功能较全的DataGrid分页[收藏]

最新推荐文章于 2025-05-14 10:02:46 发布

nehu

最新推荐文章于 2025-05-14 10:02:46 发布

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分类专栏： .NET 文章标签： datagrid hyperlink server asp textbox null

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<%@ Page language="c#" Codebehind="DataGrid2.aspx.cs" AutoEventWireup="false" Inherits="XMLYB.DataGrid2" %>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" >
<HTML>
<HEAD>
  <title></title>
  <meta content="Microsoft Visual Studio .NET 7.1" 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">
  <LINK href="style/1.css" type="text/css" rel="stylesheet">
  <script language="javascript">
  
  </script>
</HEAD>
<body>
  <form id="Form1" method="post" runat="server">
   <FONT face="宋体">
    <TABLE id="Table1" cellSpacing="0" cellPadding="0" width="100%" align="center" border="0">
     <TBODY>
      <TR>
       <TD align="center"><asp:datagrid id="DataGrid1" runat="server" BorderColor="#999999" BorderStyle="None" BorderWidth="1px"
         BackColor="White" CellPadding="1" GridLines="Vertical" HorizontalAlign="Center" Width="98%" AutoGenerateColumns="False">
         <SelectedItemStyle Font-Bold="True" ForeColor="White" BackColor="#008A8C"></SelectedItemStyle>
         <AlternatingItemStyle BackColor="Gainsboro"></AlternatingItemStyle>
         <ItemStyle ForeColor="Black" BackColor="#EEEEEE"></ItemStyle>
         <HeaderStyle Font-Bold="True" HorizontalAlign="Center" ForeColor="White" BackColor="#000084"></HeaderStyle>
         <FooterStyle ForeColor="Black" BackColor="#CCCCCC"></FooterStyle>
         <Columns>
          <asp:TemplateColumn HeaderText="ID">
           <ItemStyle HorizontalAlign="Center"></ItemStyle>
           <ItemTemplate>
            <asp:Label id="Label1" runat="server"></asp:Label>
           </ItemTemplate>
          </asp:TemplateColumn>
          <asp:BoundColumn DataField="OrderId" ReadOnly="True" HeaderText="OrderId">
           <ItemStyle HorizontalAlign="Center"></ItemStyle>
          </asp:BoundColumn>
          <asp:BoundColumn DataField="CustomerID" ReadOnly="True" HeaderText="CustomerID">
           <ItemStyle HorizontalAlign="Center"></ItemStyle>
          </asp:BoundColumn>
          <asp:BoundColumn DataField="ShipName" ReadOnly="True" HeaderText="ShipName"></asp:BoundColumn>
          <asp:BoundColumn DataField="Freight" ReadOnly="True" HeaderText="Freight">
           <ItemStyle HorizontalAlign="Center"></ItemStyle>
          </asp:BoundColumn>
          <asp:BoundColumn DataField="ShipCity" ReadOnly="True" HeaderText="ShipCity">
           <ItemStyle HorizontalAlign="Center"></ItemStyle>
          </asp:BoundColumn>
          <asp:BoundColumn DataField="ShipCountry" ReadOnly="True" HeaderText="ShipCountry">
           <ItemStyle HorizontalAlign="Center"></ItemStyle>
          </asp:BoundColumn>
          <asp:BoundColumn DataField="OrderDate" ReadOnly="True" HeaderText="OrderDate">
           <ItemStyle HorizontalAlign="Center"></ItemStyle>
          </asp:BoundColumn>
          <asp:TemplateColumn>
           <ItemStyle HorizontalAlign="Center"></ItemStyle>
           <HeaderTemplate>
            <INPUT id="chkall" type="checkbox" runat="server" onclick="checkall(this.checked)">
           </HeaderTemplate>
           <ItemTemplate>
            <INPUT id="chkid" type="checkbox" runat="server" onclick="check()">
           </ItemTemplate>
          </asp:TemplateColumn>
         </Columns>
         <PagerStyle HorizontalAlign="Center" ForeColor="Black" BackColor="#999999" Mode="NumericPages"></PagerStyle>
        </asp:datagrid></TD>
      </TR>
      <TR height="23">
       <TD align="center">
        <TABLE id="Table2" cellSpacing="0" cellPadding="0" width="98%" align="center" border="0">
         <TBODY>
          <TR>
           <TD align="left" valign="bottom">总共
            <asp:label id="Label2" runat="server" Font-Bold="True" ForeColor="Blue">1</asp:label> 条记录
            共
            <asp:label id="Label3" runat="server" Font-Bold="True" ForeColor="Blue">1</asp:label> 页
            第
            <asp:label id="Label4" runat="server" Font-Bold="True" ForeColor="Red">1</asp:label> 页
             
