Index: branches/Abonament/Wierszowki/Wierszowki.Model/Linq/WierszowkiDataContext.cs
===================================================================
--- branches/Abonament/Wierszowki/Wierszowki.Model/Linq/WierszowkiDataContext.cs (revision 752)
+++ branches/Abonament/Wierszowki/Wierszowki.Model/Linq/WierszowkiDataContext.cs (revision 839)
@@ -60,5 +60,5 @@
         public IQueryable<Issue> FindIssuesByMagazineId(int magazineId)
         {
-            var startDate = DateTime.Now.AddMonths(-1);
+            var startDate = DateTime.Now.AddMonths(-3);
             var endDate = DateTime.Now.AddMonths(1);
 
Index: branches/Abonament/Wierszowki/Wierszowki.Model/Linq/User.cs
===================================================================
--- branches/Abonament/Wierszowki/Wierszowki.Model/Linq/User.cs (revision 752)
+++ branches/Abonament/Wierszowki/Wierszowki.Model/Linq/User.cs (revision 839)
@@ -8,4 +8,5 @@
     public partial class User : UserValidation, IIdentifiable
     {
+        public string FullName { get { return FirstName + " " + LastName; } }
     }
 }
Index: branches/Abonament/Wierszowki/Wierszowki.Model/Linq/LinqRepository.cs
===================================================================
--- branches/Abonament/Wierszowki/Wierszowki.Model/Linq/LinqRepository.cs (revision 752)
+++ branches/Abonament/Wierszowki/Wierszowki.Model/Linq/LinqRepository.cs (revision 839)
@@ -125,9 +125,8 @@
         public void Delete(T entity)
         {
-            using (var dc = new WierszowkiDataContext())
+            if (entity != null)
             {
-                dc.GetTable<T>().Attach(entity);
-                dc.GetTable<T>().DeleteOnSubmit(entity);
-                dc.SubmitChanges();
+                _dataContext.GetTable<T>().DeleteOnSubmit(entity);
+                _dataContext.SubmitChanges();
             }
         }