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ASP.NET中repeater嵌套實(shí)現(xiàn)代碼(附源碼)

更新時(shí)間：2013年03月07日 11:57:40 作者：

repeater嵌套經(jīng)常會(huì)在一些特殊效果顯示下會(huì)用到，新手朋友們可以詳細(xì)看下本文，希望對你有所幫助，代碼很整潔同時(shí)附有源碼

1.A,運(yùn)行效果圖

1.B,源代碼(主要代碼摘要)
/App_Code/DBConnection.cs
/App_Code/CategoryInfo.cs

復(fù)制代碼代碼如下:

 
using System.Collections.Generic; 
public class CategoryInfo 
{ 
int categoryid; 
string categoryname; 
string categorydesc; 
IList<ArticleInfo> articles; 
/// <summary> 
/// 1,子嵌套數(shù)據(jù) 
/// </summary> 
public IList<ArticleInfo> Articles 
{ 
get { return articles; } 
set { articles = value; } 
} 
public int Categoryid 
{ 
get { return categoryid; } 
set { categoryid = value; } 
} 
public string Categoryname 
{ 
get { return categoryname; } 
set { categoryname = value; } 
} 
public string Categorydesc 
{ 
get { return categorydesc; } 
set { categorydesc = value; } 
} 
public CategoryInfo() 
{ 
} 
public CategoryInfo(int categoryid, string categoryname, string categorydesc,IList<ArticleInfo> articles) 
{ 
this.categoryid = categoryid; 
this.categoryname = categoryname; 
this.categorydesc = categorydesc; 
this.articles = articles; 
} 
} 

/App_Code/ArticleInfo.cs
/App_Code/CategoryOper.cs

復(fù)制代碼代碼如下:

 
using System.Data; 
using System.Data.SqlClient; 
using System.Collections.Generic; 
public class CategoryOper 
{ 
public static IList<CategoryInfo> SelectAll() 
{ 
IList<CategoryInfo> allcate = new List<CategoryInfo>(); 
string sql = "select category.categoryid,categoryname,categorydesc,id,title,author from category inner join article on category.categoryid=article.categoryid order by category.categoryid"; 
SqlConnection con = new DBConnection().Con; 
SqlCommand com = new SqlCommand(); 
com.Connection = con; 
com.CommandText = sql; 
com.CommandType = CommandType.Text; 
con.Open(); 
SqlDataReader sdr = com.ExecuteReader(); 
int tempcategoryid=0; 
CategoryInfo cate=null; 
while (sdr.Read()) 
{ 
int categoryid=sdr.GetInt32(0); 
//如果類別改變則創(chuàng)建一個(gè)新的 cate 對象 
if(categoryid!=tempcategoryid) 
{ 
cate = new CategoryInfo(sdr.GetInt32(0), sdr.GetString(1), sdr.GetString(2), new List<ArticleInfo>()); 
allcate.Add(cate); 
tempcategoryid = categoryid; //把新類別編號(hào)付給標(biāo)識(shí) 
} 
ArticleInfo art = new ArticleInfo(sdr.GetInt32(3), sdr.GetString(4), sdr.GetString(5)); 
cate.Articles.Add(art); 
} 
con.Close(); 
return allcate; 
} 
public CategoryOper() 
{ 
// 
// TODO: 在此處添加構(gòu)造函數(shù)邏輯 
// 
} 
} 

/App_Code/ArticleOper.cs
,6
/Default.aspx

復(fù)制代碼代碼如下:

 
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default.aspx.cs" Inherits="_Default" %> 
<!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>無標(biāo)題頁</title> 
</head> 
<body> 
<form id="form1" runat="server"> 
<div style="text-align:center"> 
<asp:Repeater ID="RepCate" runat="server"> 
<HeaderTemplate> 
<table border="1"> 
<tr> 
<td>分類編號(hào)</td> 
<td>分類名稱</td> 
<td>分類描述</td> 
</tr> 
</HeaderTemplate> 
<ItemTemplate> 
<tr> 
<td><%#Eval("categoryid") %></td> 
<td><%#Eval("categoryname") %></td> 
<td><%#Eval("categorydesc") %></td> 
</tr> 
<tr> 
<td>本類新聞</td> 
<td colspan="2"> 
<asp:Repeater ID="RepArticle" runat="server" DataSource='<%#Eval("articles") %>' > 
<HeaderTemplate> 
<table border="1" style="background-color:#00FF00;"> 
<tr> 
<td>新聞編號(hào)</td> 
<td>新聞標(biāo)題</td> 
<td>新聞作者</td> 
</tr> 
</HeaderTemplate> 
<ItemTemplate> 
<tr> 
<td><%#Eval("id") %></td> 
<td> 
<asp:HyperLink ID="Hl1" runat="server" Text='<%#Eval("title") %>' NavigateUrl='<%#string.Format("ShowArticle.aspx?id={0}",Eval("id") ) %>' ></asp:HyperLink> 
</td> 
<td><%#Eval("author") %></td> 
</tr> 
</ItemTemplate> 
<FooterTemplate> 
</table> 
</FooterTemplate> 
</asp:Repeater> 
</td> 
</tr> 
</ItemTemplate> 
<FooterTemplate> 
</table> 
</FooterTemplate> 
</asp:Repeater> 
</div> 
</form> 
</body> 
</html> 

/Default.aspx.cs

復(fù)制代碼代碼如下:

 
using System; 
public partial class _Default : System.Web.UI.Page 
{ 
private void BindCategory() 
{ 
RepCate.DataSource = CategoryOper.SelectAll(); 
RepCate.DataBind(); 
} 
protected void Page_Load(object sender, EventArgs e) 
{ 
if (!IsPostBack) 
{ 
BindCategory(); 
} 
} 
} 