AspNetpager分页控件问题? 给datalist分页,设定好每页显示的数量,页数能够算出来,但点击每一页都只显示第一页? 解决方案 » 免费领取超大流量手机卡,每月29元包185G流量+100分钟通话, 中国电信官方发货 是下面的吗? void ChangePage(object src,Wuqi.Webdiyer.PageChangedEventArgs e) { AspNetPager1.CurrentPageIndex=e.NewPageIndex; BindData(); } 是得,还有你绑定数据得时候要写在if(!PostBack){}里面,不然,每次刷新页面会重新绑定控件得,你看到得永远是第一页。 没用过datalist,哈,着就研究研究给你顶先 你是怎么绑定数据的?把BindData();方法的代码帖出来看看。谢谢! private void InitializeComponent(){this.NetPage.PageChanged += new Wuqi.Webdiyer.PageChangedEventHandler(this.NetPage_PageChanged);}NetPage为控件名字 在private void InitializeComponent(){//加上下面这句话this.NetPage.PageChanged += new Wuqi.Webdiyer.PageChangedEventHandler(this.NetPage_PageChanged);//NetPage为控件名字} 给你说明白点//在private void InitializeComponent(){//加上下面这句话this.NetPage.PageChanged += new Wuqi.Webdiyer.PageChangedEventHandler(this.NetPage_PageChanged);//其中NetPage改为你给控件起的名字 }这样 你点击页面才会变 不然只会第一页 还有就是 你把控件剪贴移动位置 这句都要写过~~~ 给你说明白点//在private void InitializeComponent(){//加上下面这句话this.NetPage.PageChanged += new Wuqi.Webdiyer.PageChangedEventHandler(this.NetPage_PageChanged);//其中NetPage改为你给控件起的名字 }这样 你点击页面才会变 不然只会第一页 还有就是 你把控件剪贴移动位置 这句都要写过~~~ 今天早上上班心情很好,来了没有5分钟问题就解决了!!!非常感谢 webdiyer(陕北吴旗娃) 老师的控件。也感谢回帖的人,尤其是gzliuxi(左右), wjcking(www.cs-aspx.net) 的解答! 我刚看到一篇很好的帖子:把内容贴出来给你看吧: <%@ Page language="c#" Codebehind="WebForm1.aspx.cs" AutoEventWireup="false" Inherits="DataGrid1.WebForm1" %><!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" ><HTML> <HEAD> <title>WebForm1</title> <meta content="Microsoft Visual Studio 7.0" name="GENERATOR"> <meta content="C#" name="CODE_LANGUAGE"> <meta content="JavaScript" name="vs_defaultClientScript"> <meta content="http://schemas.microsoft.com/intellisense/ie5" name="vs_targetSchema"> </HEAD> <body MS_POSITIONING="GridLayout"> <form id="Form1" method="post" runat="server"> <table align="center"> <tr> <td style="HEIGHT: 104px" colspan="2"> <asp:datagrid id="DataGrid1" runat="server" Width="700px" Height="152px" BorderColor="#FFC080" BorderWidth="1px" BackColor="#FFE0C0" CellPadding="3" AllowPaging="True" HorizontalAlign="Center" Font-Names="Verdana" Font-Size="8pt"> <AlternatingItemStyle BackColor="Linen"></AlternatingItemStyle> <ItemStyle VerticalAlign="Bottom"></ItemStyle> <HeaderStyle HorizontalAlign="Center" VerticalAlign="Bottom" BackColor="#FF8000"></HeaderStyle> <FooterStyle HorizontalAlign="Justify" BackColor="White"></FooterStyle> <PagerStyle HorizontalAlign="Right" ForeColor="Red" Mode="NumericPages"></PagerStyle> </asp:datagrid></td> </tr> <tr align="center"> <td align="left"><font size="2">一共</font> <asp:Label ID="lblallcount" Runat="server" Font-size="8pt" ForeColor="#0000ff" font-names="verdana"></asp:Label> <font size="2">记录</font> <font size="2">共</font> <asp:label id="lblpagecount" runat="server" Font-Size="8pt" ForeColor="#0000ff" Font-Names="Verdana"></asp:label> <font size="2">页</font> <font size="2">第</font> <asp:label id="lblcurrentindex" runat="server" Font-Size="8pt" ForeColor="#0000ff" Font-Names="Verdana"></asp:label> <font size="2">页</font></td> <td align="right"><asp:linkbutton id="first" runat="server" font-size="8pt" ForeColor="#3300ff" CommandArgument="first" Font-Names="Verdana"></asp:linkbutton> <asp:linkbutton id="prev" Font-Size="8pt" ForeColor="#3300ff" CommandArgument="prev" Runat="server" Font-Names="Verdana"></asp:linkbutton> <asp:linkbutton id="next" Font-Size="8pt" ForeColor="#3300ff" CommandArgument="next" Runat="server" Font-Names="Verdana"></asp:linkbutton> <asp:linkbutton id="last" Font-Size="8pt" ForeColor="#3300ff" CommandArgument="last" Runat="server" Font-Names="Verdana"></asp:linkbutton> <font size="2">跳转到第</font><asp:TextBox