XmlDataDocument与DataSet相互转化

1.

View Code

   
     

    
       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

View Code

   
     

    
       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;