xml解析到Dataset报错
--------------------编程问答-------------------- 你的xml符合xml规则吗？浏览器直接浏览你的xml看是否能解析 --------------------编程问答-------------------- //将xml对象内容字符串转换为DataSet
public static DataSet ConvertXMLToDataSet(string xmlData)
{
StringReader stream = null;
XmlTextReader reader = null;
try
{
DataSet xmlDS = new DataSet();
stream = new StringReader(xmlData);
//从stream装载到XmlTextReader
reader = new XmlTextReader(stream);
xmlDS.ReadXml(reader);
return xmlDS;
}
catch (System.Exception ex)
{
throw ex;
}
finally
{
if (reader != null)
reader.Close();
}
}
//将xml文件转换为DataSet
public static DataSet ConvertXMLFileToDataSet(string xmlFile)
{
StringReader stream = null;
XmlTextReader reader = null;
try
{
XmlDocument xmld = new XmlDocument();
xmld.Load(xmlFile);
DataSet xmlDS = new DataSet();
stream = new StringReader(xmld.InnerXml);
//从stream装载到XmlTextReader
reader = new XmlTextReader(stream);
xmlDS.ReadXml(reader);
//xmlDS.ReadXml(xmlFile);
return xmlDS;
}
catch (System.Exception ex)
{
throw ex;
}
finally
{
if (reader != null)
reader.Close();
}
}
//将DataSet转换为xml对象字符串
public static string ConvertDataSetToXML(DataSet xmlDS)
{
MemoryStream stream = null;
XmlTextWriter writer = null;
try
{
stream = new MemoryStream();
//从stream装载到XmlTextReader
writer = new XmlTextWriter(stream, Encoding.Unicode);
//用WriteXml方法写入文件.
xmlDS.WriteXml(writer);
int count = (int)stream.Length;
byte[] arr = new byte[count];
stream.Seek(0, SeekOrigin.Begin);
stream.Read(arr, 0, count);
UnicodeEncoding utf = new UnicodeEncoding();
return utf.GetString(arr).Trim();
}
catch (System.Exception ex)
{
throw ex;
}
finally
{
if (writer != null)
writer.Close();
}
}
//将DataSet转换为xml文件
public static void ConvertDataSetToXMLFile(DataSet xmlDS, string xmlFile)
{
MemoryStream stream = null;
XmlTextWriter writer = null;
try
{
stream = new MemoryStream();
//从stream装载到XmlTextReader
writer = new XmlTextWriter(stream, Encoding.Unicode);
//用WriteXml方法写入文件.
xmlDS.WriteXml(writer);
int count = (int)stream.Length;
byte[] arr = new byte[count];
stream.Seek(0, SeekOrigin.Begin);
stream.Read(arr, 0, count);
//返回Unicode编码的文本
UnicodeEncoding utf = new UnicodeEncoding();
StreamWriter sw = new StreamWriter(xmlFile);
sw.WriteLine("<?xml version=\"1.0\" encoding=\"utf-8\"?>");
sw.WriteLine(utf.GetString(arr).Trim());
sw.Close();
}
catch (System.Exception ex)
{
throw ex;
}
finally
{
if (writer != null)
writer.Close();
}
} --------------------编程问答--------------------
浏览器能解析 单独解析NIT表和BAT表都能成功，但是放在一起就失败了。 --------------------编程问答-------------------- lz,你的xml格式明显有问题：
<NIT network_id="7340">
<DESCRIPTORS>
<DESCRIPTOR name = "user_define_descriptor" data = "4A1C00" />
</DESCRIPTORS>
<DESCRIPTORS>
<DESCRIPTORS>
<DESCRIPTOR name = "user_define_descriptor" data = "870A01" />
</DESCRIPTORS>
<LOOP ts_id = "254" original_network_id = "7340" service_id="2000">
<DESCRIPTORS>
</DESCRIPTORS>
</LOOP>
</NIT>
你自己仔细看看，明显节点不对应，浏览器根本打不开！ --------------------编程问答-------------------- XML有问题，第26行的节点<DESCRIPTORS>有问题，无法匹配。 --------------------编程问答-------------------- 真对不起 我的xml文件贴错了，正确的XML文件是这样的
<PSISIG_CUSTOM_DESCRIPTOR>
<BAT bouquet_id = "24677" >
<DESCRIPTORS>
</DESCRIPTORS>
<LOOP original_network_id = "7340" ts_id = "1017" >
<DESCRIPTORS>
<DESCRIPTOR name = "private_data_specifier_descriptor" data = "5F0400000000" />
<DESCRIPTOR name = "user_define_descriptor" data = "820406A50080" />
</DESCRIPTORS>
</LOOP>
<LOOP original_network_id = "7340" ts_id = "101" >
<DESCRIPTORS>
<DESCRIPTOR name = "private_data_specifier_descriptor" data = "5F0400000000" />
<DESCRIPTOR name = "user_define_descriptor" data = "821C0065000100660002006700030068000400690005006A0006006B0007" />
</DESCRIPTORS>
</LOOP>
<LOOP original_network_id = "7340" ts_id = "102" >
<DESCRIPTORS>
<DESCRIPTOR name = "private_data_specifier_descriptor" data = "5F0400000000" />
<DESCRIPTOR name = "user_define_descriptor"
data ="821800C9000800CA000900CB000A00CC000B00CD000C00CE000D" />
</DESCRIPTORS>
</LOOP>
</BAT>
<NIT network_id="7340">
<DESCRIPTORS>
<DESCRIPTOR name = "user_define_descriptor" data = "4A1C00FE00020001A00100000000000000090000000007D1D16200FFFF80" />
</DESCRIPTORS>
<DESCRIPTORS>
<DESCRIPTOR name = "user_define_descriptor" data = "4A1C00FE00020002A00200000000000000090000000007D1D16200FFFF80" />
</DESCRIPTORS>
<DESCRIPTORS>
<DESCRIPTOR name = "user_define_descriptor" data = "4A1C00FE00020003A00300000000000000090000000007D1D16200FFFF80" />
</DESCRIPTORS>
<LOOP ts_id = "254" original_network_id = "7340" service_id="2000">
<DESCRIPTORS>
</DESCRIPTORS>
</LOOP>
</NIT>
</PSISIG_CUSTOM_DESCRIPTOR>
报错是这样“无法添加名为“DESCRIPTORS”的列: 此数据表中已存在同名的嵌套表。” 请高人帮我查下原因。
补充：.NET技术 , C#
