Unable to cast object of type WhereSelectListIterator to type 'System.IConvertible'.


Unable to cast object of type WhereSelectListIterator to type 'System.IConvertible'.

When you find above error you can use single to avoid the error. 

item.title = Convert.ToString(lstobj.Where(x => x.ID == item.id).Select(x => x.IdentifiersName).Single());