} // Description
/// <summary>
/// Returns a string that represents the current object.
/// </summary>
/// <returns>
/// A string that represents the current object.
/// </returns>
public override string ToString()
{
return(string.Format(
"user ID: '{0}', customer ID: '{1}', started at '{2}'",
UserID.HasValue ? UserID.Value.ToString() : "-- null --",
CustomerID.HasValue ? CustomerID.Value.ToString() : "-- null --",
StartTime.MomentStr()
));
} // ToString
