Seems like this should be something straightforward, but I haven\'t been able to get it right. I\'ve looked at http://idunno.org/archive/2004/14/01/122.aspx for reference.>
double d = 3.14;
Console.WriteLine("{0,10:0.000}", d);
P.S: have a look at this article as a primer on string formatting. Also, string.Format should allow you doing everything sprintf does - and actually more... what else are you trying to do?