ASP. NET (C #) Rounding, first method, homes (rounding, rounding decimal places, rounding to negative infinity) Function

Namespace:System Math. Round () rounds the value to the nearest integer or the specified number of decimal places. Refer:Http://msdn2.microsoft.com/zh-cn/library/system.math.round (vs.80). aspx Math. Floor () returns the maximum integer smaller than or equal to the specified decimal number. Refer:Http://msdn2.microsoft.com/zh-cn/library/k7ycc7xh (vs.80). aspx Math. Ceiling () returns the smallest integer greater than or equal to the specified number. Refer:Http://msdn2.microsoft.com/zh-cn/library/system.math.ceiling (vs.80). aspx