;
expr_64.Text = expr_64.Text + "0x" + ((text.Length == 1) ? ("0" + text) : text) + " ";
}
}
else
{
if (!this.CHcode.Checked)
{
byte[] array3 = new byte[this.intextz.Text.Length / 2];
try
{
string text2 = this.intextz.Text;
text2 = text2.Replace("0x", "");
text2 = text2.Replace(" ", string.Empty);
for (int j = 0; j < text2.Length / 2; j++)
{
array3[j] = Convert.ToByte(text2.Substring(j * 2, 2), 16);
}
this.outtextz.Text = this.BytesToString(array3);
}
catch
{
MessageBox.Show("数据转换错误，请输入数字。", "错误");
}
}
}
}