直放站直放站 [英] Repeater in Repeater

问题描述

我有一个中继器内的中继器。当母体中继器绑定到 Datatble 这在它有一个数据表列。

I have a repeater inside a repeater. Where the parent repeater is bound to a Datatble which has a column with a Datatable in it.

我想给孩子直放站绑定到父中继器的数据行的数据表列

I would like to bind the child repeater to the datatable column in the parent repeater's datarow

这可能吗？我想我可以直接做到这一点， ASPX 文件，如：

Is this possible? i was thinking i could do this directly in the aspx file like:

数据源=＆LT;％＃DataBinder.Eval的（的Container.DataItem，产品）％GT;，但它似乎没有工作。

DataSource="<%# DataBinder.Eval(Container.DataItem, "Products")%>" but it doesn't seem to work.

推荐答案

在父中继器，附加一个方法的OnItemDataBound事件，并在该方法中，发现将其绑定嵌套的中继器和数据。

In the parent repeater, attach a method to the OnItemDataBound event and in the method, find the nested repeater and data bind it.

示例（的.aspx）：

Example (.aspx):

<asp:Repeater ID="ParentRepeater" runat="server" OnItemDataBound="ItemBound">
    <ItemTemplate>
        <!-- Repeated data -->
        <asp:Repeater ID="ChildRepeater" runat="server">
            <ItemTemplate>
                <!-- Nested repeated data -->
            </ItemTemplate>
        </asp:Repeater>
    </ItemTemplate>
</asp:Repeater>

示例（的.cs）：

Example (.cs):

protected void Page_Load(object sender, EventArgs e)
{
    if (!IsPostBack)
    {
        ParentRepeater.DataSource = ...;
        ParentRepeater.DataBind();
    }
}

protected void ItemBound(object sender, RepeaterItemEventArgs args)
{
    if (args.Item.ItemType == ListItemType.Item || args.Item.ItemType == ListItemType.AlternatingItem)
    {
        Repeater childRepeater = (Repeater)args.Item.FindControl("ChildRepeater");
        childRepeater.DataSource = ...;
        childRepeater.DataBind();
    }
}

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