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在asp.net中读取xml文件信息的4种方法

2008-01-02 09:16 886 查看

方法一：使用xml控件
    <% @ page language="c#"%>
<html>
<body>
<h3><font face="verdana">读取xml方法一</font></h3>
<from runat=server>
<asp:xml id="xml1" documentsource="grade.xml" runat="server" />
      </from>
</body>
</html>
方法二：使用dom技术
<% @ page language="c#"%>
<% @ import namespace="system.xml"%>
<% @ import namespace="system.xml.xsl"%>
<html>
<script language="c#" runat="server">
void page_load(object sender,eventargs e)
{
   xmldocument doc=new xmldocument();
doc.load(server.mappath("grade.xml"));
xml1.document=doc;
}
</script>
<body>
   <h3><font face="verdana">读取xml方法二</font></h3>
<from runat=server>
<asp:xml id="xml1" runat="server" />
      </from>
</body>
</html>
方法三：使用dataset对象
<% @ page language="c#"%>
<% @ import namespace="system.data"%>
<% @ import namespace="system.data.oledb"%>
<script language="c#" runat="server">
void page_load(object sender,eventargs e)
{
dataset  objdataset=new dataset();
objdataset.readxml(server.mappath("grade.xml"));
dgemployees.datasource=objdataset.tables["student"].defaultview;
dgemployees.databind();
}
</script>
<body>
   <h3><font face="verdana">读取xml方法三</font></h3>
<asp:datagrid id="dgemployees" runat="server" />
</body>
</html>
方法四：按文本方式读取
<% @ page language="c#"%>
<% @ import namespace="system.xml"%>
<html>
<script language="c#" runat="server">
private void page_load(object sender,eventargs e)
{
xmltextreader objxmlreader=new xmltextreader(server.mappath("grade.xml"));
string strnoderesult="";
xmlnodetype objnodetype;
while(objxmlreader.read())
{
objnodetype =objxmlreader.nodetype;
swith(objnodetype)
   {
   case xmlnodetype.xmldeclaration:
   //读取xml文件头
      strnoderesult+="xml declaration:<b>"+objxmlreader.name+""+objxmlreader.value+"</b><br/>";
     break;
   case xmlnodetype.element:
//读取标签
     strnoderesult+="element:<b>"+objxmlreader.name+"</b><br/>";
    break;
   case xmlnodetype.text:
     //读取值
    strnoderesult+=" -value:<b>"+objxmlreader.value+"</b><br/>";
   break;

   }
//判断该节点是否有属性
if(objxmlreader.attributecount>0)
{ //用循环判断完所有节点
    while(objxmlreader.movetonextattibute)
     { //取标签和值
     strnoderesult+=" -attribute:<b>"+objxmlreader.name+"</b> value:<b>"+objxmlreader.value+"</b><br/>";
      }
   }
lblfile.text=strnoderesult;
}
}
</script>
<body>
   <h3><font face="verdana">读取xml方法四</font></h3>
<from runat=server>
<asp:label id="lblfile" runat="server" />
      </from>
</body>
</html>

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标签： xml asp.net server dataset import c#

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