DataTable某一列轉換為分隔字符串

//把DataTable的某一列轉化為逗號分隔字符串
private static string DataTableColumnSplit(DataTable dataTable,string strColumn)
{
    int[] idInts = dataTable.AsEnumerable().Select(d => d.Field<int>(strColumn)).ToArray();
    return String.Join(",", idInts);
}