摘要：
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CheckBox的跨页检查功能需要在许多程序中使用。此示例实现GridView多页检查函数SelectMultiPages。aspx134˂！DOCTYPEHTMLPUBLIC“-//
SelectMultiPages.aspx
1
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="SelectMultiPages.aspx.cs"
2 Inherits="SelectMultiPages" %>
3
4<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
5<html>
6<head runat="server">
7 <title>跨页面实现多选</title>
8 <meta http-equiv="content-type" content="text/html; charset=gb2312">
9 <style>
10
* 
{FONT-SIZE:12PX}
11#Status {text-align:left}
12</style>
13
14 <script language="JAVASCRIPT">
15 var tgs;
16 var tmp_background_val;
17 function tog(n,flags)
18 {
19
//傳過來本次點擊前的的背景顏色
20
if (tgs){
21 tgs.style.background= tmp_background_val ;
22
}
23 //考慮到連續點同一個對象的情況,就不要改變保留的顏色
24 n.style.background= '#99ccff' ;
25 tmp_background_val=flags;
26 tgs=n;
27
}
28 function AddRemoveValues(oChk)
29 {
30 //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。
31 if(oChk.checked)
32 SelectMultiPage.HdnSelectedValues.value += "," + oChk.value;
33 else
34 SelectMultiPage.HdnSelectedValues.value = SelectMultiPage.HdnSelectedValues.value.replace("," + oChk.value,"");
35 }
36 </script>
37
38</head>
39<body>
40 <form id="SelectMultiPage" runat="server">
41 <asp:GridView ID="DataGrid1" HorizontalAlign="Center" AutoGenerateColumns="False"
42 Width="600px" AllowPaging="True" runat="server" OnRowDataBound="DataGrid1_RowDataBound"
43 OnPageIndexChanging="DataGrid1_PageIndexChanging">
44 <AlternatingRowStyle BorderColor="#EEEEEE" />
45 <HeaderStyle BackColor="#AAAADD" Font-Bold="True" HorizontalAlign="Center" />
46 <PagerSettings Mode="Numeric" Position="Bottom" Visible="true"/>
47 <Columns>
48 <asp:TemplateField HeaderText="选择">
49 <ItemTemplate>
50 <input type="checkbox" runat="server" id="chkSelect" onclick="AddRemoveValues(this)"
51 value='<%#Eval("Label")%>' />
52 </ItemTemplate>
53 </asp:TemplateField>
54 <asp:TemplateField HeaderText="页面标题">
55 <ItemTemplate>
56 <asp:Literal Text='<%# Eval("Label") %>' runat="server" ID="TitleShow" />
57 </ItemTemplate>
58 </asp:TemplateField>
59 <asp:TemplateField HeaderText="链接地址">
60 <ItemTemplate>
61 <asp:Literal ID="Literal1" Text='<%# Eval("Link") %>' runat="server" />
62 </ItemTemplate>
63 </asp:TemplateField>
64 </Columns>
65 </asp:GridView>
66 <div align="center">
67 <asp:Button ID="Button1" runat="server" Text="得到所选的值" OnClick="Button1_Click1"></asp:Button>
68 <div id="Status" align="center">
69 <asp:Label ID="Label1" runat="server"></asp:Label>
70 </div>
71 <input id="HdnSelectedValues" type="hidden" name="HdnSelectedValues" runat="server">
72 </div>
73 </form>
74</body>
75</html>
SelectMultiPages.aspx.cs<%@ Page Language="C#" AutoEventWireup="true" CodeFile="SelectMultiPages.aspx.cs"2
Inherits="SelectMultiPages" %>3
4
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">5
<html>6
<head runat="server">7
<title>跨页面实现多选</title>8
<meta http-equiv="content-type" content="text/html; charset=gb2312">9
<style>10
* {FONT-SIZE:12PX}11
#Status {text-align:left}12
