在Visual C#中使用XML指南之讀取XML

對於XML,想必各位都比較瞭解,我也就不用費筆墨來描述它是什麼了,我想在未來的Web開發中XML一定會大放異彩,XML是可擴展標記語言,使用它企業可以制定一套自己的數據格式,數據按照這種格式在網絡中傳輸然後再通過XSLT將數據轉換成用戶期望的樣子表示出來,這樣便輕易的解決了數據格式不兼容的問題。用於Internet的數據傳輸,我想,這是XML對於我們這些程序員最誘人的地方! 

  我們今天的主題不是論述XML的好處,而是討論在C#中如何使用XML。下面我們來了解一下使用程序訪問XML的一些基礎理論知識。

  訪問的兩種模型:

  在程序中訪問進而操作XML文件一般有兩種模型,分別是使用DOM(文檔對象模型)和流模型,使用DOM的好處在於它允許編輯和更新XML文檔,可以隨機訪問文檔中的數據,可以使用XPath查詢,但是,DOM的缺點在於它需要一次性的加載整個文檔到內存中,對於大型的文檔,這會造成資源問題。流模型很好的解決了這個問題,因爲它對XML文件的訪問採用的是流的概念,也就是說,任何時候在內存中只有當前節點,但它也有它的不足,它是隻讀的,僅向前的,不能在文檔中執行向後導航操作。雖然是各有千秋,但我們也可以在程序中兩者並用實現優劣互補嘛,呵呵,這是題外話了!我們今天主要討論XML的讀取,那我們就詳細討論一下流模型吧!

  流模型中的變體:

  流模型每次迭代XML文檔中的一個節點,適合於處理較大的文檔,所耗內存空間小。流模型中有兩種變體——“模型和模型。

  推模型也就是常說的SAXSAX是一種靠事件驅動的模型,也就是說:它每發現一個節點就用推模型引發一個事件,而我們必須編寫這些事件的處理程序,這樣的做法非常的不靈活,也很麻煩。

  .NET中使用的是基於模型的實現方案,模型在遍歷文檔時會把感興趣的文檔部分從讀取器中拉出,不需要引發事件,允許我們以編程的方式訪問文檔,這大大的提高了靈活性,在性能上模型可以選擇性的處理節點,而SAX每發現一個節點都會通知客戶機,從而,使用模型可以提高Application的整體效率。在.NET模型是作爲XmlReader類實現的,下面看一下該類的繼承結構:

我們今天來講一下該體系結構中的XmlTextReader類,該類提供對Xml文件進行讀取的功能,它可以驗證文檔是否格式良好,如果不是格式良好的Xml文檔,該類在讀取過程中將會拋出XmlException異常,可使用該類提供的一些方法對文檔節點進行讀取,篩選等操作以及得到節點的名稱和值,請牢記:XmlTextReader是基於流模型的實現,打個不恰當的比喻,XML文件就好象水源,閘一開水就流出,流過了就流過了不會也不可以往回流。內存中任何時候只有當前節點,你可以使用XmlTextReader類的Read()方法讀取下一個節點。好了,說了這麼多來看一個例子,編程要注重實際對吧。看代碼前先看下運行效果吧!

Example1按紐遍歷文檔讀取數據,Example2Example3按紐得到節點類型,Example4過濾文檔只獲得數據內容,Example5得到屬性節點,Example6按紐得到命名空間,Example7顯示整個XML文檔,爲此,我專門寫一個類來封裝以上功能,該類代碼如下:


