自定义DataGrid翻页按钮

王朝other·作者佚名  2006-11-24
窄屏简体版  字體: |||超大  

(一).显示截图效果

(二).代码

1. *.aspx文件代码

<%@ Page language="c#" Codebehind="WebForm1.aspx.cs" AutoEventWireup="false" Inherits="New_DataGrid自定义分页按钮.WebForm1" %>

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" >

<HTML>

<HEAD>

<title>WebForm1</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 MS_POSITIONING="GridLayout">

<form id="Form1" method="post" runat="server">

<FONT face="宋体"></FONT>

<asp:datagrid id="DataGrid1" style="Z-INDEX: 101; LEFT: 96px; POSITION: absolute; TOP: 160px"

runat="server" Width="768px" AllowPaging="True">

<HeaderStyle BackColor="#999900"></HeaderStyle>

<PagerStyle NextPageText="下一页" PrevPageText="上一页" Mode="NumericPages"></PagerStyle>

</asp:datagrid>

</form>

</body>

</HTML>

2. *.cs代码文件

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 New_DataGrid自定义分页按钮

{

/// <summary>

/// DataGrid自定义分页按钮

/// </summary>

public class WebForm1 : System.Web.UI.Page

{

protected System.Web.UI.WebControls.DataGrid DataGrid1;

private void Page_Load(object sender, System.EventArgs e)

{

if(!Page.IsPostBack)

{

GetData(); // 生成数据

this.BindData(); // 绑定数据到DataGrid

}

}

/// <summary>

/// 生成数据

/// </summary>

private void GetData()

{

DataTable table = new DataTable();

DataColumnCollection columns = table.Columns;

//定义结构

columns.Add("学号",typeof(System.Int32));

columns.Add("分数",typeof(System.Int32));

Random myRandom = new Random();

int intScore = 0;

for(int i = 1;i < 101; i++)

{

intScore = myRandom.Next(100);

DataRow drNew = table.NewRow();

drNew[0] = i.ToString();

drNew[1] = intScore.ToString();

table.Rows.Add(drNew);

}

this.ViewState.Add("table",table);

}

/// <summary>

/// 绑定DataGrid

/// </summary>

private void BindData()

{

DataTable table = (DataTable)this.ViewState["table"];

this.DataGrid1.DataSource = table;

this.DataGrid1.DataBind();

}

#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.DataGrid1_PageIndexChanged);

this.Load += new System.EventHandler(this.Page_Load);

this.DataGrid1.ItemCreated +=new DataGridItemEventHandler(DataGrid1_ItemCreated);

}

#endregion

private void DataGrid1_PageIndexChanged(object source, System.Web.UI.WebControls.DataGridPageChangedEventArgs e)

{

try

{

this.DataGrid1.CurrentPageIndex = e.NewPageIndex;

}

catch

{

this.DataGrid1.CurrentPageIndex = 0;

}

this.BindData();

}

private void DataGrid1_ItemCreated(object sender, DataGridItemEventArgs e)

{

System.Web.UI.WebControls.ListItemType elemType = e.Item.ItemType;

if (elemType == System.Web.UI.WebControls.ListItemType.Pager)

{

TableCell pager = (TableCell) e.Item.Controls[0];

for (int i=0; i<pager.Controls.Count; i+=2)

{

Object o = pager.Controls[i];

if (o is LinkButton)

{

LinkButton h = (LinkButton) o;

h.Text = " " + h.Text + " ";

}

else

{

Label l = (Label) o;

l.Text = String.Format("<font color='red'>[第{0}页]</font>", l.Text);

}

}

}

}

}

}

(三).源代码下载(创建虚拟目录后就可以直接运行)

点击这里下载源文件

 
 
 
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