protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
{
InitData();
}
} /// <summary>
/// 数据初始化
/// </summary>
protected void InitData()
{
int Pageindex = 0;
Business.Select bs = new Business.Select();
bs.Area = Session["strArea"].ToString();
//对用于分页的类的引用
PagedDataSource pds = new PagedDataSource();
pds.DataSource = bs.SelectUser().Tables[0].DefaultView;
pds.AllowPaging = true;
//每页显示的行数
pds.PageSize = 1; if (Request.QueryString["Page"] != null)
{
Pageindex = Convert.ToInt32(Request.QueryString["Page"]);
}
else
{
Pageindex = 1;
}
//设置当前页
if (Pageindex < 1)
{
Pageindex = 1;
}
pds.CurrentPageIndex = Pageindex - 1; dlList.DataSource = pds;
dlList.DataBind(); //显示页码
lbCount.Text = pds.DataSourceCount.ToString(); //总记录条数
lbTotal.Text = pds.PageCount.ToString(); //总页数
lbCurrent.Text = Pageindex.ToString(); //当前页
//ddlCount.Text = Jump_List(pds.PageCount, Pageindex, L_Manage);
for (int i = 1; i <= pds.PageCount; i++)
{
ddlCount.Items.Add(i.ToString());
} HlFirst.NavigateUrl = Request.CurrentExecutionFilePath + "?Page=" + 1;
HlPrev.NavigateUrl = Request.CurrentExecutionFilePath + "?Page=" + (Pageindex - 1);
HlNext.NavigateUrl = Request.CurrentExecutionFilePath + "?Page=" + (Pageindex + 1);
HlLast.NavigateUrl = Request.CurrentExecutionFilePath + "?Page=" + pds.PageCount.ToString();
//确定链接的显示方式
if (Pageindex <= 1 && pds.PageCount <= 1)
{
HlFirst.NavigateUrl = "";
HlPrev.NavigateUrl = "";
HlNext.NavigateUrl = "";
HlLast.NavigateUrl = "";
}
if (Pageindex <= 1 && pds.PageCount > 1)
{
HlFirst.NavigateUrl = "";
HlPrev.NavigateUrl = "";
}
if (Pageindex >= pds.PageCount)
{
HlNext.NavigateUrl = "";
HlLast.NavigateUrl = "";
}
}
第一次加载页面的时候,一切正常,点击下一页的时候数据没有加载上去,望各位高手指点迷津,谢谢~
{
if (!IsPostBack)
{
InitData();
}
} /// <summary>
/// 数据初始化
/// </summary>
protected void InitData()
{
int Pageindex = 0;
Business.Select bs = new Business.Select();
bs.Area = Session["strArea"].ToString();
//对用于分页的类的引用
PagedDataSource pds = new PagedDataSource();
pds.DataSource = bs.SelectUser().Tables[0].DefaultView;
pds.AllowPaging = true;
//每页显示的行数
pds.PageSize = 1; if (Request.QueryString["Page"] != null)
{
Pageindex = Convert.ToInt32(Request.QueryString["Page"]);
}
else
{
Pageindex = 1;
}
//设置当前页
if (Pageindex < 1)
{
Pageindex = 1;
}
pds.CurrentPageIndex = Pageindex - 1; dlList.DataSource = pds;
dlList.DataBind(); //显示页码
lbCount.Text = pds.DataSourceCount.ToString(); //总记录条数
lbTotal.Text = pds.PageCount.ToString(); //总页数
lbCurrent.Text = Pageindex.ToString(); //当前页
//ddlCount.Text = Jump_List(pds.PageCount, Pageindex, L_Manage);
for (int i = 1; i <= pds.PageCount; i++)
{
ddlCount.Items.Add(i.ToString());
} HlFirst.NavigateUrl = Request.CurrentExecutionFilePath + "?Page=" + 1;
HlPrev.NavigateUrl = Request.CurrentExecutionFilePath + "?Page=" + (Pageindex - 1);
HlNext.NavigateUrl = Request.CurrentExecutionFilePath + "?Page=" + (Pageindex + 1);
HlLast.NavigateUrl = Request.CurrentExecutionFilePath + "?Page=" + pds.PageCount.ToString();
