xml转换dataset

public static DataSet CXmlToDataSet(string xmlStr)
{
if (!string.IsNullOrEmpty(xmlStr))
{
StringReader StrStream = null;
XmlTextReader Xmlrdr = null;
try
{
DataSet ds = new DataSet();
//读取字符串中的信息
StrStream = new StringReader(xmlStr);
//获取StrStream中的数据
Xmlrdr = new XmlTextReader(StrStream);
//ds获取Xmlrdr中的数据
ds.readxml(Xmlrdr);
return ds;
}
catch (Exception e)
{
throw e;
}
finally
{
//释放资源
if (Xmlrdr != null)
{
Xmlrdr.Close();
StrStream.Close();
StrStream.dispose();
}
}
}
else
{
return null;
}

}

///转换datatable

public static DataTable CXmlToDatatTable(string xmlStr,int tableIndex) { return CXmlToDataSet(xmlStr).Tables[tableIndex]; }