private void PasteAppend(IReadOnlyList <Column> columns, IReadOnlyList <ColumnValueBag> dataToPaste) { for (int i = 0; i < dataToPaste.Count; i++) { if (!PasteAppend(columns, dataToPaste[i])) { MessageBox.Show(UserMessages.DataView_PasteAppendWithError(i)); return; } } MessageBox.Show(UserMessages.DataView_PasteAppendCompleted(dataToPaste.Count)); }