private void LoadAllRemembersRemembers(List <RememberModel> parameter)
 {
     if (parameter != null)
     {
         if (Remembers == null)
         {
             Remembers = new ObservableCollection <RememberModel>();
         }
         else
         {
             Remembers.Clear();
         }
         foreach (var parameterRemember in parameter)
         {
             Remembers.Add(parameterRemember);
         }
     }
     else
     {
         if (Remembers == null)
         {
             Remembers = new ObservableCollection <RememberModel>();
         }
         else
         {
             Remembers.Clear();
         }
     }
 }
        private void btn_submit_Click(object sender, EventArgs e)
        {
            Remembers r = new Remembers();

            r.Subject      = txtSubject.Text.Trim();
            r.Text         = txtxtext.Text.Trim();
            r.CreateDate   = lbltime.Text;
            r.RememberDate = String.Format("{0:yyyy/MM/dd}", Convert.ToDateTime(timepickerremember.Value.Year + "/" + timepickerremember.Value.Month + "/" + timepickerremember.Value.Day));
            r.IsRead       = 1;
            r.UserID       = PublicVariebale.gUserID;
            DBCommon.Context.Remembers.Add(r);
            DBCommon.Context.SaveChanges();
            MessageBox.Show("اطلاعات با موفقیت ثبت شد", "ثبت", MessageBoxButtons.OK, MessageBoxIcon.Information);
        }