//---------------------------------------------------------------------------------------------------
//XmlReader
類用於Xml文件的一般讀取操作,以下對這個類做簡單介紹:
//
//Attributes(
屬性):
//listBox:
設置該屬性主要爲了得到客戶端控件以便於顯示所讀到的文件的內容(這裏是ListBox控件)
//xmlPath:
設置該屬性爲了得到一個確定的Xml文件的絕對路徑
//
//Basilic Using(
重要的引用):
//System.Xml:
該命名空間中封裝有對Xml進行操作的常用類,本類中使用了其中的XmlTextReader
//XmlTextReader:
該類提供對Xml文件進行讀取的功能,它可以驗證文檔是否格式良好,如果不是格式 // 良好的Xml文檔,該類在讀取過程中將會拋出XmlException異常,可使用該類提供的
//
一些方法對文檔節點進行讀取,篩選等操作以及得到節點的名稱和值
//
//bool XmlTextReader.Read():
讀取流中下一個節點,當讀完最後一個節點再次調用該方法該方法返回false
//XmlNodeType XmlTextReader.NodeType:
該屬性返回當前節點的類型
// XmlNodeType.Element
元素節點
// XmlNodeType.EndElement
結尾元素節點
// XmlNodeType.XmlDeclaration
文檔的第一個節點
// XmlNodeType.Text
文本節點
//bool XmlTextReader.HasAttributes:
當前節點有沒有屬性,返回truefalse
//string XmlTextReader.Name:
返回當前節點的名稱
//string XmlTextReader.Value:
返回當前節點的值
//string XmlTextReader.LocalName:
返回當前節點的本地名稱
//string XmlTextReader.NamespaceURI:
返回當前節點的命名空間URI
//string XmlTextReader.Prefix:
返回當前節點的前綴
//bool XmlTextReader.MoveToNextAttribute():
移動到當前節點的下一個屬性
//---------------------------------------------------------------------------------------------------

namespace XMLReading
{
 using System;
 using System.Xml;
 using System.Windows.Forms;
 using System.ComponentModel;

 /// summary
 /// Xml文件讀取器
 /// /summary

 public class XmlReader : IDisposable
 {
  private string _xmlPath;
  private const string _errMsg = "Error Occurred While Reading ";
  private ListBox _listBox;
  private XmlTextReader xmlTxtRd;

  #region XmlReader 的構造器

  public XmlReader()
  {
   this._xmlPath = string.Empty;
   this._listBox = null;
   this.xmlTxtRd = null;
  }

  /// summary
  /// 構造器
  /// /summary
  /// param name="_xmlPath"xml文件絕對路徑</param
  /// param name="_listBox">列表框用於顯示xml/param

  public XmlReader(string _xmlPath, ListBox _listBox)
  {
   this._xmlPath = _xmlPath;
   this._listBox = _listBox;
   this.xmlTxtRd = null;
  }

  #endregion
  #region XmlReader 的資源釋放方法

  /// summary
  /// 清理該對象所有正在使用的資源

  /// /summary

  public void Dispose()
  {
   this.Dispose(true);
   GC.SuppressFinalize(this);
  }

  /// summary
  /// 釋放該對象的實例變量
  /// /summary
  /// param name="disposing"></param

  protected virtual void Dispose(bool disposing)
  {
   if (!disposing)
    return;
   if (this.xmlTxtRd != null)
   {
    this.xmlTxtRd.Close();
    this.xmlTxtRd = null;
   }

   if (this._xmlPath != null)
   {
    this._xmlPath = null;
   }
  }

  #endregion 
  #region XmlReader 的屬性

  /// summary
  /// 獲取或設置列表框用於顯示xml
  /// /summary

  public ListBox listBox
  {
   get
   {
    return this._listBox;
   }
   set
   {
    this._listBox = value;
   }
  }

  /// summary
  /// 獲取或設置xml文件的絕對路徑
  /// /summary

  public string xmlPath
  {
   get
   {
    return this._xmlPath;
   }
   set
   {
    this._xmlPath = value;
   }
  }

  #endregion

  /// summary
  /// 遍歷Xml文件
  /// /summary

  public void EachXml()
  {
   this._listBox.Items.Clear();
   this.xmlTxtRd = new XmlTextReader(this._xmlPath);

   try
   {
    while(xmlTxtRd.Read())
    {
     this._listBox.Items.Add(this.xmlTxtRd.Value);
    }
   }
   catch(XmlException exp)
   {
    throw new XmlException(_errMsg + this._xmlPath + exp.ToString());
   }
   finally
   {
    if (this.xmlTxtRd != null)
     this.xmlTxtRd.Close();
   }
  }

