public VLLibraryColumn UpdateLibraryQuestionColumn(VLLibraryColumn column)
{
if (column == null)
{
throw new ArgumentNullException("column");
}
column.ValidateInstance();
//διαβάζουμε το option απο την βάση μας:
var existingItem = LibrariesDal.GetLibraryColumnById(AccessTokenId, column.Question, column.ColumnId, column.TextsLanguage);
if (existingItem == null)
{
throw new VLException(SR.GetString(SR.There_is_no_item_with_id, "Column", column.ColumnId));
}
existingItem.ColumnText = column.ColumnText;
return(LibrariesDal.UpdateLibraryColumn(AccessTokenId, existingItem));
}