New function add / change accountrecord

WinFormDi.BLR/AccountRecordRepository.cs

@@ -74,4 +74,10 @@ public class AccountRecordRepository : IAccountRecordRepository
         return _dataContext.AccountRecords;
     }
 
+    public AccountRecord GetAccount(int id)
+    {
+        var accountRec = _dataContext.AccountRecords.FirstOrDefault(a => a.Id == id);
+        return accountRec;
+    }
+
 }