  /// summary
  /// 讀取Xml文件的節點類型
  /// /summary

  public void ReadXmlByNodeType()
  {
   this._listBox.Items.Clear();
   this.xmlTxtRd = new XmlTextReader(this._xmlPath);

   try
   {
    while(xmlTxtRd.Read())
    {
     this._listBox.Items.Add(this.xmlTxtRd.NodeType.ToString());
    }
   }
   catch(XmlException exp)
   {
    throw new XmlException(_errMsg + this._xmlPath + exp.ToString());
   }
   finally
   {
    if (this.xmlTxtRd != null)
     this.xmlTxtRd.Close();
   }
  }

  /// summary
  /// 根據節點類型過濾Xml文檔
  /// /summary
  /// param name="xmlNType"XmlNodeType 節點類型的數組</param

  public void FilterByNodeType(XmlNodeType[] xmlNType)
  {
   this._listBox.Items.Clear();
   this.xmlTxtRd = new XmlTextReader(this._xmlPath);
   try
   {
    while(xmlTxtRd.Read())
    {
     for (int i = 0; i xmlNType.Length; i++)
     {
      if (xmlTxtRd.NodeType == xmlNType[i])
      {
       this._listBox.Items.Add(xmlTxtRd.Name + " is Type " + xmlTxtRd.NodeType.ToString());
      }
     }
    }
   }
   catch(XmlException exp)
   {
    throw new XmlException(_errMsg + this.xmlPath + exp.ToString());
   }
   finally
   {
    if (this.xmlTxtRd != null)
     this.xmlTxtRd.Close();
   }
  }

  /// summary
  /// 讀取Xml文件的所有文本節點值

  /// /summary

  public void ReadXmlTextValue()
  {
   this._listBox.Items.Clear();
   this.xmlTxtRd = new XmlTextReader(this._xmlPath);

   try
   {
    while(xmlTxtRd.Read())
    {
     if (xmlTxtRd.NodeType == XmlNodeType.Text)
     {
      this._listBox.Items.Add(xmlTxtRd.Value);
     }
    }
   }
   catch(XmlException xmlExp)
   {
    throw new XmlException(_errMsg + this._xmlPath + xmlExp.ToString());
   }
   finally
   {
    if (this.xmlTxtRd != null)
     this.xmlTxtRd.Close();
   }
  }

  /// summary
  /// 讀取Xml文件的屬性
  /// /summary

  public void ReadXmlAttributes()
  {
   this._listBox.Items.Clear();
   this.xmlTxtRd = new XmlTextReader(this._xmlPath);

   try
   {
    while(xmlTxtRd.Read())
    {
     if (xmlTxtRd.NodeType == XmlNodeType.Element)
     {
      if (xmlTxtRd.HasAttributes)
      {
       this._listBox.Items.Add("The Element " + xmlTxtRd.Name + " has " + xmlTxtRd.AttributeCount + " Attributes");

       this._listBox.Items.Add("The Attributes are:");

       while(xmlTxtRd.MoveToNextAttribute())
       {
        this._listBox.Items.Add(xmlTxtRd.Name + " = " + xmlTxtRd.Value);
       }
      }
      else
      {
       this._listBox.Items.Add("The Element " + xmlTxtRd.Name + " has no Attribute");
      }
      this._listBox.Items.Add("");
     }
    }
   }
   catch(XmlException xmlExp)
   {
    throw new XmlException(_errMsg + this._xmlPath + xmlExp.ToString());
   }
   finally
   {
    if (this.xmlTxtRd != null)
     this.xmlTxtRd.Close();
   }
  }

  /// summary
  /// 讀取Xml文件的命名空間
  /// /summary

  public void ReadXmlNamespace()
  {
   this._listBox.Items.Clear();
   this.xmlTxtRd = new XmlTextReader(this._xmlPath);
   try
   {
    while(xmlTxtRd.Read())
    {
     if (xmlTxtRd.NodeType == XmlNodeType.Element && xmlTxtRd.Prefix != "")
     {
      this._listBox.Items.Add("The Prefix " + xmlTxtRd.Prefix + " is associated with namespace " + xmlTxtRd.NamespaceURI);

      this._listBox.Items.Add("The Element with the local name " + xmlTxtRd.LocalName + " is associated with" + " the namespace " + xmlTxtRd.NamespaceURI);
     }

     if (xmlTxtRd.NodeType == XmlNodeType.Element && xmlTxtRd.HasAttributes)
     {
      while(xmlTxtRd.MoveToNextAttribute())
      {
       if (xmlTxtRd.Prefix != "")
       {
        this._listBox.Items.Add("The Prefix " + xmlTxtRd.Prefix + " is associated with namespace " + xmlTxtRd.NamespaceURI);

        this._listBox.Items.Add("The Attribute with the local name " + xmlTxtRd.LocalName + " is associated with the namespace " + xmlTxtRd.NamespaceURI);

