public static List <TBll> GeefCheckedValues <TBll>(this FormCollection formCollection, string fieldPrefix, Func <int, TBll> factory)
where TBll : BusinessLogica
{
var result = new List <TBll>();
var checkedValues = formCollection.ToDictionaryOfStrings().Where(kvp =>
kvp.Key.StartsWith(fieldPrefix) &&
kvp.Value == "on");
foreach (var kvp in checkedValues)
{
int bllId = Convert.ToInt32(kvp.Key.Replace(fieldPrefix, string.Empty));
if (bllId > 0)
{
result.Add(factory(bllId));
}
}
return(result);
}