private string FormatAttribute(string formatString) { var buttonClick = formatString; if (!DataFields.IsNullOrEmpty()) { var dataFields = DataFields.Split(','); object[] param = new object[dataFields.Length]; for (int i = 0; i < dataFields.Length; i++) { param[i] = RowData[dataFields[i]]; } buttonClick = string.Format(CultureInfo.CurrentCulture, buttonClick, param); } return(buttonClick); }