       }
      }
     }
    }
   }
   catch(XmlException xmlExp)
   {
    throw new XmlException(_errMsg + this._xmlPath + xmlExp.ToString());
   }
   finally
   {
    if (this.xmlTxtRd != null)
     this.xmlTxtRd.Close();
   }
  }

  /// summary
  /// 讀取整個Xml文件
  /// /summary

  public void ReadXml()
  {
   string attAndEle = string.Empty;
   this._listBox.Items.Clear();
   this.xmlTxtRd = new XmlTextReader(this._xmlPath);

   try
   {
    while(xmlTxtRd.Read())
    {
     if (xmlTxtRd.NodeType == XmlNodeType.XmlDeclaration)
      this._listBox.Items.Add(string.Format("?{0} {1} ?",xmlTxtRd.Name,xmlTxtRd.Value));
     else if (xmlTxtRd.NodeType == XmlNodeType.Element)
     {
      attAndEle = string.Format("{0} ",xmlTxtRd.Name);
      if (xmlTxtRd.HasAttributes)
      {
       while(xmlTxtRd.MoveToNextAttribute())
       {
        attAndEle = attAndEle + string.Format("{0}='{1}' ",xmlTxtRd.Name,xmlTxtRd.Value);
       }
      }

      attAndEle = attAndEle.Trim() + "";
      this._listBox.Items.Add(attAndEle);
     }
     else if (xmlTxtRd.NodeType == XmlNodeType.EndElement)
      this._listBox.Items.Add(string.Format("/{0}",xmlTxtRd.Name));
     else if (xmlTxtRd.NodeType == XmlNodeType.Text)
      this._listBox.Items.Add(xmlTxtRd.Value);
    }
   }
   catch(XmlException xmlExp)
   {
    throw new XmlException(_errMsg + this._xmlPath + xmlExp.ToString());
   }
   finally
   {
    if (this.xmlTxtRd != null)
     this.xmlTxtRd.Close();
   }
  }
 }
}

窗體代碼如下:

namespace XMLReading

{

using System;

using System.Drawing;

using System.Collections;

using System.ComponentModel;

using System.Windows.Forms;

using System.Data;

using System.Xml;



public class Form1 : System.Windows.Forms.Form

{

private System.Windows.Forms.ListBox listBox1;

private System.Windows.Forms.Button button1;

private System.Windows.Forms.Button button2;

private System.Windows.Forms.Button button3;

private System.Windows.Forms.Button button4;

private System.Windows.Forms.Button button5;

private System.Windows.Forms.Button button6;

private System.Windows.Forms.Button button7;

private string xmlPath;

private XmlReader xRead;

///
summary

///
必需的設計器變量。

///
/summary

private System.ComponentModel.Container components = null;



public Form1()

{

InitializeComponent();

}



///
summary

///
清理所有正在使用的資源。

///
/summary

protected override void Dispose( bool disposing )

{

if( disposing )

{

if (components != null)

{

components.Dispose();

}

}

base.Dispose( disposing );

}



#region Windows
窗體設計器生成的代碼

///
summary

///
設計器支持所需的方法 - 不要使用代碼編輯器修改

///
此方法的內容。

///
/summary

private void InitializeComponent()

{

this.listBox1 = new System.Windows.Forms.ListBox();

this.button1 = new System.Windows.Forms.Button();

this.button2 = new System.Windows.Forms.Button();

this.button3 = new System.Windows.Forms.Button();

this.button4 = new System.Windows.Forms.Button();

this.button5 = new System.Windows.Forms.Button();

this.button6 = new System.Windows.Forms.Button();

this.button7 = new System.Windows.Forms.Button();

this.SuspendLayout();