            <asp:hyperlink id="HyperLink1" runat="server" ToolTip="首页">首页</asp:hyperlink> 
            <asp:hyperlink id="HyperLink2" runat="server" ToolTip="上一页">上一页</asp:hyperlink> 
            <asp:hyperlink id="HyperLink3" runat="server" ToolTip="下一页">下一页</asp:hyperlink> 
            <asp:hyperlink id="HyperLink4" runat="server" ToolTip="尾页">尾页</asp:hyperlink></TD>
           <TD align="right">分页：<A id="first" title="首页" href="#" runat="server"><font face="webdings">9</font></A>
            <A id="prev10" title="上十页" href="#" runat="server"><font face="webdings">7</font></A>
            <b><A id="A1" href="#" runat="server">1</A></b> <b><A id="A2" href="#" runat="server">2</A></b>
            <b><A id="A3" href="#" runat="server">3</A></b> <b><A id="A4" href="#" runat="server">4</A></b>
            <b><A id="A5" href="#" runat="server">5</A></b> <b><A id="A6" href="#" runat="server">6</A></b>
            <b><A id="A7" href="#" runat="server">7</A></b> <b><A id="A8" href="#" runat="server">8</A></b>
            <b><A id="A9" href="#" runat="server">9</A></b> <b><A id="A10" href="#" runat="server">10</A></b>
            <A id="next10" title="下十页" href="#" runat="server"><font face="webdings">8</font></A>
            <A id="last" title="尾页" href="#" runat="server"><font face="webdings">:</font></A>
            跳转到第
            <asp:textbox id="TextBox1" runat="server" Width="30px" MaxLength="10"></asp:textbox>页
            <asp:imagebutton id="ImageButton1" runat="server" BorderWidth="0px" ImageUrl="images/go.gif" AlternateText="GO"></asp:imagebutton></B></B></TD>
          </TR>
         </TBODY>
        </TABLE>
       </TD>
      </TR>
     </TBODY>
    </TABLE>
   </FONT>
  </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;
using System.Data.SqlClient;
using X_System;

namespace XMLYB
{
/// <summary>
/// DataGrid2 的摘要说明。
/// </summary>
public class DataGrid2 : System.Web.UI.Page
{
  protected System.Web.UI.WebControls.HyperLink HyperLink1;
  protected System.Web.UI.WebControls.HyperLink HyperLink2;
  protected System.Web.UI.WebControls.HyperLink HyperLink3;
  protected System.Web.UI.WebControls.HyperLink HyperLink4;
  protected System.Web.UI.WebControls.Label Label2;
  protected System.Web.UI.WebControls.Label Label3;
  protected System.Web.UI.WebControls.Label Label4;
  protected System.Web.UI.WebControls.DataGrid DataGrid1;

  int page=1,pagesize=20,pagecount=1;

  protected System.Web.UI.HtmlControls.HtmlAnchor first;
  protected System.Web.UI.HtmlControls.HtmlAnchor prev10;
  protected System.Web.UI.HtmlControls.HtmlAnchor next10;
  protected System.Web.UI.HtmlControls.HtmlAnchor A1;
  protected System.Web.UI.HtmlControls.HtmlAnchor A2;
  protected System.Web.UI.HtmlControls.HtmlAnchor A3;
  protected System.Web.UI.HtmlControls.HtmlAnchor A4;
  protected System.Web.UI.HtmlControls.HtmlAnchor A5;
  protected System.Web.UI.HtmlControls.HtmlAnchor A6;
  protected System.Web.UI.HtmlControls.HtmlAnchor A7;
  protected System.Web.UI.HtmlControls.HtmlAnchor A8;
  protected System.Web.UI.HtmlControls.HtmlAnchor A9;
  protected System.Web.UI.HtmlControls.HtmlAnchor A10;
  protected System.Web.UI.WebControls.TextBox TextBox1;
  protected System.Web.UI.WebControls.ImageButton ImageButton1;
  protected System.Web.UI.HtmlControls.HtmlAnchor last;

  private void Page_Load(object sender, System.EventArgs e)
  {
   // 在此处放置用户代码以初始化页面
   if(!this.IsPostBack)
   {
    if(Request.QueryString["page"]!=null)
    {
     try
     {
      page = int.Parse(Request.QueryString["page"].ToString());
     }
     catch
     {
     }
    }

