VB.Net我不会,下面的是C#的:
If(selectall.Checked = true)
{
for(int i=0;i<Grid1.Items.Count;i++)
{
CheckBox chk = (CheckBox)Grid1.Items[i].FindControl("chk1");
chk.Checked == true;
//其它操作
}
}
If(selectall.Checked = true)
{
for(int i=0;i<Grid1.Items.Count;i++)
{
CheckBox chk = (CheckBox)Grid1.Items[i].FindControl("chk1");
chk.Checked == true;
//其它操作
}
}
{
foreach(DataGridItem dgi in DataGrid1.Items)
{
CheckBox cb=(CheckBox)(dgi.Cells[0].Controls[1]);
cb.Checked=true;
}
}
Dim i As Integer
For i = 0 To Grid1.Items.Count - 1
Dim chk As CheckBox
chk = CType(Grid1.Items(i).FindControl("chk1"), CheckBox)
chk.Checked = True
Next
End If
<AlternatingItemStyle BackColor="#CCCCCC"></AlternatingItemStyle>
<HeaderStyle BackColor="#AAAADD"></HeaderStyle>
<PagerStyle HorizontalAlign="Right" Mode="NumericPages"></PagerStyle>
<Columns>
<asp:TemplateColumn headertext="选中">
<ItemTemplate>
<asp:CheckBox id="chb1" Runat="server"></asp:CheckBox>
</ItemTemplate>
</asp:TemplateColumn>
<asp:BoundColumn headertext="紧急" DataField="urgency"></asp:BoundColumn>
<asp:BoundColumn HeaderText="新邮件" DataField="isnew"></asp:BoundColumn>
<asp:BoundColumn DataField="fromname" HeaderText="发件人"></asp:BoundColumn>
<asp:HyperLinkColumn datatextfield="title" HeaderText="主题" DataNavigateUrlField="recebox" DataNavigateUrlFormatString="show_email.aspx?emailid={0}"></asp:HyperLinkColumn>
<asp:BoundColumn DataField="addtime" HeaderText="发送时间"></asp:BoundColumn>
</Columns>
</asp:datagrid><asp:CheckBox id="selectall" runat="server" Text="全部选中"></asp:CheckBox>
list.asp.vb Private Sub selectall_CheckedChanged(ByVal sender As Object, ByVal e As System.EventArgs) Handles selectall.CheckedChanged
Dim i As Integer
If selectall.Checked = True Then
For i = 0 To DataGrid1.Items.Count
Dim chb As CheckBox = DataGrid1.Items(i).FindControl("chb1")
chb.Checked = True
Next
Else
For i = 0 To DataGrid1.Items.Count
Dim chb As CheckBox = DataGrid1.Items(i).FindControl("chb1")
chb.Checked = False
Next
End If
End Sub
function selectAll()
{
var coll = document.all.tags("input");
if (coll!=null)
var i=0;
for (var j=0;j<coll.length;j++)
{
if(coll[j].type=="checkbox")
{
if(coll[j].name.substr(0,8)=="DataList")
{
if(coll[j].checked==true)
{
coll[j].checked=false
document.all.selectall.innerText="全部选定"
}
else
{
coll[j].checked=true
document.all.selectall.innerText="取消选择"
}
}
}
}
}
</script>