//

// listBox1

//

this.listBox1.Anchor = ((System.Windows.Forms.AnchorStyles)((((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Bottom)

| System.Windows.Forms.AnchorStyles.Left)

| System.Windows.Forms.AnchorStyles.Right)));

this.listBox1.ItemHeight = 12;

this.listBox1.Location = new System.Drawing.Point(8, 8);

this.listBox1.Name = "listBox1";

this.listBox1.Size = new System.Drawing.Size(716, 460);

this.listBox1.TabIndex = 0;

//

// button1

//

this.button1.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Left)));

this.button1.Location = new System.Drawing.Point(8, 488);

this.button1.Name = "button1";

this.button1.TabIndex = 1;

this.button1.Text = "Example1";

this.button1.Click += new System.EventHandler(this.button1_Click);

//

// button2

//

this.button2.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Left)));

this.button2.Location = new System.Drawing.Point(96, 488);

this.button2.Name = "button2";

this.button2.TabIndex = 2;

this.button2.Text = "Example2";

this.button2.Click += new System.EventHandler(this.button2_Click);

//

// button3

//

this.button3.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Right)));

this.button3.Location = new System.Drawing.Point(648, 488);

this.button3.Name = "button3";

this.button3.TabIndex = 3;

this.button3.Text = "Example7";

this.button3.Click += new System.EventHandler(this.button3_Click);

//

// button4

//

this.button4.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Left)));

this.button4.Location = new System.Drawing.Point(184, 488);

this.button4.Name = "button4";

this.button4.TabIndex = 4;

this.button4.Text = "Example3";

this.button4.Click += new System.EventHandler(this.button4_Click);

//

// button5

//

this.button5.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Left)));

this.button5.Location = new System.Drawing.Point(272, 488);

this.button5.Name = "button5";

this.button5.TabIndex = 5;

this.button5.Text = "Example4";

this.button5.Click += new System.EventHandler(this.button5_Click);

//

// button6

//

this.button6.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Left)));

this.button6.Location = new System.Drawing.Point(360, 488);

this.button6.Name = "button6";

this.button6.TabIndex = 6;

this.button6.Text = "Example5";

this.button6.Click += new System.EventHandler(this.button6_Click);

//

// button7

//

this.button7.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Left)));

this.button7.Location = new System.Drawing.Point(448, 488);

this.button7.Name = "button7";

this.button7.TabIndex = 7;

this.button7.Text = "Example6";

this.button7.Click += new System.EventHandler(this.button7_Click);

//

// Form1

//

this.AutoScaleBaseSize = new System.Drawing.Size(6, 14);

this.ClientSize = new System.Drawing.Size(728, 517);

this.Controls.Add(this.button7);

this.Controls.Add(this.button6);

this.Controls.Add(this.button5);

this.Controls.Add(this.button4);

this.Controls.Add(this.button3);

this.Controls.Add(this.button2);

this.Controls.Add(this.button1);

this.Controls.Add(this.listBox1);

this.Name = "Form1";

this.Text = "XMLReader";

this.ResumeLayout(false);

//

// xmlPath

//

this.xmlPath = "sample.xml";

}

#endregion



///
summary

///
應用程序的主入口點。

///
/summary

[STAThread]

static void Main()

{

Application.Run(new Form1());

}



private void button1_Click(object sender, System.EventArgs e)

{

xRead = new XmlReader(this.xmlPath,this.listBox1);



try

{

xRead.EachXml();

}

catch(XmlException xmlExp)

{

MessageBox.Show(xmlExp.ToString(),"Error",MessageBoxButtons.OK,MessageBoxIcon.Error);

}

catch(Exception exp)

{

MessageBox.Show(exp.ToString(),"Error",MessageBoxButtons.OK,MessageBoxIcon.Error);

}

finally

{

xRead.Dispose();

}

}



private void button2_Click(object sender, System.EventArgs e)

{

xRead = new XmlReader(this.xmlPath,this.listBox1);



try

{

xRead.ReadXmlByNodeType();

}

catch(XmlException xmlExp)

{

MessageBox.Show(xmlExp.ToString(),"Error",MessageBoxButtons.OK,MessageBoxIcon.Error);

}

catch(Exception exp)

{

MessageBox.Show(exp.ToString(),"Error",MessageBoxButtons.OK,MessageBoxIcon.Error);

