public static void Delete(int?id)
{
using (Entities db = new Entities())
{
using (var transaction = db.Database.BeginTransaction())
{
try
{
List List = db.List.Find(id);
List <Task> tasks = TasksBLL.List();
foreach (var item in tasks)
{
if (item.id_list == List.id_list)
{
TasksBLL.Delete(item.id_task);
}
}
db.Entry(List).State = System.Data.Entity.EntityState.Deleted;
db.SaveChanges();
transaction.Commit();
}
catch (Exception ex)
{
transaction.Rollback();
throw ex;
}
}
}
}