DataGrid自动分页设置AllowPaging=True,PageStyle.Mode=NumericPages,PageButtonCount=10,可是到了第11页以后就不能自动分页了。

DataGrid自动分页设置AllowPaging=True,PageStyle.Mode=NumericPages,PageButtonCount=10。查询绑定后显示：
1 2 3 4 5 6 7 8 9 10 ...
点击"..."，会触发PageIndexChanged事件，此时显示第11页内容。分页栏显示：
11 12 13 14 15 16 17 18 19 20 ...
此时点击右边的"..."没有触发PageIndexChanged事件，而且，点击12页又回到第1页，此时在PageIndexChanged事件中检查e.NewPageIndex=1，并没有=11.

解决方案 »

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有PageCount属性，没有PageButtonCount.
我按照这个设置做了一个测试，没有发现你说的问题，一切都很正常。<%@ Page language="c#" Codebehind="WebForm7.aspx.cs" AutoEventWireup="false" Inherits="MyPlayground.WebForm7" %>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" >
<HTML>
<HEAD>
<title>WebForm7</title>
<meta name="GENERATOR" Content="Microsoft Visual Studio .NET 7.1">
<meta name="CODE_LANGUAGE" Content="C#">
<meta name="vs_defaultClientScript" content="JavaScript">
<meta name="vs_targetSchema" content="http://schemas.microsoft.com/intellisense/ie5">
</HEAD>
<body>
<form id="Form1" method="post" runat="server">
<asp:DataGrid id="dg1" runat="server" AutoGenerateColumns="True" AllowPaging="True" DataSource='<%# GetData() %>' PageSize="1">
<PagerStyle Mode="NumericPages"></PagerStyle>
</asp:DataGrid>
</form>
</body>
</HTML>
using System;
using System.Collections;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Web;
using System.Web.SessionState;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.HtmlControls;namespace MyPlayground
{
/// <summary>
/// WebForm7 的摘要说明。
/// </summary>
public class WebForm7 : System.Web.UI.Page
{
protected System.Web.UI.WebControls.DataGrid dg1;

private void Page_Load(object sender, System.EventArgs e)
{
if (!IsPostBack)
this.DataBind();
} public string[] GetData()
{
string[] arr = new string[30];
for (int i = 0; i < arr.Length; i++)
arr[i] = i.ToString();
return arr;
} #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.dg1.PageIndexChanged += new System.Web.UI.WebControls.DataGridPageChangedEventHandler(this.dg1_PageIndexChanged);
this.Load += new System.EventHandler(this.Page_Load); }
#endregion private void dg1_PageIndexChanged(object source, System.Web.UI.WebControls.DataGridPageChangedEventArgs e)
{
dg1.CurrentPageIndex = e.NewPageIndex;
dg1.DataBind();
}
}
}
你的分页事件是怎么写的，参考：
<%@ Page Language="C#" AutoEventWireup="True" %>
<%@ Import Namespace="System.Data" %>

<html>
   <script language="C#" runat="server">

      ICollection CreateDataSource()
      {
         DataTable dt = new DataTable();
         DataRow dr;

         dt.Columns.Add(new DataColumn("IntegerValue", typeof(Int32)));
         dt.Columns.Add(new DataColumn("StringValue", typeof(string)));
         dt.Columns.Add(new DataColumn("DateTimeValue", typeof(string)));
         dt.Columns.Add(new DataColumn("BoolValue", typeof(bool)));

         for (int i = 0; i < 100; i++)
         {
            dr = dt.NewRow();

            dr[0] = i;
            dr[1] = "Item " + i.ToString();
            dr[2] = DateTime.Now.ToShortDateString();
            dr[3] = (i % 2 != 0) ? true : false;

            dt.Rows.Add(dr);
         }

         DataView dv = new DataView(dt);
         return dv;
      }

      void Page_Load(Object sender, EventArgs e)
      {
         BindGrid();
      }

      void MyDataGrid_Page(Object sender, DataGridPageChangedEventArgs e)
      {
         MyDataGrid.CurrentPageIndex = e.NewPageIndex;
         BindGrid();
      }

      void BindGrid()
      {
         MyDataGrid.DataSource = CreateDataSource();
         MyDataGrid.DataBind();
         ShowStats();
      }

      void ShowStats()
      {
         lblEnabled.Text = "AllowPaging is " + MyDataGrid.AllowPaging;
         lblCurrentIndex.Text = "CurrentPageIndex is " + MyDataGrid.CurrentPageIndex;
         lblPageCount.Text = "PageCount is " + MyDataGrid.PageCount;
         lblPageSize.Text = "PageSize is " + MyDataGrid.PageSize;
      }

   </script>

<body>

   <h3>Paging with DataGrid</h3>

   <form runat=server>

      <asp:DataGrid id="MyDataGrid" runat="server"
           AllowPaging="True"
           PageSize="10"
           PagerStyle-Mode="NumericPages"
           PagerStyle-PageButtonCount="5"
           PagerStyle-HorizontalAlign="Right"
           OnPageIndexChanged="MyDataGrid_Page"
           BorderColor="black"
           BorderWidth="1"
           GridLines="Both"
           CellPadding="3"
           CellSpacing="0"
           Font-Name="Verdana"
           Font-Size="8pt"
           HeaderStyle-BackColor="#aaaadd"
           AlternatingItemStyle-BackColor="#eeeeee"/>      <p>

