c#中文gbk编码查询示例代码

private void button_inquriy_click(object sender, eventargs e)
 {
     if (textbox_inquiry.textlength > 0)
     {
         string strinquiry = textbox_inquiry.text;
         byte[] bytes = encoding.getencoding("gb2312").getbytes(strinquiry);
         string strresult = string.empty;
         foreach (byte b in bytes)
         {
             strresult += b.tostring("x2");
             strresult += " ";
         }
         textbox_result.text = strresult;
     }
     else
     {
         messagebox.show("请输入待查询的字符");
     }
 }