repeater分页的实现
2015-06-04 17:54
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以下为源码:
//repeate.aspx.cs
using System;
using System.Data;
using System.Data.SqlClient;
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 repeate : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
{
Repeater1.DataSource = pds();
Repeater1.DataBind();
}
}
private PagedDataSource pds()
{
string connstring = ConfigurationManager.ConnectionStrings["pconn"].ConnectionString;
SqlConnection con = new SqlConnection(connstring);
DataSet ds = new DataSet();
SqlDataAdapter sda = new SqlDataAdapter("select * from authors",con);
sda.Fill(ds,"name");
SqlDataAdapter sda2 = new SqlDataAdapter("select * from titleauthor",con);
sda2.Fill(ds,"title");
ds.Relations.Add("myrela",ds.Tables["name"].Columns["au_id"],ds.Tables["title"].Columns["au_id"]);
PagedDataSource pds = new PagedDataSource();
pds.DataSource = ds.Tables["name"].DefaultView;
pds.AllowPaging = true;//允许分页
pds.PageSize = 5;//单页显示项数
pds.CurrentPageIndex = Convert.ToInt32(Request.QueryString["page"]);
return pds;
}
protected void Repeater1_ItemDataBound(object sender, RepeaterItemEventArgs e)
{
if (e.Item.ItemType == ListItemType.Footer)
{
DropDownList ddlp = (DropDownList)e.Item.FindControl("ddlp");
HyperLink lpfirst = (HyperLink)e.Item.FindControl("hlfir");
HyperLink lpprev = (HyperLink)e.Item.FindControl("hlp");
HyperLink lpnext = (HyperLink)e.Item.FindControl("hln");
HyperLink lplast = (HyperLink)e.Item.FindControl("hlla");
pds().CurrentPageIndex = ddlp.SelectedIndex;
int n = Convert.ToInt32(pds().PageCount);//n为分页数
int i = Convert.ToInt32(pds().CurrentPageIndex);//i为当前页
Label lblpc = (Label)e.Item.FindControl("lblpc");
lblpc.Text = n.ToString();
Label lblp = (Label)e.Item.FindControl("lblp");
lblp.Text = Convert.ToString(pds().CurrentPageIndex + 1);
if (!IsPostBack)
{
for (int j = 0; j < n; j++)
{
ddlp.Items.Add(Convert.ToString(j + 1));
}
}
if (i <= 0)
{
lpfirst.Enabled = false;
lpprev.Enabled = false;
lplast.Enabled = true;
lpnext.Enabled = true;
}
else
{
lpprev.NavigateUrl = "?page=" + (i - 1);
}
if (i >= n - 1)
{
lpfirst.Enabled = true;
lplast.Enabled = false;
lpnext.Enabled = false;
lpprev.Enabled = true;
}
else
{
lpnext.NavigateUrl = "?page=" + (i + 1);
}
lpfirst.NavigateUrl = "?page=0";//向本页传递参数page
lplast.NavigateUrl = "?page=" + (n - 1);
ddlp.SelectedIndex = Convert.ToInt32(pds().CurrentPageIndex);//更新下拉列表框中的当前选中页序号
}
}
protected void ddlp_SelectedIndexChanged(object sender, EventArgs e)
{//脚模板中的下拉列表框更改时激发
string pg=Convert.ToString((Convert.ToInt32(((DropDownList)sender).SelectedValue)-1));//获取列表框当前选中项
Response.Redirect("repeate.aspx?page="+pg);//页面转向
}
}
//repeate.aspx
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="repeate.aspx.cs" Inherits="repeate" %>
<%@ 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>无标题页</title>
</head>
<body>
<form id="form1" runat="server">
<div>
<asp:Repeater ID="Repeater1" runat="server" OnItemDataBound="Repeater1_ItemDataBound" >
<HeaderTemplate><%-- 我是头模板--%>
<table width="500">
<tr style="background-color: #ccffcc;">
<td>作者</td>
<td>书籍</td>
</tr>
</HeaderTemplate>
<ItemTemplate><%--我是项模板--%>
<tr>
<td><a href='repeate.aspx?id=<%# Eval("au_id")%>'><%# Eval("au_lname") %></a></td>
<td><asp:Repeater ID="Repeater2" runat="server" DataSource='<%# Eval("myrela") %>'>
<ItemTemplate>
<%# Eval("[\"title_id\"]") %>
</ItemTemplate>
</asp:Repeater>
</td>
</tr>
</ItemTemplate>
<SeparatorTemplate><%--这是分隔线模板--%>
<tr>
<td colspan="2">
<hr style="border-top:1pt;"/>
</td>
</tr>
</SeparatorTemplate>
<FooterTemplate><%--这是脚模板--%>
<tr>
<td colspan="2" style="font-size:12pt;color:#0099ff; background-color:#e6feda;">
共<asp:Label ID="lblpc" runat="server" Text="Label"></asp:Label>页 当前为第
<asp:Label ID="lblp" runat="server" Text="Label"></asp:Label>页
<asp:HyperLink ID="hlfir" runat="server" Text="首页"></asp:HyperLink>
<asp:HyperLink ID="hlp" runat="server" Text="上一页"></asp:HyperLink>
<asp:HyperLink ID="hln" runat="server" Text="下一页"></asp:HyperLink>
<asp:HyperLink ID="hlla" runat="server" Text="尾页"></asp:HyperLink>
跳至第
<asp:DropDownList ID="ddlp" runat="server" AutoPostBack="true" OnSelectedIndexChanged="ddlp_SelectedIndexChanged" >
</asp:DropDownList>页
</td>
</tr>
</table>
</FooterTemplate>
</asp:Repeater>
</div>
</form>
