检索列表项

using (SPSite site = new SPSite("http://server/sites/siteCollection"))
using (SPWeb web = site.OpenWeb())
{
    SPList list = web.Lists["Some list"];

    // It is always better and faster to query list items with GetItems method with
    // empty SPQuery object than to use Items property
    SPListItemCollection items = list.GetItems(new SPQuery());
    foreach (SPListItem item in items)
    {
        // Do some operation with item
    }
}