ID="to" Runat="server" Columns="1" /><font size="2">页</font><asp:Button ID="go" Text="GO" Runat="server" BackColor="WhiteSmoke" Font-Names="Verdana" /> </td> </tr> </table> </form> </body></HTML>上面是html 下面是c#代码: public class WebForm1 : System.Web.UI.Page { protected System.Web.UI.WebControls.Label lblallcount; protected System.Web.UI.WebControls.Label lblpagecount; protected System.Web.UI.WebControls.Label lblcurrentindex; protected System.Web.UI.WebControls.LinkButton first; protected System.Web.UI.WebControls.LinkButton prev; protected System.Web.UI.WebControls.LinkButton next; protected System.Web.UI.WebControls.LinkButton last; protected System.Web.UI.WebControls.TextBox to; protected System.Web.UI.WebControls.Button go; protected System.Web.UI.WebControls.DataGrid DataGrid1; private void Page_Load(object sender, System.EventArgs e) { // 在此处放置用户代码以初始化页面 first.Text="最首页"; prev.Text="前一页"; next.Text="下一页"; last.Text="最后页"; if(!IsPostBack) { BindGrid(); } } #region Web 窗体设计器生成的代码 override protected void OnInit(EventArgs e) { // // CODEGEN: 该调用是 ASP.NET Web 窗体设计器所必需的。 // InitializeComponent(); base.OnInit(e); } /// <summary> /// 设计器支持所需的方法 - 不要使用代码编辑器修改 /// 此方法的内容。 /// </summary> private void InitializeComponent() { this.DataGrid1.PageIndexChanged += new System.Web.UI.WebControls.DataGridPageChangedEventHandler(this.Page_Changed); this.first.Click += new System.EventHandler(this.btnClick); this.prev.Click += new System.EventHandler(this.btnClick); this.next.Click += new System.EventHandler(this.btnClick); this.last.Click += new System.EventHandler(this.btnClick); this.go.Click += new System.EventHandler(this.goClick); this.Load += new System.EventHandler(this.Page_Load); } #endregion void Page_Changed(object source, System.Web.UI.WebControls.DataGridPageChangedEventArgs e) { DataGrid1.CurrentPageIndex=e.NewPageIndex; BindGrid(); } void BindGrid() { SqlConnection cn=new SqlConnection("Server=localhost;uid=sa;pwd=aaa;Database=sinco"); cn.Open(); SqlDataAdapter da=new SqlDataAdapter("select * from 员工 order by 序号",cn); DataSet ds=new DataSet(); da.Fill(ds,"员工"); DataGrid1.DataSource=ds.Tables["员工"].DefaultView; //或者DataGrid1.DataSource=ds.Tables["员工"]; DataGrid1.DataBind(); cn.Close(); showstate(); } void showstate() { SqlConnection cn=new SqlConnection("Server=localhost;uid=sa;pwd=aaa;Database=sinco"); cn.Open(); SqlDataAdapter da=new SqlDataAdapter("select * from 员工 order by 序号",cn); DataSet ds=new DataSet(); da.Fill(ds,"员工"); DataTable dt=ds.Tables["员工"]; int count=dt.Rows.Count; lblallcount.Text=count.ToString(); lblpagecount.Text=DataGrid1.PageCount.ToString(); lblcurrentindex.Text=(DataGrid1.CurrentPageIndex+1).ToString(); } void btnClick(object sender,System.EventArgs e) { string arg=((LinkButton)sender).CommandArgument; switch(arg) { case ("first"): DataGrid1.CurrentPageIndex=0; break; case ("prev"): if(DataGrid1.CurrentPageIndex>0) DataGrid1.CurrentPageIndex--; break; case ("next"): if(DataGrid1.CurrentPageIndex<(DataGrid1.PageCount-1)) DataGrid1.CurrentPageIndex++; break; case ("last"): DataGrid1.CurrentPageIndex=DataGrid1.PageCount-1; break; default: DataGrid1.CurrentPageIndex=Convert.ToInt32(arg); break; } BindGrid(); } private void goClick(object sender, System.EventArgs e) { if(to.Text.Trim()!="") { int index=Int32.Parse(to.Text.Trim())-1; if(index>=0&&index<DataGrid1.PageCount) { DataGrid1.CurrentPageIndex=index; } } BindGrid(); } } 对你应该有用! 图片循环滚动 asp.net 水晶报表如何读取数据库里的图片路径 asp.net 图片不存在时显示一个默认的图片?(不是说在每个图片里加判断) 日访问量10W左右的网站,怎么选择服务器? webconfig的配置? 请问如何用五行代码让页面中的五个或所有的TextBox服务器控件的值都为1 高分送简单的问题!快来啊! 如何判断链接是否有效??? 运行水晶报表:登陆失败 高手你知道,我觉得真得只有高手才知道是怎么回事情了 求介绍报表方面的书(C#)? 图片处理高手请进!
