Asp.net 嵌套Repeater应用例子

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Asp.net嵌套程序可不象asp那么简单，看例子。

效果图：

.aspx文件
    <form id="form1" runat="server" style="margin:0px;">
     <div>
        <asp:Repeater ID="primaryRpt" runat="server" OnItemDataBound="primaryRpt_ItemDataBound"> <!-- 父层 -->
        <HeaderTemplate>
        <table width="100%" border="0" cellpadding="0" cellspacing="0" style="border:1px solid #eaeaea">
        </HeaderTemplate>
        <ItemTemplate>
          <tr>
            <td height="25" bgcolor="#7898A8" style="color:White;padding-left:5px;"><%#Eval("funName")%><font style="font-size:9px"><input class="Rcheckbox" type="checkbox" name="run" id="run" value="<%#Eval("funCode") %>" />可访问<input class="Rcheckbox" type="checkbox" name="doit" id="doit" value="<%#Eval("funAuthCode") %>" />可授权</font></td>
          </tr>
          <tr>
            <td height="25" style="padding:5px">
                <div style="width:100%">
                <asp:Repeater ID="NextRpt" runat="server"> <!--子层-->
                <ItemTemplate>
                  <li style="display:inline;line-height:23px; padding:0px 20px 0px 0px;"><nobr><%# Eval("funName")%><font style="font-size:9px"><input class="Rcheckbox" type="checkbox" name="run" id="run" value="<%#Eval("funCode") %>" />可访问<input class="Rcheckbox" type="checkbox" name="doit" id="doit" value="<%#Eval("funAuthCode") %>" />可授权</font></nobr></li>
                </ItemTemplate>
                </asp:Repeater>
                </div>
            </td>
          </tr>
        </ItemTemplate>
        <FooterTemplate>
        </table>
        </FooterTemplate>
        </asp:Repeater>
     </div>
    </form>

下面是.asp.cs源码

   protected void Page_Load(object sender, EventArgs e)
    {
        if (!IsPostBack)
        {
            this.dataBind();
        }
    }

    /// <summary>
    /// 主表绑定
    /// </summary>
    protected void dataBind()
    {
        string _sql = "";
        System.Data.SqlClient.SqlConnection conn = SqlHelper.dbconn();
        conn.Open();

       DataSet ds = new DataSet();
        // 主表
        _sql = "select [id],[funName],[funCode],[funAuthCode] from [DyjRights] where [layer]=0";
        DataTable dt = SqlHelper.ExecuteProDataTable(conn, CommandType.Text, _sql, null);
        dt.TableName = "DyjRightsPrimary";
        dt.Dispose();
        ds.Tables.Add(dt);
        primaryRpt.DataSource = ds.Tables["DyjRightsPrimary"].DefaultView;
        primaryRpt.DataBind();
        ds.Dispose();
        conn.Close();
        conn.Dispose();
    }

    /// <summary>
    /// 从表绑定
    /// </summary>
    /// <param name="sender"></param>
    /// <param name="e"></param>
    protected void primaryRpt_ItemDataBound(object sender, System.Web.UI.WebControls.RepeaterItemEventArgs e)
    {
        if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
        {
            string _sql = string.Empty;
            string _parent = string.Empty;
            Repeater rptForget = (Repeater)e.Item.FindControl("NextRpt");
            //找到分类Repeater关联的数据项
            DataRowView rowv = (DataRowView)e.Item.DataItem;
            //提取分类关联标识
            _parent = rowv["id"].ToString();
            // 从表
            _sql = "select [id],[funName],[funCode],[funAuthCode] from [DyjRights] where [layer]<>0 and [parent]='" + _parent + "'";
            DataTable dt = SqlHelper.ExecuteProDataTable(SqlHelper.dbconn(), CommandType.Text, _sql, null);
            rptForget.DataSource = dt;
            rptForget.DataBind();
            dt.Dispose();
        }
    }

关键点：

    OnItemDataBound="primaryRpt_ItemDataBound"