CheckBox实现跨页面多选

在很多程序中需要使用CheckBox的跨页面复选功能，本例实现了GridView多页复选功能
SelectMultiPages.aspx

<%@ Page Language="C#" AutoEventWireup="true" CodeFile="SelectMultiPages.aspx.cs"
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Inherits="SelectMultiPages" %>
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
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<html>
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<head runat="server">
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<title>跨页面实现多选</title>
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<style>
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* {FONT-SIZE:12PX}
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#Status {text-align:left}
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</style>
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var tgs;
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var tmp_background_val;
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function tog(n,flags)
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{
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//傳過來本次點擊前的的背景顏色
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if (tgs){
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tgs.style.background= tmp_background_val ;
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}
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//考慮到連續點同一個對象的情況,就不要改變保留的顏色
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n.style.background= '#99ccff' ;
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tmp_background_val=flags;
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tgs=n;
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}
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function AddRemoveValues(oChk)
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{
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//在处理这个地方需要注意的是：你保存的值应该具有唯一性，这样才能不会替换错误的项。
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if(oChk.checked)
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SelectMultiPage.HdnSelectedValues.value += "," + oChk.value;
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else
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SelectMultiPage.HdnSelectedValues.value = SelectMultiPage.HdnSelectedValues.value.replace("," + oChk.value,"");
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}
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</script>
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</head>
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<body>
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<form id="SelectMultiPage" runat="server">
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<asp:GridView ID="DataGrid1" HorizontalAlign="Center" AutoGenerateColumns="False"
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Width="600px" AllowPaging="True" runat="server" OnRowDataBound="DataGrid1_RowDataBound"
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OnPageIndexChanging="DataGrid1_PageIndexChanging">
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<AlternatingRowStyle BorderColor="#EEEEEE" />
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<HeaderStyle BackColor="#AAAADD" Font-Bold="True" HorizontalAlign="Center" />
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<PagerSettings Mode="Numeric" Position="Bottom" Visible="true"/>
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<Columns>
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<asp:TemplateField HeaderText="选择">
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<ItemTemplate>
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<input type="checkbox" runat="server" id="chkSelect" onclick="AddRemoveValues(this)"
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value='<%#Eval("Label")%>' />
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</ItemTemplate>
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</asp:TemplateField>
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<asp:TemplateField HeaderText="页面标题">
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<ItemTemplate>
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<asp:Literal Text='<%# Eval("Label") %>' runat="server" ID="TitleShow" />
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</ItemTemplate>
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</asp:TemplateField>
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<asp:TemplateField HeaderText="链接地址">
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<ItemTemplate>
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<asp:Literal ID="Literal1" Text='<%# Eval("Link") %>' runat="server" />
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</ItemTemplate>
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</asp:TemplateField>
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</Columns>
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</asp:GridView>
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<div align="center">
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<asp:Button ID="Button1" runat="server" Text="得到所选的值" OnClick="Button1_Click1"></asp:Button>
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<div id="Status" align="center">
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<asp:Label ID="Label1" runat="server"></asp:Label>
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</div>
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<input id="HdnSelectedValues" type="hidden" name="HdnSelectedValues" runat="server">
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</div>
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</form>
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</body>
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</html>

SelectMultiPages.aspx.cs

using System;
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using System.Data;
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using System.Data.SqlClient;
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using System.Configuration;
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using System.Collections;
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using System.Web;
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using System.Web.Security;
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using System.Web.UI;
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using System.Web.UI.WebControls;
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using System.Web.UI.WebControls.WebParts;
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using System.Web.UI.HtmlControls;
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public partial class SelectMultiPages : System.Web.UI.Page
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{
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protected SqlConnection conn;
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protected SqlCommand comm;
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protected MX.Data.Connection connstr = new MX.Data.Connection();
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protected void Page_Load(object sender, System.EventArgs e)
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{
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// 在此处放置用户代码以初始化页面
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if(!Page.IsPostBack)
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BindData();
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}
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void BindData()
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{
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conn=connstr.SqlConnection;
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SqlDataAdapter da=new SqlDataAdapter("Select ID,Label,Link from Sys_Page_Info",conn);
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DataSet ds = new DataSet();
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da.Fill(ds);
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DataGrid1.DataSource= ds;
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DataGrid1.DataBind();
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}
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Web 窗体设计器生成的代码
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protected void DataGrid1_RowDataBound(object sender, GridViewRowEventArgs e)
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{
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//重新显示所选择的项目
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if (e.Row.RowType == DataControlRowType.DataRow)
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{
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e.Row.Attributes.Add("onclick","tog(this,'AliceBlue')");
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if (HdnSelectedValues.Value.IndexOf(((Literal)e.Row.Cells[1].FindControl("TitleShow")).Text) >= 0)
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{
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HtmlInputCheckBox ChkSelected = (HtmlInputCheckBox)(e.Row.Cells[0].FindControl("ChkSelect"));
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ChkSelected.Checked = true;
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}
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}
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}
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protected void DataGrid1_PageIndexChanging(object sender, GridViewPageEventArgs e)
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{
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DataGrid1.PageIndex = e.NewPageIndex;
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BindData();
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}
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protected void Button1_Click1(object sender, EventArgs e)
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{
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//为了显示的方便进行替换的
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Label1.Text = HdnSelectedValues.Value.Replace(",", "<li>");
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}
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}