SelectMultiPages.aspx
<![CDATA[<![CDATA[<%@ Page EnableViewState="true" CodeBehind="SelectMultiPages.aspx.cs" Language="c#"
AutoEventWireup="false" Inherits="eMeng.Exam.SelectMultiPages" %>]]><head><title>跨页面实现多选</title><meta http-equiv="content-type" content="text/html; charset=gb2312" /><style><![CDATA[
* {FONT-SIZE:12PX}
#Status {text-align:left}
]]></style><script language="JAVASCRIPT"><![CDATA[
function AddRemoveValues(oChk) {
//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。
if(oChk.checked)
SelectMultiPage.HdnSelectedValues.value += "," + oChk.value;
else
SelectMultiPage.HdnSelectedValues.value = SelectMultiPage.HdnSelectedValues.value.replace("," + oChk.value,"");
}
]]></script></head><body><form id="SelectMultiPage" runat="server"><asp:datagrid id="DataGrid1" horizontalalign="Center" autogeneratecolumns="False" width="600px" allowpaging="True" runat="server"><alternatingitemstyle backcolor="#EEEEEE"></alternatingitemstyle><headerstyle backcolor="#AAAADD" font-bold="True" horizontalalign="Center"></headerstyle><pagerstyle horizontalalign="Right" mode="NumericPages" visible="True"></pagerstyle><columns><asp:templatecolumn headertext="选择"><itemtemplate><input type="checkbox" runat="server" id="chkSelect" onclick="AddRemoveValues(this)" value="<%#DataBinder.Eval(Container.DataItem,"Title")%>" /></itemtemplate></asp:templatecolumn><asp:templatecolumn headertext="文章标题"><itemtemplate><asp:literal text="<%# DataBinder.Eval(Container.DataItem, "Title") %>" runat="server" id="TitleShow" /></itemtemplate></asp:templatecolumn><asp:templatecolumn headertext="发布时间"><itemtemplate><asp:literal text="<%# DataBinder.Eval(Container.DataItem, "CreateDate").ToString() %>" runat="server" /></itemtemplate></asp:templatecolumn></columns></asp:datagrid><div align="center"><asp:button id="Button1" runat="server" text="得到所选的值"></asp:button><div id="Status"><asp:label id="Label1" runat="server"></asp:label></div><input id="HdnSelectedValues" type="hidden" name="HdnSelectedValues" runat="server" /></div></form></body>]]>
SelectMultiPages.aspx.cs
<![CDATA[using System;
using System.Collections;
using System.ComponentModel;
using System.Data;
using System.Data.OleDb;
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 eMeng.Exam
{
/// <summary>
/// SelectMultiPages 的摘要说明。
/// </summary>
public class SelectMultiPages : System.Web.UI.Page
{
protected System.Web.UI.WebControls.Button Button1;
protected System.Web.UI.WebControls.Label Label1;
protected System.Web.UI.HtmlControls.HtmlInputHidden HdnSelectedValues;
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
if(!Page.IsPostBack)
BindData();
}
private void DataGrid1_PageIndexChanged(object source, DataGridPageChangedEventArgs e)
{
DataGrid1.CurrentPageIndex = e.NewPageIndex;
BindData();
}
void BindData()
{
OleDbConnection cn = new OleDbConnection("Provider=Microsoft.Jet.OLEDB.4.0;Data Source="
+ HttpContext.Current.Server.MapPath("aspx.mdb"));
OleDbDataAdapter da = new OleDbDataAdapter("Select Title, CreateDate from Document",cn);
DataSet ds = new DataSet();
da.Fill(ds);
DataGrid1.DataSource= ds;
DataGrid1.DataBind();
}
private void DataGrid1_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
{
//重新显示所选择的项目
if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
{
if(HdnSelectedValues.Value.IndexOf(((Literal)e.Item.Cells[1].FindControl("TitleShow")).Text) >= 0 )
{
HtmlInputCheckBox ChkSelected = (HtmlInputCheckBox)(e.Item.Cells[0].FindControl("ChkSelect"));
ChkSelected.Checked = true;
}
}
}
private void Button1_Click(object sender, System.EventArgs e)
{
//为了显示的方便进行替换的
Label1.Text = HdnSelectedValues.Value.Replace(",","<li>");
}
#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.DataGrid1.PageIndexChanged +=
new System.Web.UI.WebControls.DataGridPageChangedEventHandler(this.DataGrid1_PageIndexChanged);
this.Button1.Click += new System.EventHandler(this.Button1_Click);
this.Load += new System.EventHandler(this.Page_Load);
}
#endregion
}
}
</li>]]>
浙公网安备 33010602011771号