There are many ways to get items from CheckBoxList. Bellow some codes are presented.
On aspx page,
<asp:CheckBoxList ID="chkbokxlist" runat="server"></asp:CheckBoxList>
1- Code behind
foreach (ListItem i in chkbokxlist.Items)
{
if (i.Selected)
{
//your code here
}
}
2- Code behind
var itm = chkbokxlist.Items.Cast<ListItem>().Where(x => x.Selected);
foreach (ListItem i in itm)
{
if (i.Selected)
{
// your code
}
}