//确定链接的显示方式
if (Pageindex <= 1 && pds.PageCount <= 1)
{
HlFirst.NavigateUrl = "";
HlPrev.NavigateUrl = "";
HlNext.NavigateUrl = "";
HlLast.NavigateUrl = "";
}
if (Pageindex <= 1 && pds.PageCount > 1)
{
HlFirst.NavigateUrl = "";
HlPrev.NavigateUrl = "";
}
if (Pageindex >= pds.PageCount)
{
HlNext.NavigateUrl = "";
HlLast.NavigateUrl = "";
}
}
第一次加载页面的时候,一切正常,点击下一页的时候数据没有加载上去,望各位高手指点迷津,谢谢~
protected void Page_Load(object sender, EventArgs e)
{
if (!Page.IsPostBack)
{
FillData();
}
}
static PagedDataSource Pds;
void FillData()
{
SqlConnection Conn = new SqlConnection("Data Source=192.168.1.30;database=Ticket_Info_Data;UID=sa;Password=sa;Persist Security Info=True;");
Conn.Open();
SqlDataAdapter Sda = new SqlDataAdapter("select * from DomesticFlight", Conn);
DataSet Ds = new DataSet();
Sda.Fill(Ds);
Pds = new PagedDataSource();
Pds.DataSource = Ds.Tables[0].DefaultView;
Pds.AllowPaging = true;
Pds.PageSize = 6;
this.DataList1.DataSource = Pds;
this.DataList1.DataBind();
Conn.Close();
}
protected void Button1_Click(object sender, EventArgs e)
{
PastText i = new PastText();
this.TextBox2.Text = i.AddThickness(this.TextBox1.Text);
this.Response.Write(this.TextBox2.Text.Length);
}
protected void LinkButton2_Click(object sender, EventArgs e)
{
Pds.CurrentPageIndex++;
this.DataList1.DataSource = Pds;
this.DataList1.DataBind();
}
protected void LinkButton1_Click(object sender, EventArgs e)
{
Pds.CurrentPageIndex--;
this.DataList1.DataSource = Pds;
this.DataList1.DataBind();
}
如果绑了你就跟踪一下 看看是那里的问题 应该很好解决啊
{
if (!IsPostBack)
{
InitData();
}
}
这个不行吧,每次都要加载的
drk928(一起看斜阳) ( ) 信誉:105
就他们说的,绝对没问题
什么重新帮定都是扯的,也不看看具体的问题
whb147(苦乐随缘) ( ) 信誉:100 2007-09-11 11:52:25 得分: 0
drk928(一起看斜阳) ( ) 信誉:105
就他们说的,绝对没问题
什么重新帮定都是扯的,也不看看具体的问题
============================================================================if (!IsPostBack) 去掉了也不行啊~
开始还没看清楚原来你没用到这个PAGEINDEX,不是
pds.CurrentPageIndex = Pageindex - 1; dlList.DataSource = pds;
dlList.DataBind();
这么简单就可以了的
这样你得到的数据集每次都是一样的,变的只有Pageindex
那是你去数据的方式有问题,你应该拿着各个获取到的PAGEINDEX查数据
开始还没看清楚原来你没用到这个PAGEINDEX,不是
pds.CurrentPageIndex = Pageindex - 1; dlList.DataSource = pds;
dlList.DataBind();
这么简单就可以了的
这样你得到的数据集每次都是一样的,变的只有Pageindex
===============================================================
谢谢,那我应该怎么处理?
private void Bind(int intCurrentPage)
{
string ErrMessage = null;
Mod_Business User_Biz=new Mod_Business();
User_Biz.iPageIndex=intCurrentPage;
if(User_Biz.Get_SystemList(out ErrMessage))
{
AspNetPager_grd.Visible = true;
AspNetPager_grd.CustomInfoText = "<br>符合条件 记录数:" + User_Biz.iRecordCount+ " 总页数 为:" + User_Biz.iPageCount + " 当前页为:" + User_Biz.iPageIndex + "<br>";
AspNetPager_grd.RecordCount = User_Biz.iRecordCount;
AspNetPager_grd.PageSize = User_Biz.iPageSize;
AspNetPager_grd.DataBind();
gridsysname.DataSource=User_Biz.ResultDS.Tables[1].DefaultView;;
gridsysname.DataBind();
}
lbl_err.Text=ErrMessage;
不去掉.if (!IsPostBack)加个翻页控件AspNetPager_grd就好了.
