代码不起作用...帮助 [英] code not working...help
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问题描述
实际上，我正在gridview中进行分页.我必须保存页眉checkbok的状态，如果在第一页中将其选中，则将自动检查每个页眉以及所有子复选框(在该列中).
请查看代码
在.aspx
中
-----
actually i''m doing paging in gridview. where i have to save state of header checkbok and if its selected in first page then automatically every page header will be checked as well as all child-checkboxes(in that column).
please review the code
in .aspx
-----
<head runat="server">
<title></title>
<script src="Script/jquery-1.7.1.js" type="text/javascript"></script>
<script type="text/javascript">
$(document).ready(function () {
var headerCheckbox = $('#GridView1 > tbody > tr > th > input:checkbox');
var childChkBoxes = $('#GridView1 > tbody > tr > td > input:checkbox');
headerCheckbox.click(function () {
$('input:checkbox:not(:disabled)').not('#GridView1 > tbody > tr > th > input:checkbox').click(function () {
if ($('input:checkbox:not(:disabled, :checked)').not('#GridView1 > tbody > tr > th > input:checkbox').length == 0)
$('#GridView1 > tbody > tr > th > input:checkbox').attr('checked', true)
else
headerCheckbox.attr('checked', false)
}
).attr('checked', this.checked);
})
var state=<%Session["IS_CHECKED"].ToString();%>
if(state!=null)
{
var headerCheckbox = $('#GridView1 > tbody > tr > th > input:checkbox');
var childChkBoxes = $('#GridView1 > tbody > tr > td > input:checkbox');
headerCheckbox.click(function () {
$('input:checkbox:not(:disabled)').not('#GridView1 > tbody > tr > th > input:checkbox').click(function () {
if ($('input:checkbox:not(:disabled, :checked)').not('#GridView1 > tbody > tr > th > input:checkbox').length == 0)
$('#GridView1 > tbody > tr > th > input:checkbox').attr('checked', true)
else
headerCheckbox.attr('checked', false)
}
).attr('checked', this.checked);
})
}
});
void PageIndexChanging(sender, eventArgs) {
var headerCheckbox = $('#GridView1 > tbody > tr > th > input:checkbox');
<%Session["IS_CHECKED"] = %> headerCheckbox.is(":checked");
}
</script>
</head>
<body>
<form id="form1" runat="server">
<div>
<asp:GridView ID="GridView1" runat="server" AllowPaging="True" AllowSorting="True"
PageSize="3" AutoGenerateColumns="False" CellPadding="4" ForeColor="#333333"
GridLines="None" DataSourceID="SqlDataSource1" OnPageIndexChanging="PageIndexChanging">
<AlternatingRowStyle />
<Columns>
<asp:BoundField DataField="OrderId" HeaderText="OrderId" SortExpression="OrderId" />
<asp:BoundField DataField="OrderName" HeaderText="OrderName" SortExpression="OrderName" />
<asp:BoundField DataField="Availability" HeaderText="Availability" SortExpression="Availability" />
<asp:TemplateField>
<HeaderTemplate>
<asp:CheckBox ID="checkAllRecords" runat="server" />
</HeaderTemplate>
<ItemTemplate>
<asp:CheckBox ID="chkRow" runat="server" />
</ItemTemplate>
</asp:TemplateField>
</Columns>
</asp:GridView>
<asp:SqlDataSource ID="SqlDataSource1" runat="server" ConnectionString="<%$ ConnectionStrings:ConnectionString %>"
SelectCommand="SELECT * FROM [OrderTable]"></asp:SqlDataSource>
</div>
</form>
</body>
和CB文件.cs
----
and CB file .cs
----
protected void Page_Load(object sender, EventArgs e)
{
Session["IS_CHECKED"] = null;
}
推荐答案
(文档).ready( var headerCheckbox =
(document).ready(function () { var headerCheckbox =
(' var childChkBoxes =
('#GridView1 > tbody > tr > th > input:checkbox'); var childChkBoxes =
(' 函数(){
('#GridView1 > tbody > tr > td > input:checkbox'); headerCheckbox.click(function () {
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