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XML学习笔记(四):格式化输出XML文档

2009-05-09 16:56 375 查看

页面代码：

<%@PageLanguage="C#"AutoEventWireup="true"CodeFile="WriteXMLFormat.aspx.cs"Inherits="WriteXML"%>

<!DOCTYPEhtmlPUBLIC"-//W3C//DTDXHTML1.0Transitional//EN""http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<htmlxmlns="http://www.w3.org/1999/xhtml">

<headrunat="server">

<title></title>

</head>

<body>

<formid="form1"runat="server">

<div>

ConnecionString:

<asp:TextBoxID="TextBox1"runat="server"Height="70px"Width="531px"></asp:TextBox><br/>

TableName:

<asp:TextBoxID="TextBox2"runat="server"Height="48px"Width="525px"></asp:TextBox><br/>

DestinationFileName:

<asp:TextBoxID="TextBox3"runat="server"Height="56px"Width="519px"></asp:TextBox><br/>

</div>

<asp:RadioButtonID="RadioButton1"Text="Columnsaselements"runat="server"GroupName="ExportType"/>

<br/>

<asp:RadioButtonID="RadioButton2"Text="Columnsasattributes"runat="server"GroupName="ExportType"/>

<br/>

<asp:CheckBoxID="CheckBox1"Text="FormatXMLDocument"runat="server"/>

<br/>

Indention:

<asp:TextBoxID="TextBox4"runat="server"></asp:TextBox>

<br/>

IndentCharacter:<br/>

<br/>

<asp:RadioButtonID="RadioButton3"Text="Space"GroupName="IndentCharacter"runat="server"/>

<br/>

<asp:RadioButtonID="RadioButton4"Text="Tab"GroupName="IndentCharacter"runat="server"/>

<br/>

<asp:ButtonID="Button1"runat="server"Height="31px"Text="ExportData"Width="134px"

OnClick="Button1_Click"/>

</form>

</body>

</html>

.csharpcode,.csharpcodepre
{
font-size:small;
color:black;
font-family:consolas,"CourierNew",courier,monospace;
background-color:#ffffff;
/*white-space:pre;*/
}
.csharpcodepre{margin:0em;}
.csharpcode.rem{color:#008000;}
.csharpcode.kwrd{color:#0000ff;}
.csharpcode.str{color:#006080;}
.csharpcode.op{color:#0000c0;}
.csharpcode.preproc{color:#cc6633;}
.csharpcode.asp{background-color:#ffff00;}
.csharpcode.html{color:#800000;}
.csharpcode.attr{color:#ff0000;}
.csharpcode.alt
{
background-color:#f4f4f4;
width:100%;
margin:0em;
}
.csharpcode.lnum{color:#606060;}

执行代码：

usingSystem;

usingSystem.Data.SqlClient;

usingSystem.Xml;

publicpartialclassWriteXML:System.Web.UI.Page

protectedvoidPage_Load(objectsender,EventArgse)

///<summary>

///HandlestheClickeventoftheButton1control.

///</summary>

///<paramname="sender">Thesourceoftheevent.</param>

///<paramname="e">The<seecref="System.EventArgs"/>instancecontainingtheeventdata.</param>

protectedvoidButton1_Click(objectsender,EventArgse)

SqlConnectioncnn=newSqlConnection(TextBox1.Text);

SqlCommandcmd=newSqlCommand();

cmd.Connection=cnn;

cmd.CommandText="SELECT*FROM"+TextBox2.Text;

cnn.Open();

SqlDataReaderreader=cmd.ExecuteReader();

XmlTextWriterwriter=newXmlTextWriter(TextBox3.Text,null);

if(CheckBox1.Checked)

writer.Formatting=Formatting.Indented;

writer.Indentation=int.Parse(TextBox4.Text);

writer.IndentChar=(RadioButton3.Checked?'':'\t');

writer.WriteStartDocument();

writer.WriteComment("Fileexportedon"+DateTime.Now);

writer.WriteStartElement("table");

while(reader.Read())

if(RadioButton1.Checked)

writer.WriteStartElement("row");

for(inti=0;i<reader.FieldCount;i++)

writer.WriteStartElement(reader.GetName(i));

writer.WriteString(reader.GetValue(i).ToString());

writer.WriteEndElement();

writer.WriteEndElement();

else

writer.WriteStartElement("row");

for(inti=0;i<reader.FieldCount;i++)

writer.WriteAttributeString(reader.GetName(i),

reader.GetValue(i).ToString());

writer.WriteEndElement();

writer.WriteEndElement();

writer.Close();

reader.Close();

cnn.Close();

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