在示例中，我们需要处理自定义文档类型customProduct，其中包括以下字段：

Name字段：

Documents字段：

在创建文档类型之后，你需要将repeater web part放置到页面，然后打开repeater属性列表，选择Transformations section，然后点击Transformation属性旁边的New按钮。

插入任意名称，然后将以下代码放入转换（注意选择ASCX 转换类型）：

<%@ Register Src="~/CMSModules/Content/Controls/Attachments/DocumentAttachments/DocumentAttachments.ascx" TagName="DocumentAttachments" TagPrefix="cms" %>

<a href="<%# GetDocumentUrl() %>"><%# Eval("Name") %></a><br />

然后选择Selected item transformation属性旁边的 New按钮，再次输入任意名称，选择ASCX 转换类型，并插入以下代码：

<%@ Register Src="~/CMSModules/Content/Controls/Attachments/DocumentAttachments/DocumentAttachments.ascx" TagName="DocumentAttachments" TagPrefix="cms" %>

<script runat="server">
protected void Page_Load(object sender, EventArgs e)
{
CMS.SettingsProvider.DataClassInfo dci = CMS.SettingsProvider.DataClassInfoProvider.GetDataClass("custom.customProduct");
string var = CMS.CMSHelper.CMSContext.CurrentDocument.NodeAliasPath;
if (dci != null)
{
FormInfo fi = new FormInfo(dci.ClassFormDefinition);
FormFieldInfo ffi = fi.GetFormField("Documents");
Guid AttachmentGroupGUID = ffi.Guid;

this.ucAttachments.Path = CMS.DocumentEngine.TreePathUtils.EnsureSingleNodePath(var);
this.ucAttachments.AttachmentGroupGUID = AttachmentGroupGUID;
this.ucAttachments.TransformationName = "CMS.Root.AttachmentList";
this.ucAttachments.CultureCode = "en-us";
this.ucAttachments.SiteName = "CorporateSite";
this.ucAttachments.ReloadData(true);
}
}
</script>

<cms:DocumentAttachments ID="ucAttachments" runat="server" />

现在就可以显示选定文档的组附件了。

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