private void dgvSendArea_EditValueChanging(object sender, ChangingEventArgs e)
 {
     if (string.IsNullOrEmpty(dgvSendArea.Text))
     {
         return;
     }
     BeginInvoke(new MethodInvoker(() => GridLookUpEditHelper.FilterLookup(sender, BaseAreaEntity.FieldFullName, BaseAreaEntity.FieldSimpleSpelling)));
 }
 private void dgvSendArea_KeyUp(object sender, KeyEventArgs e)
 {
     if (string.IsNullOrEmpty(dgvSendArea.Text))
     {
         dgvSendArea.ShowPopup();
         return;
     }
     GridLookUpEditHelper.FilterLookup(sender, BaseAreaEntity.FieldFullName, BaseAreaEntity.FieldSimpleSpelling);
 }