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XML遍历(LINQ TO XML的魅力)

2011-08-01 16:54 405 查看
有了LINQ,一切都变得这样容易,LINQ TO XML帮助我们封装了更多XML的操作,下面讲一下它的
遍历,其中用户到了结点,结点值,结点史称,结点属性等知识点。
category.xml文件内容:
<?xml version="1.0" encoding="utf-8" ?>


[code]<Categories>


<Category>


<Item title="true" class="knnn">


考   研:


</Item>


<Item em="true" id="1111.2" src="http://www.b2cedu.com/UserInfos/MyStudyClass">


MBA


</Item>


<Item em="true" id="1111.3" src="http://www.b2cedu.com/Orders">


考博


</Item>


<Item id="1111.3" src="http://www.b2cedu.com/Orders">


普研


</Item>


<Item id="1111.3" src="http://www.b2cedu.com/Orders">


在职硕士


</Item>


<Item id="1111.3" src="http://www.b2cedu.com/Orders">


同等学力


</Item>


<Item id="1111.3" src="http://www.b2cedu.com/Orders">


GCT


</Item>


<Item id="1111.3" src="http://www.b2cedu.com/Orders">


法律硕士


</Item>


<Item id="1111.3" src="http://www.b2cedu.com/Orders">


会计硕士


</Item>


<Item id="1111.3" src="http://www.b2cedu.com/Orders">


公共管理硕士


</Item>


<Item id="1111.3" src="http://www.b2cedu.com/Orders">


教育硕士


</Item>


</Category>


<Category>


<Item  title="true" class="knnn">


财   贸:


</Item>


<Item em="true" id="1111.3" src="http://www.b2cedu.com/Orders">


会计职称


</Item>


<Item em="true" id="1111.3" src="http://www.b2cedu.com/Orders">


注册会计师


</Item>


<Item id="1111.3" src="http://www.b2cedu.com/Orders">


注册税务师


</Item>


<Item id="1111.3" src="http://www.b2cedu.com/Orders">


经济师


</Item>


<Item id="1111.3" src="http://www.b2cedu.com/Orders">


高级会计师


</Item>


<Item id="1111.3" src="http://www.b2cedu.com/Orders">


审计师


</Item>


<Item id="1111.3" src="http://www.b2cedu.com/Orders">


报关员


</Item>


<Item id="1111.3" src="http://www.b2cedu.com/Orders">


报检员


</Item>


<Item id="1111.3" src="http://www.b2cedu.com/Orders">


会计证


</Item>


 


</Category>


<Category>


<Item  title="true" class="knnn">


工   程:


</Item>


<Item id="1111.3" src="http://www.b2cedu.com/Orders">


一级建造师


</Item>


<Item id="1111.3" src="http://www.b2cedu.com/Orders">


二级建造师


</Item>


<Item id="1111.3" src="http://www.b2cedu.com/Orders">


造价工程师


</Item>


<Item id="1111.3" src="http://www.b2cedu.com/Orders">


建筑师


</Item>


<Item id="1111.3" src="http://www.b2cedu.com/Orders">


监理工程师


</Item>


<Item id="1111.3" src="http://www.b2cedu.com/Orders">


安全工程师


</Item>


<Item id="1111.3" src="http://www.b2cedu.com/Orders">


咨询工程师


</Item>


<Item id="1111.3" src="http://www.b2cedu.com/Orders">


房地产估价师


</Item>


</Category>


<Category>


<Item  title="true" class="knnn">


司   考:


</Item>


<Item id="1111.3" src="http://www.b2cedu.com/Orders">


司法考试


</Item>


<Item id="1111.3" src="http://www.b2cedu.com/Orders">


企业法律顾问


</Item>


</Category>


<Category>


<Item  title="true" class="knnn">


公 务 员:


</Item>


<Item id="1111.3" src="http://www.b2cedu.com/Orders">


国家公务员


</Item>


<Item id="1111.3" src="http://www.b2cedu.com/Orders">


地方公务员


</Item>


<Item id="1111.3" src="http://www.b2cedu.com/Orders">


教师资格考试


</Item>


</Category>


<Category>


<Item  title="true" class="knnn">


学   历:


</Item>


<Item id="1111.3" src="http://www.b2cedu.com/Orders">


成人高考


</Item>


<Item id="1111.3" src="http://www.b2cedu.com/Orders">


自学考试


</Item>


</Category>


<Category>


<Item  title="true" class="knnn">


外   语:


