本例使用 vs.net 2008(C#)编写。来自 admin10000.com

后台CS代码

        protected void Page_Load(object sender, EventArgs e)        {            if (!Page.IsPostBack)            {                this.dtCategory = GetCategoryTable();                this.dtProduct = GetProductTable();                rptCategoryList.DataSource = dtCategory;                rptCategoryList.DataBind();            }        }        // 准备一张分类表        DataTable GetCategoryTable()        {            DataTable dt = new DataTable();            dt.Columns.Add("CategoryId", typeof(int));            dt.Columns.Add("CategoryTitle", typeof(string));            for (int i = 1; i <= 3; i++)            {                DataRow row = dt.NewRow();                row["CategoryId"] = i;                row["CategoryTitle"] = "分类名字 " + i + "";                dt.Rows.Add(row);            }            return dt;        }                // 准备一张产品表        DataTable GetProductTable()        {            DataTable dt = new DataTable();            dt.Columns.Add("ProductTitle", typeof(string));            dt.Columns.Add("CategoryId", typeof(int));            for (int i = 1; i <= 9; i++)            {                DataRow row = dt.NewRow();                row["ProductTitle"] = "产品名字 " + i + "";                if (i > 6) row["CategoryId"] = 3;                else if (i > 3) row["CategoryId"] = 2;                else row["CategoryId"] = 1;                dt.Rows.Add(row);            }            return dt;        }        // 获取某个类别的产品        DataTable GetProductTable(int categoryId)        {            DataView dv = this.dtProduct.DefaultView;            dv.RowFilter = " CategoryId=" + categoryId + " ";            return dv.ToTable();        }        protected void rptCategoryList_ItemDataBound(object sender, RepeaterItemEventArgs e)        {            if (e.Item.ItemType == ListItemType.AlternatingItem || e.Item.ItemType == ListItemType.Item)            {                DataRowView drv = (DataRowView)e.Item.DataItem;                Literal ltlTitle = (Literal)e.Item.FindControl("ltlTitle");                ltlTitle.Text = drv["CategoryTitle"].ToString();                Repeater rptProductList = (Repeater)e.Item.FindControl("rptProductList");                rptProductList.DataSource = GetProductTable(Convert.ToInt32(drv["CategoryId"]));                rptProductList.DataBind();            }        }        protected void rptProductList_ItemDataBound(object sender, RepeaterItemEventArgs e)        {            if (e.Item.ItemType == ListItemType.AlternatingItem || e.Item.ItemType == ListItemType.Item)            {                DataRowView drv = (DataRowView)e.Item.DataItem;                Literal ltlTitle = (Literal)e.Item.FindControl("ltlTitle");                ltlTitle.Text = drv["ProductTitle"].ToString();            }        }

前台aspx代码

  <form id="form1" runat="server">    <p>        <asp:Repeater ID="rptCategoryList" runat="server" OnItemDataBound="rptCategoryList_ItemDataBound">            <ItemTemplate>                <p class="listBox">                    <p class="title">                        <asp:Literal ID="ltlTitle" runat="server"></asp:Literal></p>                    <p class="content">                        <ul>                            <asp:Repeater ID="rptProductList" runat="server" OnItemDataBound="rptProductList_ItemDataBound">                                <ItemTemplate>                                    <li>                                        <asp:Literal ID="ltlTitle" runat="server"></asp:Literal>                                    </li>                                </ItemTemplate>                            </asp:Repeater>                        </ul>                    </p>                </p>            </ItemTemplate>        </asp:Repeater>    </p>    </form>

下载代码示例:PageDemo.RAR

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