我一直在尝试将 xml 文件中的属性绑定到包含唯一值的下拉列表。该属性是“季节”标签中的“年份”。示例 xml 文件仅包含一个季节的单个值,但确实会出现多个值。但是,行源数据应仅包含每个季节一次。到目前为止,我还没有运气在下拉列表中显示季节。我在 XmlDataSource 的 XPath 中尝试了几个不同的选项,但无济于事。
有人可以帮我吗?
以下是部分页面代码:
<%@ Page Title="Activiteiten" Language="C#" MasterPageFile="~/Site.master" AutoEventWireup="true" CodeFile="Activities_past_CPY.aspx.cs" Inherits="LoadLectureList.Activities" />
<asp:Content ID="BodyContent" runat="server" ContentPlaceHolderID="MainContent">
<p>
<asp:DropDownList ID="Seasonlist" runat="server" Width="130" DataSourceID="XmlDataSource2" AppendDataBoundItems="true" />
</p>
<p>
<asp:XmlDataSource ID="XmlDataSource2" runat="server"
DataFile="~/Lectures.xml"
XPath="//lectures/season[@yearno]/lecture" />
</p>
</asp:Content>
这是 XML 文件:
`<?xml version="1.0" encoding="UTF-8"?>
<lectures>
<season yearno="2012">
<lecture>
<date>26 september 2011</date>
<speaker>Dhr. Sylvain Ephimenco</speaker>
<speakerdsc>
Experience of the speaker.
</speakerdsc>
<subject>De Arabische volksopstanden</subject>
<subjectdsc>
Interesting subject
</subjectdsc>
<speakerpic>sylvain-ephimenco.jpg</speakerpic>
<subjectpic1></subjectpic1>
<subjectpic2></subjectpic2>
</lecture>
</season>
<season yearno="2013">
<lecture>
<date>14 januari 2013</date>
<speaker>Mr. Wim A. Egger</speaker>
<speakerdsc>
More experience of this speaker.
</speakerdsc>
<subject>Surinaamse rug, Joodse buik</subject>
<subjectdsc>
Another interesting subject
</subjectdsc>
<speakerpic>wim egger.jpg</speakerpic>
<subjectpic1>rug_buik.jpg</subjectpic1>
<subjectpic2></subjectpic2>
</lecture>
</season>
<season yearno="2014">
<lecture>
<date>10 maart 2014</date>
<speaker>Drs. C. Weltevrede</speaker>
<speakerdsc>
This man's curriculum.
</speakerdsc>
<subject>De joodse gemeente van Dordrecht tussen 1933 en heden</subject>
<subjectdsc>
Gotta hear this lecture
</subjectdsc>
<speakerpic>cees_weltevrede.jpg</speakerpic>
<subjectpic1>synagoge_dordrecht.jpg</subjectpic1>
<subjectpic2>tallit.tif</subjectpic2>
</lecture>
</season>
<season yearno="2014">
<lecture>
<datum>28 april 2014</datum>
<speaker>Prof. dr. P. W. van der Horst </speaker>
<speakerdsc>
Life course of this speaker.
</speakerdsc>
<subject>Joodse cultuur tussen Bijbel en Misjna</subject>
<subjectdsc>
Don't miss this one
</subjectdsc>
<speakerpic></speakerpic>
<subjectpic1>talmoed.jpg</subjectpic1>
<subjectpic2></subjectpic2>
</lecture>
</season>
</lectures>
`
我在论坛上搜索并找到了许多方法,但没有一个可以实现我的目标。任何帮助将非常感激。提前致谢。