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Nested repeater is quite simple and clever

Source: Internet
Author: User
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Repeater nesting method, which is quite simple

First, the ASPX page

<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>

The key is <asp: repeater id = "RP1" runat = "server" datasource = '<% # getdata (eval ("ID") %>'>
Getdata is a UDF with the following prototype:

Protected datatable getdata (Object OBJ)
{
Datatable dt = new datatable ();
// Do something here
Return DT;
}

The complete code is as follows: 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/5o/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 File

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;
}
}

This article is an English version of an article which is originally in the Chinese language on aliyun.com and is provided for information purposes only. This website makes no representation or warranty of any kind, either expressed or implied, as to the accuracy, completeness ownership or reliability of the article or any translations thereof. If you have any concerns or complaints relating to the article, please send an email, providing a detailed description of the concern or complaint, to info-contact@alibabacloud.com. A staff member will contact you within 5 working days. Once verified, infringing content will be removed immediately.

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