byte[] content = (byte[])ds.Tables[0].Rows[0]["RULEXML"];
StringBuilder sb = new StringBuilder();
sb.Append(System.Text.Encoding.Unicode.GetString(content));blob里存入的是xml文档格式的字符串.
StringBuilder sb = new StringBuilder();
sb.Append(System.Text.Encoding.Unicode.GetString(content));blob里存入的是xml文档格式的字符串.
sb.Append(System.Text.Encoding.UTF8.GetString(content));
或者
sb.Append(System.Text.Encoding.GetEncoding("gb2312").GetString(content));
System.Text.Encoding.UTF8.GetString(content)