void ChangePage(object src,Wuqi.Webdiyer.PageChangedEventArgs e)
{
AspNetPager1.CurrentPageIndex=e.NewPageIndex;
BindData();
}
还有你绑定数据得时候要写在
if(!PostBack)
{
}
里面,不然,每次刷新页面会重新绑定控件得,你看到得永远是第一页。
给你顶先
{
this.NetPage.PageChanged += new Wuqi.Webdiyer.PageChangedEventHandler(this.NetPage_PageChanged);}
NetPage为控件名字
private void InitializeComponent()
{
//加上下面这句话
this.NetPage.PageChanged += new Wuqi.Webdiyer.PageChangedEventHandler(this.NetPage_PageChanged);
//NetPage为控件名字
}
private void InitializeComponent()
{
//加上下面这句话
this.NetPage.PageChanged += new Wuqi.Webdiyer.PageChangedEventHandler(this.NetPage_PageChanged);
//其中NetPage改为你给控件起的名字
}这样 你点击页面才会变 不然只会第一页 还有就是 你把控件剪贴移动位置 这句都要写过~~~
private void InitializeComponent()
{
//加上下面这句话
this.NetPage.PageChanged += new Wuqi.Webdiyer.PageChangedEventHandler(this.NetPage_PageChanged);
//其中NetPage改为你给控件起的名字
}这样 你点击页面才会变 不然只会第一页 还有就是 你把控件剪贴移动位置 这句都要写过~~~
非常感谢 webdiyer(陕北吴旗娃) 老师的控件。
也感谢回帖的人,尤其是gzliuxi(左右), wjcking(www.cs-aspx.net) 的解答!
<%@ Page language="c#" Codebehind="WebForm1.aspx.cs" AutoEventWireup="false" Inherits="DataGrid1.WebForm1" %>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" >
<HTML>
<HEAD>
<title>WebForm1</title>
<meta content="Microsoft Visual Studio 7.0" name="GENERATOR">
<meta content="C#" name="CODE_LANGUAGE">
<meta content="JavaScript" name="vs_defaultClientScript">
<meta content="http://schemas.microsoft.com/intellisense/ie5" name="vs_targetSchema">
</HEAD>
<body MS_POSITIONING="GridLayout">
<form id="Form1" method="post" runat="server">
<table align="center">
<tr>
<td style="HEIGHT: 104px" colspan="2">
<asp:datagrid id="DataGrid1" runat="server" Width="700px" Height="152px" BorderColor="#FFC080"
BorderWidth="1px" BackColor="#FFE0C0" CellPadding="3" AllowPaging="True" HorizontalAlign="Center"
Font-Names="Verdana" Font-Size="8pt">
<AlternatingItemStyle BackColor="Linen"></AlternatingItemStyle>
<ItemStyle VerticalAlign="Bottom"></ItemStyle>
<HeaderStyle HorizontalAlign="Center" VerticalAlign="Bottom" BackColor="#FF8000"></HeaderStyle>
<FooterStyle HorizontalAlign="Justify" BackColor="White"></FooterStyle>
<PagerStyle HorizontalAlign="Right" ForeColor="Red" Mode="NumericPages"></PagerStyle>
</asp:datagrid></td>
</tr>
<tr align="center">
<td align="left"><font size="2">一共</font> <asp:Label ID="lblallcount" Runat="server" Font-size="8pt" ForeColor="#0000ff" font-names="verdana"></asp:Label> <font size="2">记录</font>
<font size="2">共</font> <asp:label id="lblpagecount" runat="server" Font-Size="8pt" ForeColor="#0000ff" Font-Names="Verdana"></asp:label> <font size="2">页</font>
<font size="2">第</font> <asp:label id="lblcurrentindex" runat="server" Font-Size="8pt" ForeColor="#0000ff" Font-Names="Verdana"></asp:label> <font size="2">页</font></td>
<td align="right"><asp:linkbutton id="first" runat="server" font-size="8pt" ForeColor="#3300ff" CommandArgument="first"
Font-Names="Verdana"></asp:linkbutton>
<asp:linkbutton id="prev" Font-Size="8pt" ForeColor="#3300ff" CommandArgument="prev" Runat="server"
Font-Names="Verdana"></asp:linkbutton>
<asp:linkbutton id="next" Font-Size="8pt" ForeColor="#3300ff" CommandArgument="next" Runat="server"
Font-Names="Verdana"></asp:linkbutton>
<asp:linkbutton id="last" Font-Size="8pt" ForeColor="#3300ff" CommandArgument="last" Runat="server"
Font-Names="Verdana"></asp:linkbutton>
