/// <summary>
/// Gets the proper to string number dn.
/// </summary>
/// <param name="input">Highest number of items to show row number for</param>
/// <param name="minCharacters">The minimum characters - leading 0's.</param>
/// <returns>Format string ready for <c>ToString(format)</c> call</returns>
public static String getToStringDFormat(this Int32 input, Int32 minCharacters = 3)
{
//String test = input.ToString();
Int32 len = input.GetTextualLength();
if (len < minCharacters)
{
len = minCharacters;
}
return("D" + len.ToString());
}