DataSet XMl DateTable 互转

/// <summary>
/// DataTable-------------------->XML --String
/// </summary>
public static String ToXmlString(DataTable dt)
{
StringWriter tr = new StringWriter();
try
{
dt.WriteXml(tr);
return tr.ToString();
}
catch
{
throw;
}
finally
{
tr.Dispose();
}
}
/// <summary>
/// DataSet----------------->XML---String
/// </summary>
public static String ToXmlString(DataSet ds)
{
StringWriter tr = new StringWriter();
try
{
ds.WriteXml(tr, XmlWriteMode.IgnoreSchema);
return tr.ToString();
}
catch
{
throw;
}
finally
{
tr.Dispose();
}
}
/// <summary>
/// xml转换为数据集
/// </summary>
public static DataSet XmlToDataSet(string xml)
{
try
{
StringReader sr = new StringReader(xml);
DataSet ds = new DataSet();
ds.ReadXml(sr);
return ds;
}
catch
{
throw;
}
}
/// <summary>
/// Xml转换为数据表
/// </summary>
public static DataTable ToDataTable(string xmlData, int TableIndex)
{
try
{
return XmlToDataSet(xmlData).Tables[TableIndex];
}
catch
{
throw;
}
}