    PageBind();
    BindGrid();
    ButtonBind();
    PageItem();
   }
  }

  #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.ItemDataBound += new System.Web.UI.WebControls.DataGridItemEventHandler(this.DataGrid1_ItemDataBound);
   this.TextBox1.TextChanged += new System.EventHandler(this.TextBox1_TextChanged);
   this.ImageButton1.Click += new System.Web.UI.ImageClickEventHandler(this.ImageButton1_Click);
   this.Load += new System.EventHandler(this.Page_Load);

}
#endregion

  private void BindGrid()
  {
   string sql = "select * from Orders";
   SqlDataAdapter da = new SqlDataAdapter(sql,SysPub.GetSqlStr2());
   DataSet ds = new DataSet();
   da.Fill(ds,(page-1)*pagesize,pagesize,"Orders");

this.DataGrid1.DataSource = ds;
this.DataGrid1.DataBind();

ds.Clear();
ds.Dispose();

da.Dispose();
}

  private void PageBind()
  {
   this.Label4.Text = page.ToString();

string sql = "select count(1) from Orders";
int all = (int)SysData.ExecuteScalar(SysPub.GetSqlStr2(),CommandType.Text,sql);

this.Label2.Text = all.ToString();

   if(all>pagesize)
   {
    pagecount = all % pagesize;
    if(pagecount == 0)
     pagecount = all / pagesize;
    else
     pagecount = all / pagesize + 1;
   }

   if(page<0 || page>pagecount)
   {
    Response.Redirect(this.Request.CurrentExecutionFilePath);
    Response.End();
   }

this.Label3.Text = pagecount.ToString();
}

  private void ButtonBind()
  {
   this.HyperLink1.NavigateUrl = this.Request.CurrentExecutionFilePath + "?page=1";
   this.HyperLink2.NavigateUrl = this.Request.CurrentExecutionFilePath + "?page=" + (page-1);
   this.HyperLink3.NavigateUrl = this.Request.CurrentExecutionFilePath + "?page=" + (page+1);
   this.HyperLink4.NavigateUrl = this.Request.CurrentExecutionFilePath + "?page=" + pagecount;

   this.HyperLink1.Enabled = (page == 1 ? false : true);
   this.HyperLink2.Enabled = (page == 1 ? false : true);
   this.HyperLink3.Enabled = (page == pagecount ? false : true);
   this.HyperLink4.Enabled = (page == pagecount ? false : true);
  }

  private void DataGrid1_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
  {
   if(e.Item.ItemIndex != -1)
   {
    Label lb1 = (Label)e.Item.Cells[0].FindControl("Label1");
    lb1.Text += (page - 1) * pagesize + e.Item.ItemIndex + 1;

    if(e.Item.Cells[1].Text == "10248")
    {
     e.Item.Cells[1].Text = "<font color=red>haha</font>";
     e.Item.Cells[1].ToolTip = "hehe";
     e.Item.Cells[1].Font.Bold = true;
    }

if(e.Item.Cells[1].Text == "10249")
e.Item.Cells[1].Text = "<font color=blue>" + e.Item.Cells[1].Text + "</font>";

e.Item.Attributes.Add("onmouseover","this.style.backgroundColor='Gainsboro'");

if(e.Item.ItemType == ListItemType.Item)
e.Item.Attributes.Add("onmouseout","this.style.backgroundColor='#EEEEEE'");

if(e.Item.ItemType == ListItemType.AlternatingItem)
e.Item.Attributes.Add("onmouseover","this.style.backgroundColor='Gainsboro'");

e.Item.Cells[1].Attributes.Add("onclick","location.href='http://www.zz.ha.cn'");
e.Item.Cells[1].ToolTip = "单击";

    e.Item.Cells[2].Attributes.Add("ondblclick","location.href='http://www.valr.net'");
    e.Item.Cells[2].ToolTip = "双击";
   }
  }

  private void PageItem()
  {
   this.TextBox1.Text = page.ToString();

   int a1 = (page%10==0 ? (page-9) : ((page/10)*10+1));
   int a2 = (page%10==0 ? (page-8) : ((page/10)*10+2));
   int a3 = (page%10==0 ? (page-7) : ((page/10)*10+3));
   int a4 = (page%10==0 ? (page-6) : ((page/10)*10+4));
   int a5 = (page%10==0 ? (page-5) : ((page/10)*10+5));
   int a6 = (page%10==0 ? (page-4) : ((page/10)*10+6));
   int a7 = (page%10==0 ? (page-3) : ((page/10)*10+7));
   int a8 = (page%10==0 ? (page-2) : ((page/10)*10+8));
   int a9 = (page%10==0 ? (page-1) : ((page/10)*10+9));
   int a10 = (page%10==0 ? page : ((page/10)*10+10));