</Item>


<Item id="1111.3" src="http://www.b2cedu.com/Orders">


考博英语


</Item>


<Item id="1111.3" src="http://www.b2cedu.com/Orders">


日语


</Item>


<Item id="1111.3" src="http://www.b2cedu.com/Orders">


法语


</Item>


<Item id="1111.3" src="http://www.b2cedu.com/Orders">


韩语


</Item>


<Item id="1111.3" src="http://www.b2cedu.com/Orders">


德语


</Item>


<Item id="1111.3" src="http://www.b2cedu.com/Orders">


俄语


</Item>


<Item id="1111.3" src="http://www.b2cedu.com/Orders">


成人英语三级


</Item>


<Item id="1111.3" src="http://www.b2cedu.com/Orders">


职称英语


</Item>


<Item id="1111.3" src="http://www.b2cedu.com/Orders">


英语四六级


</Item>


</Category>


<Category>


<Item  title="true" class="knnn">


医   学:


</Item>


<Item id="1111.3" src="http://www.b2cedu.com/Orders">


执业药师


</Item>


<Item id="1111.3" src="http://www.b2cedu.com/Orders">


卫生职称


</Item>


<Item id="1111.3" src="http://www.b2cedu.com/Orders">


中医医师


</Item>


<Item id="1111.3" src="http://www.b2cedu.com/Orders">


口腔执业医师


</Item>


<Item id="1111.3" src="http://www.b2cedu.com/Orders">


临床执业助理医师


</Item>


<Item id="1111.3" src="http://www.b2cedu.com/Orders">


临床执业医师


</Item>


<Item id="1111.3" src="http://www.b2cedu.com/Orders">


营养师


</Item>


</Category>


<Category>


<Item  title="true" class="knnn">


职   业:


</Item>


<Item id="1111.3" src="http://www.b2cedu.com/Orders">


物业管理师


</Item>


<Item id="1111.3" src="http://www.b2cedu.com/Orders">


项目管理师


</Item>


<Item id="1111.3" src="http://www.b2cedu.com/Orders">


理财规划师


</Item>


<Item id="1111.3" src="http://www.b2cedu.com/Orders">


心理咨询师


</Item>


<Item id="1111.3" src="http://www.b2cedu.com/Orders">


人力资源管理师


</Item>


<Item id="1111.3" src="http://www.b2cedu.com/Orders">


物流师


</Item>


<Item id="1111.3" src="http://www.b2cedu.com/Orders">


银行从业


</Item>


<Item id="1111.3" src="http://www.b2cedu.com/Orders">


证券资格


</Item>


<Item id="1111.3" src="http://www.b2cedu.com/Orders">


特许金融分析师


</Item>


</Category>


</Categories>

[/code]

.csharpcode, .csharpcode pre
{
font-size: small;
color: black;
font-family: consolas, "Courier New", courier, monospace;
background-color: #ffffff;
/*white-space: pre;*/
}
.csharpcode pre { 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; }

下面是ASPX文件内容:

 

<div id="navigation">

                                    <%

                                        System.Xml.Linq.XElement root = System.Xml.Linq.XElement.Load(Server.MapPath("~/views/shared/category.xml"));

                                        root.Elements("Category").ToList().ForEach(item =>

                                        {%>

                                    <ul>

                                        <%

                                            item.Elements("Item").ToList().ForEach(i =>

                                           {

                                               if (i.Attribute("title") != null)

                                               {

                                        %>

                                        <li class='<%=i.Attribute("class").Value %>'>

                                            <%=i.Value %></li>

                                        <%}

                                               else

                                               { %>

                                        <li><a href="javascript:void(0)" onclick="CategoryRedirect('<%=i.Attribute("id").Value %>','<%= i.Attribute("src").Value%>')"

                                            title="<%=i.Value %>">

                                            <%if (i.Attribute("em") != null)

                                              {

                                            %><em><%=i.Value %></em><%}

                                              else

                                              { %>

                                            <%=i.Value %>

                                            <%} %>

                                        </a></li>

                                        <%} %>

                                        <%  
                                            });%>

                                    </ul>

                                    <%

                                        });

                                    %>

                                </div>

.csharpcode, .csharpcode pre
{
font-size: small;
color: black;
font-family: consolas, "Courier New", courier, monospace;
background-color: #ffffff;
/*white-space: pre;*/
}
.csharpcode pre { 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; }
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