</body>
</html>
//repeate.aspx.cs
using System;
using System.Data;
using System.Data.SqlClient;
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 repeate : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
{
Repeater1.DataSource = pds();
Repeater1.DataBind();
}
}
private PagedDataSource pds()
{
string connstring = ConfigurationManager.ConnectionStrings["pconn"].ConnectionString;
SqlConnection con = new SqlConnection(connstring);
DataSet ds = new DataSet();
SqlDataAdapter sda = new SqlDataAdapter("select * from authors",con);
sda.Fill(ds,"name");
SqlDataAdapter sda2 = new SqlDataAdapter("select * from titleauthor",con);
sda2.Fill(ds,"title");
ds.Relations.Add("myrela",ds.Tables["name"].Columns["au_id"],ds.Tables["title"].Columns["au_id"]);
PagedDataSource pds = new PagedDataSource();
pds.DataSource = ds.Tables["name"].DefaultView;
pds.AllowPaging = true;//允许分页
pds.PageSize = 5;//单页显示项数
pds.CurrentPageIndex = Convert.ToInt32(Request.QueryString["page"]);
return pds;
}
protected void Repeater1_ItemDataBound(object sender, RepeaterItemEventArgs e)
{
if (e.Item.ItemType == ListItemType.Footer)
{
DropDownList ddlp = (DropDownList)e.Item.FindControl("ddlp");
HyperLink lpfirst = (HyperLink)e.Item.FindControl("hlfir");
HyperLink lpprev = (HyperLink)e.Item.FindControl("hlp");
HyperLink lpnext = (HyperLink)e.Item.FindControl("hln");
HyperLink lplast = (HyperLink)e.Item.FindControl("hlla");
pds().CurrentPageIndex = ddlp.SelectedIndex;
int n = Convert.ToInt32(pds().PageCount);//n为分页数
int i = Convert.ToInt32(pds().CurrentPageIndex);//i为当前页
Label lblpc = (Label)e.Item.FindControl("lblpc");
lblpc.Text = n.ToString();
Label lblp = (Label)e.Item.FindControl("lblp");
lblp.Text = Convert.ToString(pds().CurrentPageIndex + 1);
if (!IsPostBack)
{
for (int j = 0; j < n; j++)
{
ddlp.Items.Add(Convert.ToString(j + 1));
}
}
if (i <= 0)
{
lpfirst.Enabled = false;
lpprev.Enabled = false;
lplast.Enabled = true;
lpnext.Enabled = true;
}
else
{
lpprev.NavigateUrl = "?page=" + (i - 1);
}
if (i >= n - 1)
{
lpfirst.Enabled = true;
lplast.Enabled = false;
lpnext.Enabled = false;
lpprev.Enabled = true;
}
else
{
lpnext.NavigateUrl = "?page=" + (i + 1);
}
lpfirst.NavigateUrl = "?page=0";//向本页传递参数page
lplast.NavigateUrl = "?page=" + (n - 1);
ddlp.SelectedIndex = Convert.ToInt32(pds().CurrentPageIndex);//更新下拉列表框中的当前选中页序号
}
}
protected void ddlp_SelectedIndexChanged(object sender, EventArgs e)
{//脚模板中的下拉列表框更改时激发
string pg=Convert.ToString((Convert.ToInt32(((DropDownList)sender).SelectedValue)-1));//获取列表框当前选中项
Response.Redirect("repeate.aspx?page="+pg);//页面转向
}
}
//repeate.aspx
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="repeate.aspx.cs" Inherits="repeate" %>
<%@ 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>无标题页</title>
</head>
<body>
<form id="form1" runat="server">
<div>
<asp:Repeater ID="Repeater1" runat="server" OnItemDataBound="Repeater1_ItemDataBound" >
<HeaderTemplate><%-- 我是头模板--%>
<table width="500">
<tr style="background-color: #ccffcc;">
<td>作者</td>
<td>书籍</td>
</tr>
</HeaderTemplate>
<ItemTemplate><%--我是项模板--%>
<tr>
<td><a href='repeate.aspx?id=<%# Eval("au_id")%>'><%# Eval("au_lname") %></a></td>
<td><asp:Repeater ID="Repeater2" runat="server" DataSource='<%# Eval("myrela") %>'>
<ItemTemplate>
<%# Eval("[\"title_id\"]") %>
</ItemTemplate>
</asp:Repeater>
</td>
</tr>
</ItemTemplate>
<SeparatorTemplate><%--这是分隔线模板--%>
<tr>
<td colspan="2">
<hr style="border-top:1pt;"/>
</td>
</tr>
</SeparatorTemplate>
<FooterTemplate><%--这是脚模板--%>
<tr>
<td colspan="2" style="font-size:12pt;color:#0099ff; background-color:#e6feda;">
共<asp:Label ID="lblpc" runat="server" Text="Label"></asp:Label>页 当前为第
<asp:Label ID="lblp" runat="server" Text="Label"></asp:Label>页
<asp:HyperLink ID="hlfir" runat="server" Text="首页"></asp:HyperLink>
<asp:HyperLink ID="hlp" runat="server" Text="上一页"></asp:HyperLink>
<asp:HyperLink ID="hln" runat="server" Text="下一页"></asp:HyperLink>
<asp:HyperLink ID="hlla" runat="server" Text="尾页"></asp:HyperLink>
跳至第
<asp:DropDownList ID="ddlp" runat="server" AutoPostBack="true" OnSelectedIndexChanged="ddlp_SelectedIndexChanged" >
</asp:DropDownList>页
</td>
</tr>
</table>
</FooterTemplate>
</asp:Repeater>
</div>
</form>
</body>
</html>
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