<font size="2">跳转到第</font><asp:TextBox ID="to" Runat="server" Columns="1" /><font size="2">页</font><asp:Button ID="go" Text="GO" Runat="server" BackColor="WhiteSmoke" Font-Names="Verdana" />
</td>
</tr>
</table>
</form>
</body>
</HTML>
上面是html
下面是c#代码:
public class WebForm1 : System.Web.UI.Page
{
protected System.Web.UI.WebControls.Label lblallcount;
protected System.Web.UI.WebControls.Label lblpagecount;
protected System.Web.UI.WebControls.Label lblcurrentindex;
protected System.Web.UI.WebControls.LinkButton first;
protected System.Web.UI.WebControls.LinkButton prev;
protected System.Web.UI.WebControls.LinkButton next;
protected System.Web.UI.WebControls.LinkButton last;
protected System.Web.UI.WebControls.TextBox to;
protected System.Web.UI.WebControls.Button go;
protected System.Web.UI.WebControls.DataGrid DataGrid1;
private void Page_Load(object sender, System.EventArgs e)
{
// 在此处放置用户代码以初始化页面
first.Text="最首页";
prev.Text="前一页";
next.Text="下一页";
last.Text="最后页";
if(!IsPostBack)
{
BindGrid();
} }
#region Web 窗体设计器生成的代码
override protected void OnInit(EventArgs e)
{
//
// CODEGEN: 该调用是 ASP.NET Web 窗体设计器所必需的。
//
InitializeComponent();
base.OnInit(e);
}
/// <summary>
/// 设计器支持所需的方法 - 不要使用代码编辑器修改
/// 此方法的内容。
/// </summary>
private void InitializeComponent()
{
this.DataGrid1.PageIndexChanged += new System.Web.UI.WebControls.DataGridPageChangedEventHandler(this.Page_Changed);
this.first.Click += new System.EventHandler(this.btnClick);
this.prev.Click += new System.EventHandler(this.btnClick);
this.next.Click += new System.EventHandler(this.btnClick);
this.last.Click += new System.EventHandler(this.btnClick);
this.go.Click += new System.EventHandler(this.goClick);
this.Load += new System.EventHandler(this.Page_Load); }
#endregion void Page_Changed(object source, System.Web.UI.WebControls.DataGridPageChangedEventArgs e)
{
DataGrid1.CurrentPageIndex=e.NewPageIndex;
BindGrid();
} void BindGrid()
{
SqlConnection cn=new SqlConnection("Server=localhost;uid=sa;pwd=aaa;Database=sinco");
cn.Open();
SqlDataAdapter da=new SqlDataAdapter("select * from 员工 order by 序号",cn);
DataSet ds=new DataSet();
da.Fill(ds,"员工");
DataGrid1.DataSource=ds.Tables["员工"].DefaultView;
//或者DataGrid1.DataSource=ds.Tables["员工"];
DataGrid1.DataBind();
cn.Close();
showstate();
} void showstate()
{
SqlConnection cn=new SqlConnection("Server=localhost;uid=sa;pwd=aaa;Database=sinco");
cn.Open();
SqlDataAdapter da=new SqlDataAdapter("select * from 员工 order by 序号",cn);
DataSet ds=new DataSet();
da.Fill(ds,"员工");
DataTable dt=ds.Tables["员工"];
int count=dt.Rows.Count;
lblallcount.Text=count.ToString();
lblpagecount.Text=DataGrid1.PageCount.ToString();
lblcurrentindex.Text=(DataGrid1.CurrentPageIndex+1).ToString();
} void btnClick(object sender,System.EventArgs e)
{
string arg=((LinkButton)sender).CommandArgument;
switch(arg)
{
case ("first"):
DataGrid1.CurrentPageIndex=0;
break;
case ("prev"):
if(DataGrid1.CurrentPageIndex>0)
DataGrid1.CurrentPageIndex--;
break;
case ("next"):
if(DataGrid1.CurrentPageIndex<(DataGrid1.PageCount-1))
DataGrid1.CurrentPageIndex++;
break;
case ("last"):
DataGrid1.CurrentPageIndex=DataGrid1.PageCount-1;
break;
default:
DataGrid1.CurrentPageIndex=Convert.ToInt32(arg);
break;
}
BindGrid();
}
private void goClick(object sender, System.EventArgs e)
{
if(to.Text.Trim()!="")
{
int index=Int32.Parse(to.Text.Trim())-1;
if(index>=0&&index<DataGrid1.PageCount)
{
DataGrid1.CurrentPageIndex=index;
}
}
BindGrid();
}
}
对你应该有用!