private bool setColumnsDisplayFormatFormula(string columnName, IColumnItemsTemplate template)
{
if (_conventions == null || _conventions.ColumnNamesDisplayFormatFormulas == null) return false;
var displayFormatFormula = _conventions.ColumnNamesDisplayFormatFormulas.FirstOrDefault(x => x.Key == columnName);
if (displayFormatFormula.Value == null) return false;
template.BasicProperties.DisplayFormatFormula = displayFormatFormula.Value;
return true;
}