>>>>In .NET you can use math.truncate(number*10)/10
>>>>
>>>>Thanks - I should have thought of that myself.
>>>
>>>Why the truncate function doesn't allow you to truncate at a certain position is one of those 'what were they thinking when they designed it' questions..
>>
>>Maybe a simple extension method. Something like :

public static decimal Trunc(this decimal d, int digits)
>>        {
>>            decimal mult = (decimal) Math.Pow(10, digits);
>>            return Math.Truncate(d * mult) / mult;
>>        }

Then:

Decimal d = 1.2344567M;
>>var s = d.Trunc(4);

>
>Another flavour
>
>

>		public static decimal Trunc(this decimal d, int digits)
>		{
>			return d - (d % (decimal)Math.Pow(10, -digits));
>		}
>

Neater.....