嵌套repeater相当简单巧妙
2009-01-09 12:14
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Repeater嵌套方法,相当简单
先是aspx页面
<asp:Repeater ID=”rp” runat=”server”>
<ItemTemplate>
<%# Eval(”id”) %>
<asp:Repeater ID=”rp1″ runat=”server” DataSource=’<%# GetData(Eval(”id”)) %>’>
<ItemTemplate>
<%# Eval(”name”) %><br />
</ItemTemplate>
</asp:Repeater>
<br />
</ItemTemplate>
</asp:Repeater>
其中关键是<asp:Repeater ID=”rp1″ runat=”server” DataSource=’<%# GetData(Eval(”id”)) %>’>
GetData是一个自义函数,原型如下:
protected DataTable GetData(object obj)
{
DataTable dt = new DataTable();
//这里做一些事情
return dt;
}
完整的代码如下:aspx
<%@ Page Language=”C#” AutoEventWireup=”true” CodeFile=”test.aspx.cs” Inherits=”test” %>
<%@ Import Namespace=”System.Data” %>
<!DOCTYPE html PUBLIC “-//W3C//DTD XHTML 1.0 Transitional//EN” “http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd”>
<html xmlns=”http://www.w3.org/1999/xhtml” >
<head runat=”server”>
<title>nid’s blog http://www.ljnid.cn</title>
</head>
<body>
<form id=”form1″ runat=”server”>
<div>
<asp:Repeater ID=”rp” runat=”server”>
<ItemTemplate>
<%# Eval(”id”) %>
<asp:Repeater ID=”rp1″ runat=”server” DataSource=’<%# GetData(Eval(”id”)) %>’>
<ItemTemplate>
<%# Eval(”name”) %><br />
</ItemTemplate>
</asp:Repeater>
<br />
</ItemTemplate>
</asp:Repeater>
</div>
</form>
</body>
</html>
aspx.cs文件
using System;
using System.Data;
using System.Configuration;
using System.Collections;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
public partial class test : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
DataTable dt = new DataTable();
dt.Columns.Add(”id”);
for (int i = 0; i < 4; i++)
{
DataRow dr = dt.NewRow();
dr["id"] = i;
dt.Rows.Add(dr);
}
rp.DataSource = dt;
rp.DataBind();
}
protected DataTable GetData(object obj)
{
DataTable dt = new DataTable();
dt.Columns.Add(”name”);
for (int i = 0; i < 10; i++)
{
DataRow dr = dt.NewRow();
dr["name"] = “name_” + obj + “_” + i;
dt.Rows.Add(dr);
}
return dt;
}
}
先是aspx页面
<asp:Repeater ID=”rp” runat=”server”>
<ItemTemplate>
<%# Eval(”id”) %>
<asp:Repeater ID=”rp1″ runat=”server” DataSource=’<%# GetData(Eval(”id”)) %>’>
<ItemTemplate>
<%# Eval(”name”) %><br />
</ItemTemplate>
</asp:Repeater>
<br />
</ItemTemplate>
</asp:Repeater>
其中关键是<asp:Repeater ID=”rp1″ runat=”server” DataSource=’<%# GetData(Eval(”id”)) %>’>
GetData是一个自义函数,原型如下:
protected DataTable GetData(object obj)
{
DataTable dt = new DataTable();
//这里做一些事情
return dt;
}
完整的代码如下:aspx
<%@ Page Language=”C#” AutoEventWireup=”true” CodeFile=”test.aspx.cs” Inherits=”test” %>
<%@ Import Namespace=”System.Data” %>
<!DOCTYPE html PUBLIC “-//W3C//DTD XHTML 1.0 Transitional//EN” “http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd”>
<html xmlns=”http://www.w3.org/1999/xhtml” >
<head runat=”server”>
<title>nid’s blog http://www.ljnid.cn</title>
</head>
<body>
<form id=”form1″ runat=”server”>
<div>
<asp:Repeater ID=”rp” runat=”server”>
<ItemTemplate>
<%# Eval(”id”) %>
<asp:Repeater ID=”rp1″ runat=”server” DataSource=’<%# GetData(Eval(”id”)) %>’>
<ItemTemplate>
<%# Eval(”name”) %><br />
</ItemTemplate>
</asp:Repeater>
<br />
</ItemTemplate>
</asp:Repeater>
</div>
</form>
</body>
</html>
aspx.cs文件
using System;
using System.Data;
using System.Configuration;
using System.Collections;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
public partial class test : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
DataTable dt = new DataTable();
dt.Columns.Add(”id”);
for (int i = 0; i < 4; i++)
{
DataRow dr = dt.NewRow();
dr["id"] = i;
dt.Rows.Add(dr);
}
rp.DataSource = dt;
rp.DataBind();
}
protected DataTable GetData(object obj)
{
DataTable dt = new DataTable();
dt.Columns.Add(”name”);
for (int i = 0; i < 10; i++)
{
DataRow dr = dt.NewRow();
dr["name"] = “name_” + obj + “_” + i;
dt.Rows.Add(dr);
}
return dt;
}
}
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