我有一个ASP.Net网页,并创建了一个自定义控件,其灵魂目的是成为一个列表" item"显示在主页面板(asp:Panel)中,这是列表控件:
<%@ Control Language="C#" AutoEventWireup="true" CodeBehind="cListItem.ascx.cs" Inherits="CatPro.Presentation.UserControls.CatalyticItem" %>
<script src="../Scripts/jquery-1.10.2.min.js"></script>
<script src="../Scripts/lightbox-2.6.min.js"></script>
<link href="../Css/lightbox.css" rel="stylesheet" />
</style>
<table class="MainFrame" border="1" runat="server">
<tr>
<td runat="server">
<table class="MainFrame">
<tr>
<td class="CatImageColumn" rowspan="5">
<asp:DataList ID="DataList1" runat="server"
RepeatColumns="5"
RepeatDirection="Horizontal"
RepeatLayout="Flow">
<ItemTemplate>
<a id="ImageLink" href='<%# Eval((string)Container.DataItem) %>' data-lightbox="image-1">
<img id="Img1" src="<%# (string)Container.DataItem %>" width="150" height="150">
</a>
</ItemTemplate>
</asp:DataList>
</td>
<td class="LinkHeader" colspan="5">
<asp:LinkButton ID="hyperlinkDescription" runat="server" Font-Bold="True" Font-Size="X-Large">Item Description Link</asp:LinkButton>
</td>
<td class="LinkHeader">
</td>
</tr>
<tr>
<td class="FirstRowLabel">
<asp:Label ID="lblYear" runat="server" Text="Year"></asp:Label>
</td>
<td class="FirstRowText">
<asp:Label ID="txtYear" runat="server"></asp:Label>
</td>
<td class="SecondRowLabel">
<asp:Label ID="lblRasCategory" runat="server" Text="RAS Category:"></asp:Label>
</td>
<td class="SecondRowText">
<asp:Label ID="txtRASCategory" runat="server"></asp:Label>
</td>
<td class="ThirdRowLabel">
<asp:Label ID="lblValue89" runat="server" Text="Value:" ForeColor="Green"></asp:Label>
</td>
<td class="ThirdRowText">
<asp:Label ID="txtValue89" runat="server" ForeColor="Green">$0</asp:Label>
</td>
</tr>
<tr>
<td class="FirstRowLabel">
<asp:Label ID="lblMake" runat="server" Text="Make:"></asp:Label>
</td>
<td class="FirstRowText">
<asp:Label ID="txtMake" runat="server"></asp:Label>
</td>
<td class="SecondRowLabel">
<asp:Label ID="lblPMCategory" runat="server" Text="PowerMount Category:"></asp:Label>
</td>
<td class="SecondRowText">
<asp:Label ID="txtPMCategory" runat="server"></asp:Label>
</td>
<td class="ThirdRowLabel">
<asp:Label ID="lblValue100" runat="server" Text="Value:" ForeColor="Green"></asp:Label>
</td>
<td class="ThirdRowText">
<asp:Label ID="txtValue100" runat="server" ForeColor="Green">$0</asp:Label>
</td>
</tr>
<tr>
<td class="FirstRowLabel">
<asp:Label ID="lblModel" runat="server" Text="Model:"></asp:Label>
</td>
<td class="FirstRowText">
<asp:Label ID="txtModel" runat="server"></asp:Label>
</td>
<td class="SecondRowLabel">
<asp:Label ID="lblOENumber" runat="server" Text="OE Number:"></asp:Label>
</td>
<td class="SecondRowText">
<asp:Label ID="txtOENumber" runat="server"></asp:Label>
</td>
<td class="ThirdRowLabel"></td>
<td class="ThirdRowText"></td>
</tr>
<tr>
<td class="FirstRowLabel">
<asp:Label ID="lblSubModel" runat="server" Text="Sub Model:"></asp:Label>
</td>
<td class="FirstRowText">
<asp:Label ID="txtSubModel" runat="server"></asp:Label>
</td>
<td class="SecondRowLabel">
</td>
<td class="SecondRowText">
</td>
<td class="ThirdRowLabel"> </td>
<td class="ThirdRowText"> </td>
</tr>
</table>
</td>
对于从数据库调用返回的每个记录,其中一个控件将添加到主页面板控件中。每个项目可能有多个图像,所以我将它们存储在后面代码中的asp:DataList中:
string[] images = listCImages.Select(c => c.ImagePath).ToArray();
DataList1.DataSource = images;
DataList1.DataBind();
理想情况下,我想在控件上的数据集中显示第一个图像,然后单击时让LightBox控件显示相关的图像集(通过单击LightBox窗口中的集合)。
这是使用LightBox控件的部分,我遇到了设置问题
<asp:DataList ID="DataList1" runat="server"
RepeatColumns="5"
RepeatDirection="Horizontal"
RepeatLayout="Flow">
<ItemTemplate>
<a id="ImageLink" href='<%# Eval((string)Container.DataItem) %>' data-lightbox="image-1">
<img id="Img1" src="<%# (string)Container.DataItem %>" width="150" height="150">
</a>
</ItemTemplate>
</asp:DataList>
我可以加载并显示单个图像而没有任何问题,但我尝试执行上述操作并非如此简单。这是正确的方法吗?我应该做些什么改变以获得理想的结果?
答案 0 :(得分:0)
我暂时通过做一些黑客攻击来解决这个问题(在我看来这是一种草率的方法)......
我首先动态创建了我的显示图像:
//Create a HyperLink control
HyperLink linkWrapper = new HyperLink();
linkWrapper.ID = catId.ToString();
//assign a lightbox attribute
linkWrapper.Attributes.Add("rel", string.Format("lightbox[{0}]", catId.ToString()));
linkWrapper.Attributes.Add("title", string.Format("Image(s) for {0}", catId.ToString()));
//The path to my local image
linkWrapper.NavigateUrl = imagePath;
//next, create a display image
Image mainImage = new Image();
mainImage.Height = 128;
mainImage.Width = 128;
mainImage.ID = "img_" + catId.ToString();
mainImage.ImageUrl = imagePath;
//wrap the link around the image
linkWrapper.Controls.Add(mainImage);
//dynamically add display control to td cell
CatImages.Controls.Add(linkWrapper);
然后,如果有任何其他相关图像,我添加它们像:
foreach (catImage cat in listCatImages) //custom generic list iteration
{
//create a HyperLink control
HyperLink hl = new HyperLink();
hl.Attributes.Add("rel", string.Format("lightbox[{0}]", catalyticConverterId.ToString()));
hl.Attributes.Add("title", "My Cats");
hl.NavigateUrl = cat.ImagePath;
//add just the link to the td cell
CatImages.Controls.Add(hl);
}
现在,当我点击“显示图像”时,LightBox会拾取图像组并允许我浏览它们(并且链接不可见)。