in DataGenerators/TelcoGeneratorCore/CDRrecord.cs [247:263]
override public String ToString()
{
StringBuilder sb = new StringBuilder();
for (int i = 0; i < columns.Length; i++)
{
if (!data.ContainsKey(columns[i]) || data[columns[i]] == null)
sb.Append("");
else
sb.Append(data[columns[i]]);
if (i < columns.Length - 1)
sb.Append(",");
}
return sb.ToString();
}