asp.net实现DataList与Repeater嵌套绑定的方法

前端技术 2023/09/01 .NET

本文实例讲述了asp.net实现DataList与Repeater嵌套绑定的方法。分享给大家供大家参考,具体如下:

<%@ Page Language=\"C#\" AutoEventWireup=\"true\" CodeFile=\"home.aspx.cs\" Inherits=\"home\" %>
<body>
  <form id=\"form1\" runat=\"server\">
       <asp:DataList ID=\"monitorTypeList\" runat=\"server\" RepeatColumns=\"4\" 
         onitemdatabound=\"monitorTypeList_ItemDataBound\" RepeatDirection=\"Horizontal\" ItemStyle-VerticalAlign=\"Top\">
       <ItemTemplate>
        <table class=\"conBox\" width=\"186\" border=\"0\" cellpadding=\"0\" cellspacing=\"1\" style=\"margin-right:10px;\">
         <tr>
          <th><a href=\"<%#Eval(\"plugpath\") %>\"><%#Eval(\"monitor_type_name\") %></a></th>
         </tr>
         <asp:Repeater ID=\"monitorConfigList\" runat=\"server\">
          <ItemTemplate>
         <tr>
          <td><a href=\"<%#Eval(\"plugpath\") %>?monitor_id=<%#Eval(\"monitor_id\") %>\"><%#Eval(\"monitor_name\") %></a></td>
         </tr>
          </ItemTemplate>
         </asp:Repeater>
        </table>
      </ItemTemplate>
      </asp:DataList>
  </form>
</body>

home.aspx.cs

using System;
using System.Collections;
using System.Configuration;
using System.Data;
using System.Linq;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.HtmlControls;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Xml.Linq;
public partial class home : System.Web.UI.Page
{
  protected void Page_Load(object sender, EventArgs e)
  {
    myCheck.IsLoginNonReturn();
    if (!IsPostBack)
    {
      Bind_monitorTypeList();
    }
  }
  protected void Bind_monitorTypeList()
  {
    string sql = \"select monitor_type_id,monitor_type_name from monitor_type\";
    DbConn conn = new DbConn();
    DataSet ds = conn.DataSet(sql,\"monitor_type\");
    monitorTypeList.DataSource = ds.Tables[0];
    monitorTypeList.DataBind();
    ds.Dispose();
    conn.Close();
  }
  protected void monitorTypeList_ItemDataBound(object sender, DataListItemEventArgs e)
  {
    if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
    {
      string monitor_type_id = ((DataRowView)e.Item.DataItem).Row[\"monitor_type_id\"].ToString();
      Repeater monitorConfigList = (Repeater)e.Item.FindControl(\"monitorConfigList\");
      if (monitorConfigList != null)
      {
        string sql = \"select monitor_id,nonitor_name,plugpath from monitor where monitor_type_id=\" + monitor_type_id;
        DbConn conn = new DbConn();
        DataSet ds = conn.DataSet(sql, \"monitor\");
        monitorConfigList.DataSource = ds.Tables[0];
        monitorConfigList.DataBind();
        ds.Dispose();
        conn.Close();
      }
    }
  }
}

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