private void Bind(int intCurrentPage)
{
string ErrMessage = null;
Mod_Business User_Biz=new Mod_Business();
User_Biz.iPageIndex=intCurrentPage;
if(User_Biz.Get_SystemList(out ErrMessage))
{
AspNetPager_grd.Visible = true;
AspNetPager_grd.CustomInfoText = "<br/>符合条件 记录数:" + User_Biz.iRecordCount+ " 总页数 为:" + User_Biz.iPageCount + " 当前页为:" + User_Biz.iPageIndex + "<br/>";
AspNetPager_grd.RecordCount = User_Biz.iRecordCount;
AspNetPager_grd.PageSize = User_Biz.iPageSize;
AspNetPager_grd.DataBind();gridsysname.DataSource=User_Biz.ResultDS.Tables[1].DefaultView;;
gridsysname.DataBind();
}
lbl_err.Text=ErrMessage;
===============================================================================
谢谢!
不添加第三方控件能实现吗?
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 usercontrols_booklist : System.Web.UI.UserControl
{
int page = 0;
int a = 0;
int b = 0;
int howmanybooks;
int howmanypages;
DataTable table = null;
public void bind()
{
table = dbmanger.getbooklist(Int32.Parse(Request.QueryString["smallcategoryid"]), page, out howmanybooks, out howmanypages);
booklist.DataSource = table;
booklist.DataBind();
} protected void Page_Load(object sender, EventArgs e)
{
if (Request.QueryString["smallcategoryid"]!=null&Request.QueryString ["page"]==null)
{
page = 1;
a = page;
bind();
up.Enabled = false;
down.NavigateUrl ="../book.aspx?bigcategoryid=" + Request.QueryString["bigcategoryid"] +
"&smallcategoryid=" + Request.QueryString["smallcategoryid"] + "&page=" + (++a);
}
else if(Request.QueryString ["page"]!=null)
{
page =Int32 .Parse (Request.QueryString["page"]);
bind();
if (page > 1&page<=howmanypages)
{
up.Enabled = true;
a = page;
b = page;
up.NavigateUrl = "../book.aspx?bigcategoryid=" + Request.QueryString["bigcategoryid"] +
"&smallcategoryid=" + Request.QueryString["smallcategoryid"] + "&page=" + (--b);
down.NavigateUrl = "../book.aspx?bigcategoryid=" + Request.QueryString["bigcategoryid"] +
"&smallcategoryid=" + Request.QueryString["smallcategoryid"] + "&page=" + (++a);
}
else if (page == 1)
{
a = page;
b = page;
up.Enabled = false;
down.NavigateUrl = "../book.aspx?bigcategoryid=" + Request.QueryString["bigcategoryid"] +
"&smallcategoryid=" + Request.QueryString["smallcategoryid"] + "&page=" + (++a); }
else
{
a = page;
b = page;
down.Enabled = false;
up.NavigateUrl = "../book.aspx?bigcategoryid=" + Request.QueryString["bigcategoryid"] +
"&smallcategoryid=" + Request.QueryString["smallcategoryid"] + "&page=" + (--b);
}
}
}
}
我编的一个有点愚蠢的代码,但是可以实现翻页。
<%@ Control Language="C#" AutoEventWireup="true" CodeFile="booklist.ascx.cs" Inherits="usercontrols_booklist" %>
<br />
<asp:HyperLink ID="up" runat="server">上一页</asp:HyperLink>
<asp:HyperLink ID="down" runat="server">下一页</asp:HyperLink><br />
<asp:DataList ID="booklist" runat="server" EnableViewState="False" OnItemCommand="booklist_ItemCommand">
<ItemTemplate>
<asp:Image ID="image" runat="server"/>
<asp:HyperLink ID="bookname" runat="server" Text ='<%#Eval("bookname")%>' NavigateUrl ='<%#"../aboutbook.aspx?bookid="+Eval("bookid")%>'></asp:HyperLink>
<asp:Button ID="buy" runat="server" Text="购买" CommandArgument='<%#Eval("bookid")%>'/><br />
<asp:Label ID="bookauthor" runat="server" Text ='<%#Eval("bookauthor")%>'></asp:Label><br />
<asp:Label ID="bookconcern" runat="server" Text ='<%#Eval("bookconcern")%>'></asp:Label><br />
<asp:Label ID="price" runat="server" Text ='<%#Eval("bookprice")%>'></asp:Label><br />
<asp:Label ID="description" runat="server" Text ='<%#Eval("description")%>'></asp:Label>
</ItemTemplate>
</asp:DataList>
==================================
谢谢,写的不错,结贴了~
那里高手比较多,可能有人知道