當綁定控件內嵌套綁定控件時,有時子綁定控件內會需要獲取父綁定項的值,獲取方法如下:
1.表達式
<%#DataBinder.Eval(Container.Parent.Parent, "DataItem.Name")%>
2.表達式
<%# DataBinder.Eval(((RepeaterItem)Container.Parent.Parent).DataItem, "Name")%>
示例如下:
<asp:Repeater runat="server">
<HeaderTemplate>
<table width="100%" border="0" cellspacing="0" cellpadding="0" class="clr_for1">
</HeaderTemplate>
<ItemTemplate>
<tr>
<td align="center">
<asp:DataList runat="server" DataSource='<%#Eval("DoorList") %>' RepeatColumns="4" RepeatDirection="Horizontal">
<ItemTemplate>
<table >
<tr>
<td height="20"
父類:<%# DataBinder.Eval(((RepeaterItem)Container.Parent.Parent).DataItem, "Name")%>
</td>
<td height="20">
名稱:<%# DataBinder.Eval(Container.DataItem, "Name")%>
</td>
</tr>
</table>
</ItemTemplate>
</asp:DataList>
</td>
</tr>
</ItemTemplate>
<FooterTemplate>
</table>
</FooterTemplate>
</asp:Repeater>
後臺代碼:
// Category內有List<DoorInfo> DoorList的屬性
List<Category> categoryList = doorBLL.GetRecommendList(categoryCount, goodsCount);
rptRecommend.DataSource = categoryList;
rptRecommend.DataBind();