下面把代码贴出来给大家看看
代码如下:
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="checkAll.aspx.cs" Inherits="checkAll" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title></title>
<script src="Js/jquery-1.5.2.js" type="text/javascript"></script>
<script src="Js/jquery-1.5.2.min.js" type="text/javascript"></script>
<script language="javascript" type="text/javascript">
$(document).ready(function () {
//全选或全不选
$("#chkAll").click(function () {//当点击全选框时
var flag = $("#chkAll").attr("checked");//判断全选按钮的状态
$("[id$='Item']").each(function () {//查找每一个Id以Item结尾的checkbox
$(this).attr("checked", flag);//选中或者取消选中
});
});
//如果全部选中勾上全选框，全部选中状态时取消了其中一个则取消全选框的选中状态
$("[id$='Item']").each(function () {
$(this).click(function () {
if ($("[id$='Item']:checked").length == $("[id$='Item']").length) {
$("#chkAll").attr("checked", "checked");
}
else $("#chkAll").removeAttr("checked");
});
});
});
</script>
</head>
<body>
<form id="form1" runat="server">
<div>
<table>
<tr>
<td width="100px">
<asp:CheckBox ID="chkAll" runat="server" Text="全选"/>
</td>
</tr>
<tr>
<td width="100px">
<asp:CheckBox ID="chk1_Item" runat="server"/>
</td>
</tr>
<tr>
<td width="100px">
<asp:CheckBox ID="chk2_Item" runat="server"/>
</td>
</tr>
<tr>
<td width="100px">
<asp:CheckBox ID="chk3_Item" runat="server"/>
</td>
</tr>
<tr>
<td width="100px">
<asp:CheckBox ID="chk4_Item" runat="server"/>
</td>
</tr>
<tr>
<td width="100px">
<asp:CheckBox ID="chk5_Item" runat="server"/>
</td>
</tr>
<tr>
<td width="100px">
<asp:CheckBox ID="chk6_Item" runat="server"/>
</td>
</tr>
<tr>
<td width="100px">
<asp:CheckBox ID="chk7_Item" runat="server"/>
</td>
</tr>
</table>
</div>
</form>
</body>
</html>
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