}

finally

{

xRead.Dispose();

}

}



private void button3_Click(object sender, System.EventArgs e)

{

XmlNodeType[] xmlNType = {XmlNodeType.Element, XmlNodeType.EndElement, XmlNodeType.XmlDeclaration};

xRead = new XmlReader(this.xmlPath, this.listBox1);



try

{

xRead.FilterByNodeType(xmlNType);

}

catch(XmlException xmlExp)

{

MessageBox.Show(xmlExp.ToString(),"Error",MessageBoxButtons.OK,MessageBoxIcon.Error);

}

catch(Exception exp)

{

MessageBox.Show(exp.ToString(),"Error",MessageBoxButtons.OK,MessageBoxIcon.Error);

}

finally

{

xRead.Dispose();

}

}



private void button4_Click(object sender, System.EventArgs e)

{

xRead = new XmlReader(this.xmlPath, this.listBox1);



try

{

xRead.ReadXmlTextValue();

}

catch(XmlException xmlExp)

{

MessageBox.Show(xmlExp.ToString(),"Error",MessageBoxButtons.OK,MessageBoxIcon.Error);

}

catch(Exception exp)

{

MessageBox.Show(exp.ToString(),"Error",MessageBoxButtons.OK,MessageBoxIcon.Error);

}

finally

{

xRead.Dispose();

}

}



private void button5_Click(object sender, System.EventArgs e)

{

xRead = new XmlReader(this.xmlPath, this.listBox1);



try

{

xRead.ReadXmlAttributes();

}

catch(XmlException xmlExp)

{

MessageBox.Show(xmlExp.ToString(),"Error",MessageBoxButtons.OK,MessageBoxIcon.Error);

}

catch(Exception exp)

{

MessageBox.Show(exp.ToString(),"Error",MessageBoxButtons.OK,MessageBoxIcon.Error);

}

finally

{

xRead.Dispose();

}

}



private void button6_Click(object sender, System.EventArgs e)

{

xRead = new XmlReader(this.xmlPath, this.listBox1);



try

{

xRead.ReadXmlNamespace();

}

catch(XmlException xmlExp)

{

MessageBox.Show(xmlExp.ToString(),"Error",MessageBoxButtons.OK,MessageBoxIcon.Error);

}

catch(Exception exp)

{

MessageBox.Show(exp.ToString(),"Error",MessageBoxButtons.OK,MessageBoxIcon.Error);

}

finally

{

xRead.Dispose();

}

}



private void button7_Click(object sender, System.EventArgs e)

{

xRead = new XmlReader(this.xmlPath, this.listBox1);



try

{

xRead.ReadXml();

}

catch(XmlException xmlExp)

{

MessageBox.Show(xmlExp.ToString(),"Error",MessageBoxButtons.OK,MessageBoxIcon.Error);

}

catch(Exception exp)

{

MessageBox.Show(exp.ToString(),"Error",MessageBoxButtons.OK,MessageBoxIcon.Error);

}

finally

{

xRead.Dispose();

}

}

}

}

以下是用於測試的XML文件:

  在項目中新建一個XML文件取名爲sample.xml,建好後把該文件拷到項目的bin目錄下的Debug目錄下

?xml version="1.0" encoding="utf-8" ?

Invoices date="28/11/2001" xmlns:cat="uri:Business-Categories"

customers custname="Chile Wines Inc" phone="1241 923 56332" email="[email protected]" custid="192398" delivery="international" offerID="27"

cat:businfoWine Division South/cat:businfo

cat:businfoBeer Division North/cat:businfo

order orderID="OID921" batchid="123"

details

items cat:num="2"

itemRancagua While/item

itemRancagua Red/item

/items

/details

/order

order orderID="OID927"

details

items num="5"

itemChillan Red/item

itemRancagua While/item

itemSantiago Red/item

itemRancagua While/item

itemRancagua Red/item

/items

/details

/order

order orderID="OID931" batchid="123"

details

items num="6"

itemRancegao Red/item

itemSutothad Black/item

itemBlackNme Blue/item

itemBooklist Red/item

itemRancegao White/item

/items

/details

/order

/customers

/Invoices

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