<cms:CMSRepeater ID="rptTopic" runat="server" SelectOnlyPublished="true" OrderBy="NodeLevel,NodeOrder" ClassNames='<%# CLASS_NAME %>' Path='<%# Path %>'>
为CLASS_NAME
和Path
值在后端预定义。但我仍然遇到错误。
我的代码有问题吗?
以下是代码的全部内容。
<cms:CMSRepeater ID="CMSRepeater1" runat="server" SelectOnlyPublished="true" OrderBy="NodeLevel,NodeOrder" ClassNames='<%# CLASS_NAME %>' Path='<%# Path %>'>
<ItemTemplate>
<div class="col-md-3">
<div class="panel panel-default">
<asp:Image ID="imgTopic" runat="server" Height="200px" Width="100%" ImageUrl='<%# Eval("BackgroundImage") %>' />
<h4><%# Eval("Title") %></h4>
<p><%# Eval("Descriptions") %></p>
<a class="btn" href='<%# Eval("UrlLink") %>'>
<%# Eval("UrlText") %>
</a>
</div>
</div>
</ItemTemplate>
</cms:CMSRepeater>
这是我得到的异常:
Message: DataBinding: 'System.Data.DataRowView' does not contain a property with the name 'BackgroundImage'.
Exception type: System.Web.HttpException
Stack trace:
at System.Web.UI.DataBinder.GetPropertyValue(Object container, String propName)
at System.Web.UI.DataBinder.Eval(Object container, String[] expressionParts)
at System.Web.UI.DataBinder.Eval(Object container, String expression)
at System.Web.UI.TemplateControl.Eval(String expression)
at CMS.Base.Web.UI.AbstractUserControl.Eval(String column)
at ASP.inteksoft_webparts_content_topiclisting_ascx.__DataBinding__control3(Object sender, EventArgs e) in C:\Users\yjseow\Desktop\inteksoft svn\trunk\MOT\MOT.Website\Website\CMS\Inteksoft\WebParts\Content\TopicListing.ascx:line 9
at System.Web.UI.Control.OnDataBinding(EventArgs e)
at System.Web.UI.Control.DataBind(Boolean raiseOnDataBinding)
at System.Web.UI.Control.DataBind()
at System.Web.UI.Control.DataBindChildren()
at System.Web.UI.Control.DataBind(Boolean raiseOnDataBinding)
at System.Web.UI.Control.DataBind()
at System.Web.UI.WebControls.Repeater.CreateItem(Int32 itemIndex, ListItemType itemType, Boolean dataBind, Object dataItem)
at System.Web.UI.WebControls.Repeater.AddDataItemsIntoItemsArray(IEnumerable dataSource, Boolean useDataSource)
at System.Web.UI.WebControls.Repeater.PostGetDataAction(IEnumerable dataSource)
at System.Web.UI.WebControls.Repeater.CreateControlHierarchy(Boolean useDataSource)
at CMS.DocumentEngine.Web.UI.BasicRepeater.CreateControlHierarchy(Boolean useDataSource)
at System.Web.UI.WebControls.Repeater.OnDataBinding(EventArgs e)
at System.Web.UI.WebControls.Repeater.DataBind()
at CMS.DocumentEngine.Web.UI.BasicRepeater.DataBind()
at CMS.DocumentEngine.Web.UI.CMSRepeater.DataBind()
at CMS.DocumentEngine.Web.UI.CMSRepeater.ReloadDataInternal(Boolean forceReload)
at CMS.DocumentEngine.Web.UI.CMSRepeater.<>c__DisplayClass3.b__2()
at CMS.Base.Web.UI.ControlsExtensions.CallHandled(Control ctrl, Action func)
基于我后,我检查了我的列字段名称是正确的,我怀疑我不能指向正确的异常班级名称。
一旦我从ClassNames='<%# CLASS_NAME %>' Path='<%# Path %>'>
切换到ClassNames="CMS.Topic" Path="/Shared/Topic/%"
,那么一切顺利。
我试图让ClassNames
和Path
成为动态可控的。
你好。你不需要在最后关闭标签吗? – Luke359
这是你的意思吗? ' cms:CMSRepeater>' – SoYuJe