</style>13
14
<script language="JAVASCRIPT">15
var tgs; 16
var tmp_background_val; 17
function tog(n,flags)18
{ 19
//傳過來本次點擊前的的背景顏色 20
if (tgs){ 21
tgs.style.background= tmp_background_val ; 22
} 23
//考慮到連續點同一個對象的情況,就不要改變保留的顏色 24
n.style.background= '#99ccff' ; 25
tmp_background_val=flags;26
tgs=n; 27
} 28
function AddRemoveValues(oChk) 29
{30
//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。31
if(oChk.checked) 32
SelectMultiPage.HdnSelectedValues.value += "," + oChk.value; 33
else34
SelectMultiPage.HdnSelectedValues.value = SelectMultiPage.HdnSelectedValues.value.replace("," + oChk.value,""); 35
}36
</script>37
38
</head>39
<body>40
<form id="SelectMultiPage" runat="server">41
<asp:GridView ID="DataGrid1" HorizontalAlign="Center" AutoGenerateColumns="False"42
Width="600px" AllowPaging="True" runat="server" OnRowDataBound="DataGrid1_RowDataBound"43
OnPageIndexChanging="DataGrid1_PageIndexChanging">44
<AlternatingRowStyle BorderColor="#EEEEEE" />45
<HeaderStyle BackColor="#AAAADD" Font-Bold="True" HorizontalAlign="Center" />46
<PagerSettings Mode="Numeric" Position="Bottom" Visible="true"/>47
<Columns>48
<asp:TemplateField HeaderText="选择">49
<ItemTemplate>50
<input type="checkbox" runat="server" id="chkSelect" onclick="AddRemoveValues(this)"51
value='<%#Eval("Label")%>' />52
</ItemTemplate>53
</asp:TemplateField>54
<asp:TemplateField HeaderText="页面标题">55
<ItemTemplate>56
<asp:Literal Text='<%# Eval("Label") %>' runat="server" ID="TitleShow" />57
</ItemTemplate>58
</asp:TemplateField>59
<asp:TemplateField HeaderText="链接地址">60
<ItemTemplate>61
<asp:Literal ID="Literal1" Text='<%# Eval("Link") %>' runat="server" />62
</ItemTemplate>63
</asp:TemplateField>64
</Columns>65
</asp:GridView>66
<div align="center">67
<asp:Button ID="Button1" runat="server" Text="得到所选的值" OnClick="Button1_Click1"></asp:Button>68
<div id="Status" align="center">69
<asp:Label ID="Label1" runat="server"></asp:Label>70
</div>71
<input id="HdnSelectedValues" type="hidden" name="HdnSelectedValues" runat="server">72
</div>73
</form>74
</body>75
</html> 1using System;
2using System.Data;
3using System.Data.SqlClient;
4using System.Configuration;
5using System.Collections;
6using System.Web;
7using System.Web.Security;
8using System.Web.UI;
9using System.Web.UI.WebControls;
10using System.Web.UI.WebControls.WebParts;
11using System.Web.UI.HtmlControls;
12
13public partial class SelectMultiPages : System.Web.UI.Page
14{
15 protected SqlConnection conn;
16 protected SqlCommand comm;
17 protected MX.Data.Connection connstr = new MX.Data.Connection();
18 protected void Page_Load(object sender, System.EventArgs e)
19{
20 // 在此处放置用户代码以初始化页面
21 if(!Page.IsPostBack)
22 BindData();
23}
24
25void BindData()
26{
27 conn=connstr.SqlConnection;
28 SqlDataAdapter da=new SqlDataAdapter("Select ID,Label,Link from Sys_Page_Info",conn);
29 DataSet ds = new DataSet();
30 da.Fill(ds);
31 DataGrid1.DataSource= ds;
32 DataGrid1.DataBind();
33}
34
35Web 窗体设计器生成的代码#region Web 窗体设计器生成的代码
36override protected void OnInit(EventArgs e)
