XmlDataDocument与DataSet相互转化

1.

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1 using System.Text;
2   using System.IO;
3
4 XmlNode xmlNode1;
5 XmlDataDocument xd = new XmlDataDocument();
6 StringBuilder xmlString1;
7
8 xmlNode1 = DataSet1; // DataSet1为返回的数据集
9   if (xmlNode1 == null ) // --存储过程执行失败
10 return ;
11 xmlString1 = new StringBuilder(xmlNode1.OuterXml);
12 if (xmlString1.ToString().Equals( " <NewDataSet xmlns=\"\"></NewDataSet> " )) return ;
13 xd.LoadXml(xmlString1.ToString());
14 DataSet ds = new DataSet();
15 ds.ReadXml( new XmlNodeReader(xd));
16 DataGrid1.DataSource = ds.Tables[ 0 ].DefaultView;
17 DataGrid1.DataBind();
18

2

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1 XmlDataDocument xd = new XmlDataDocument();
2
3 if (( int )ds.Tables[ 0 ].DefaultView.Count < 1 )
4 {
5 string xml = " <NewDataSet></NewDataSet> " ;
6 xd.LoadXml(xml);
7 return xd;
8 }
9 xd = new XmlDataDocument(ds);
10 XmlNode root1 = xd.DocumentElement;
11 XmlNodeList roots = root1.SelectNodes( " list " );
12 foreach (XmlNode roota in roots) // 为所有元素加上站点名称标记
13 {
14 XmlElement Link = xd.CreateElement( " SiteName " );
15 Link.InnerText = ConfigurationSettings.AppSettings[ " SiteName " ].ToString();
16 roota.AppendChild(Link);
17 }
18 return xd;

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