      <table bgcolor="#eeeeee" cellpadding="6">
         <tr>
            <td nowrap>


                  <asp:Label id="lblEnabled"
                       runat="server"/><br>
                  <asp:Label id="lblCurrentIndex"
                       runat="server"/><br>
                  <asp:Label id="lblPageCount"
                       runat="server"/><br>
                  <asp:Label id="lblPageSize"
                       runat="server"/><br>


            </td>
         </tr>
      </table>

   </form>

</body>
</html>
分页事件如此写法
    Private Sub dgdWorkFlowRecord_PageIndexChanged(ByVal source As Object, ByVal e As System.Web.UI.WebControls.DataGridPageChangedEventArgs) Handles dgdWorkFlowRecord.PageIndexChanged
        dgdWorkFlowRecord.CurrentPageIndex = e.NewPageIndex
        dgdWorkFlowRecord.DataBind()
    End Sub
<asp:datagrid id="dgdWorkFlowRecord" runat="server" Width="100%" EnableViewState="False" DataKeyField="WorkFlowID"
                                        AutoGenerateColumns="False" BorderColor="Silver" BorderStyle="None" CellSpacing="1" BorderWidth="1px"
                                        BackColor="White" CellPadding="2" GridLines="None" AllowPaging="True" AllowSorting="True"
                                        PageSize="20">
                                        <SelectedItemStyle Font-Bold="True" ForeColor="White" BackColor="#9471DE"></SelectedItemStyle>
                                        <EditItemStyle Wrap="False"></EditItemStyle>
                                        <AlternatingItemStyle Wrap="False" Height="7px" BackColor="White"></AlternatingItemStyle>
                                        <ItemStyle Wrap="False" Height="7px" ForeColor="Black" BackColor="#DEDFDE"></ItemStyle>
                                        <HeaderStyle Font-Bold="True" Wrap="False" ForeColor="#E7E7FF" BackColor="#4A3C8C"></HeaderStyle>
                                        <FooterStyle Wrap="False" ForeColor="Black" BackColor="#C6C3C6"></FooterStyle>
                                        <Columns>
                                            <asp:HyperLinkColumn DataNavigateUrlField="WorkFlowID" DataNavigateUrlFormatString="workflowview.aspx?WorkFlowID={0}"
                                                DataTextField="WorkFlowID" SortExpression="WorkFlowID" HeaderText="工单ID">
                                                <HeaderStyle Wrap="False"></HeaderStyle>
                                                <ItemStyle Wrap="False"></ItemStyle>
                                            </asp:HyperLinkColumn>
                                            <asp:BoundColumn DataField="ServiceRecordID" SortExpression="ServiceRecordID" ReadOnly="True" HeaderText="客服单ID">
                                                <HeaderStyle Wrap="False" Width="60px"></HeaderStyle>
                                                <ItemStyle Wrap="False"></ItemStyle>
                                            </asp:BoundColumn>
                                            <asp:BoundColumn DataField="EnteredDate" SortExpression="EnteredDate" HeaderText="派单日期">
                                                <HeaderStyle Wrap="False" Width="120px"></HeaderStyle>
                                                <ItemStyle Wrap="False"></ItemStyle>
                                            </asp:BoundColumn>
                                            <asp:BoundColumn DataField="EnteredByName" SortExpression="EnteredByName" ReadOnly="True" HeaderText="派单人">
                                                <HeaderStyle Wrap="False" Width="60px"></HeaderStyle>
                                                <ItemStyle Wrap="False"></ItemStyle>
                                            </asp:BoundColumn>
                                            <asp:BoundColumn DataField="TermDay" SortExpression="TermDay" ReadOnly="True" HeaderText="时限">
                                                <HeaderStyle Wrap="False" Width="60px"></HeaderStyle>
                                                <ItemStyle Wrap="False"></ItemStyle>
                                            </asp:BoundColumn>
                                            <asp:BoundColumn DataField="StatusName" SortExpression="StatusID" ReadOnly="True" HeaderText="状态">
                                                <HeaderStyle Wrap="False" Width="60px"></HeaderStyle>
                                                <ItemStyle Wrap="False"></ItemStyle>
                                            </asp:BoundColumn>
                                            <asp:BoundColumn DataField="LiabilityName" SortExpression="LiabilityID" ReadOnly="True" HeaderText="责任类型">
                                                <HeaderStyle Wrap="False" Width="60px"></HeaderStyle>
                                                <ItemStyle Wrap="False"></ItemStyle>
                                            </asp:BoundColumn>
                                        </Columns>
                                        <PagerStyle NextPageText="下一页&gt;" PrevPageText="&lt;上一页" HorizontalAlign="Right" ForeColor="Black"
                                            BackColor="#C6C3C6" Wrap="False" Mode="NumericPages"></PagerStyle>
                                    </asp:datagrid>
datagrid为表格的名字
DataTable dt;
datagrid.CurrentPageIndex = e.NewPageIndex;
datagrid.DataSource = dt; //重新绑定一次
datagrid.DataBind();
原来与这个属性有关EnableViewState="False"，把这项去掉就可以了。一个碰巧的机会，试了一下，发现就可以了。请问各位大侠，是不是与这个有关系？
ViewState 里存储了当前页面的一些状态信息，是 Base64 编码过的，包括你这个 DataGrid 的分页信息。在每次 postback 的时候服务器端再解码，恢复到控件的属性上，以便再次发送给客户端。http://dev.csdn.net/article/46/46866.shtm