   A1.InnerHtml =(a1==page ? ("<font color=#ff0000>"+a1.ToString()+"</font>"): a1.ToString());
   A2.InnerHtml =(a2==page ? ("<font color=#ff0000>"+a2.ToString()+"</font>"): a2.ToString());
   A3.InnerHtml =(a3==page ? ("<font color=#ff0000>"+a3.ToString()+"</font>"): a3.ToString());
   A4.InnerHtml =(a4==page ? ("<font color=#ff0000>"+a4.ToString()+"</font>"): a4.ToString());
   A5.InnerHtml =(a5==page ? ("<font color=#ff0000>"+a5.ToString()+"</font>"): a5.ToString());
   A6.InnerHtml =(a6==page ? ("<font color=#ff0000>"+a6.ToString()+"</font>"): a6.ToString());
   A7.InnerHtml =(a7==page ? ("<font color=#ff0000>"+a7.ToString()+"</font>"): a7.ToString());
   A8.InnerHtml =(a8==page ? ("<font color=#ff0000>"+a8.ToString()+"</font>"): a8.ToString());
   A9.InnerHtml =(a9==page ? ("<font color=#ff0000>"+a9.ToString()+"</font>"): a9.ToString());
   A10.InnerHtml =(a10==page ? ("<font color=#ff0000>"+a10.ToString()+"</font>"): a10.ToString());

   A1.HRef = (a1==page ? null : (this.Request.CurrentExecutionFilePath + "?page=" + a1.ToString()));
   A2.HRef = (a2==page ? null : (this.Request.CurrentExecutionFilePath + "?page=" + a2.ToString()));
   A3.HRef = (a3==page ? null : (this.Request.CurrentExecutionFilePath + "?page=" + a3.ToString()));
   A4.HRef = (a4==page ? null : (this.Request.CurrentExecutionFilePath + "?page=" + a4.ToString()));
   A5.HRef = (a5==page ? null : (this.Request.CurrentExecutionFilePath + "?page=" + a5.ToString()));
   A6.HRef = (a6==page ? null : (this.Request.CurrentExecutionFilePath + "?page=" + a6.ToString()));
   A7.HRef = (a7==page ? null : (this.Request.CurrentExecutionFilePath + "?page=" + a7.ToString()));
   A8.HRef = (a8==page ? null : (this.Request.CurrentExecutionFilePath + "?page=" + a8.ToString()));
   A9.HRef = (a9==page ? null : (this.Request.CurrentExecutionFilePath + "?page=" + a9.ToString()));
   A10.HRef = (a10==page ? null : (this.Request.CurrentExecutionFilePath + "?page=" + a10.ToString()));

   A1.Visible = (a1 <= pagecount ? true : false);
   A2.Visible = (a2 <= pagecount ? true : false);
   A3.Visible = (a3 <= pagecount ? true : false);
   A4.Visible = (a4 <= pagecount ? true : false);
   A5.Visible = (a5 <= pagecount ? true : false);
   A6.Visible = (a6 <= pagecount ? true : false);
   A7.Visible = (a7 <= pagecount ? true : false);
   A8.Visible = (a8 <= pagecount ? true : false);
   A9.Visible = (a9 <= pagecount ? true : false);
   A10.Visible = (a10 <= pagecount ? true : false);

first.HRef = this.Request.CurrentExecutionFilePath + "?page=1";
first.Visible = (page>1 ? true:false);

prev10.HRef = this.Request.CurrentExecutionFilePath + "?page=" + (((page-1)/10)*10).ToString();
prev10.Visible = (page>10 ? true:false);

next10.HRef = this.Request.CurrentExecutionFilePath + "?page=" + (((((page-1)/10)+1)*10)+1).ToString();
next10.Visible = ((((page-1)/10)+1)*10 <pagecount ? true:false);

   last.HRef = this.Request.CurrentExecutionFilePath + "?page=" + pagecount.ToString();
   last.Visible = (page<pagecount ? true:false);
  }

  private void ImageButton1_Click(object sender, System.Web.UI.ImageClickEventArgs e)
  {
   PageChange();
  }

  private void TextBox1_TextChanged(object sender, System.EventArgs e)
  {
   PageChange();
  }

  private void PageChange()
  {
   try
   {
    page = Convert.ToInt32(this.TextBox1.Text.Trim().ToString());
   }
   catch
   {
   }

   PageBind();
   BindGrid();
   ButtonBind();
   PageItem();
  }
}
}