checkbox

Question

i want to validate the check box present inside the datagrid...
checked or not...

asp.net using c#


foreach (DataGridItem i in DataGrid1 .Items )
{
CheckBox chk = (CheckBox)i.FindControl ("chkbox");
if (chk.Checked )
{

}
}

// i use this to code to add checkbox in data grid

<asp:TemplateColumn HeaderText="Approve">

<ItemTemplate>

<asp:CheckBox ID="chkbox" Runat="server"></asp:CheckBox>

</ItemTemplate>

</asp:TemplateColumn>

if u not able to understand my question plz ask me i will explain..


it is not working properly..