//DeleteBySubjectId
public static void DeleteItemsSubjectBySubjectId(int subjectId)
{
List <ItemsSubject> lst = new List <ItemsSubject>(ItemsSubjectDL.GetAllItemsSubject());
if (lst != null && lst.Count != 0)
{
ItemsSubjectDL.DeleteById(lst.Where(it => it.SubjectId.Equals(subjectId)).FirstOrDefault());
}
}
//DeleteByItemId
public static void DeleteItemsSubjectByItemId(int ItemId)
{
List <ItemsSubject> lst = new List <ItemsSubject>(ItemsSubjectDL.GetAllItemsSubject());
if (lst.Count > 0)
{
ItemsSubjectDL.DeleteById(lst.Where(it => it.ItemId.Equals(ItemId)).FirstOrDefault());
}
}