37{
38 //
39 // CODEGEN: 该调用是 ASP.NET Web 窗体设计器所必需的。
40 //
41 InitializeComponent();
42 base.OnInit(e);
43}
44
45/**//// <summary>
46/// 设计器支持所需的方法 - 不要使用代码编辑器修改
47/// 此方法的内容。
48/// </summary>
49private void InitializeComponent()
50{
51
52}
53#endregion
54
55 protected void DataGrid1_RowDataBound(object sender, GridViewRowEventArgs e)
56 {
57 //重新显示所选择的项目
58 if (e.Row.RowType == DataControlRowType.DataRow)
59 {
60 e.Row.Attributes.Add("onclick","tog(this,'AliceBlue')");
61 if (HdnSelectedValues.Value.IndexOf(((Literal)e.Row.Cells[1].FindControl("TitleShow")).Text) >= 0)
62 {
63 HtmlInputCheckBox ChkSelected = (HtmlInputCheckBox)(e.Row.Cells[0].FindControl("ChkSelect"));
64 ChkSelected.Checked = true;
65 }
66 }
67 }
68 protected void DataGrid1_PageIndexChanging(object sender, GridViewPageEventArgs e)
69 {
70 DataGrid1.PageIndex = e.NewPageIndex;
71 BindData();
72 }
73 protected void Button1_Click1(object sender, EventArgs e)
74 {
75 //为了显示的方便进行替换的
76 Label1.Text = HdnSelectedValues.Value.Replace(",", "<li>");
77 }
78}
using System;2
using System.Data;3
using System.Data.SqlClient;4
using System.Configuration;5
using System.Collections;6
using System.Web;7
using System.Web.Security;8
using System.Web.UI;9
using System.Web.UI.WebControls;10
using System.Web.UI.WebControls.WebParts;11
using System.Web.UI.HtmlControls;12
13
public partial class SelectMultiPages : System.Web.UI.Page14
{15
protected SqlConnection conn;16
protected SqlCommand comm;17
protected MX.Data.Connection connstr = new MX.Data.Connection();18
protected void Page_Load(object sender, System.EventArgs e)19
{20
// 在此处放置用户代码以初始化页面21
if(!Page.IsPostBack)22
BindData();23
}24
25
void BindData()26
{27
conn=connstr.SqlConnection;28
SqlDataAdapter da=new SqlDataAdapter("Select ID,Label,Link from Sys_Page_Info",conn);29
DataSet ds = new DataSet();30
da.Fill(ds);31
DataGrid1.DataSource= ds;32
DataGrid1.DataBind();33
}34
35
Web 窗体设计器生成的代码#region Web 窗体设计器生成的代码36
override protected void OnInit(EventArgs e)37
{38
//39
// CODEGEN: 该调用是 ASP.NET Web 窗体设计器所必需的。40
//41
InitializeComponent();42
base.OnInit(e);43
}44
45
/**//// <summary>46
/// 设计器支持所需的方法 - 不要使用代码编辑器修改47
/// 此方法的内容。48
/// </summary>49
private void InitializeComponent()50
{51
52
}53
#endregion 54
55
protected void DataGrid1_RowDataBound(object sender, GridViewRowEventArgs e)56
{57
//重新显示所选择的项目58
if (e.Row.RowType == DataControlRowType.DataRow)59
{60
e.Row.Attributes.Add("onclick","tog(this,'AliceBlue')");61
if (HdnSelectedValues.Value.IndexOf(((Literal)e.Row.Cells[1].FindControl("TitleShow")).Text) >= 0)62
{63
HtmlInputCheckBox ChkSelected = (HtmlInputCheckBox)(e.Row.Cells[0].FindControl("ChkSelect"));64
ChkSelected.Checked = true;65
}66
}67
}68
protected void DataGrid1_PageIndexChanging(object sender, GridViewPageEventArgs e)69
{70
DataGrid1.PageIndex = e.NewPageIndex;71
BindData();72
}73
protected void Button1_Click1(object sender, EventArgs e)74
{75
//为了显示的方便进行替换的76
Label1.Text = HdnSelectedValues.Value.Replace(",", "<li>");77
}78
}