CSHARP

double upto 6 decimal places c#

var s = Math.Round(23.22,   4); // 23.2200
var s = Math.Round(23.22,   5); // 23.22000

c# double value with 2 decimal places

inputValue = Math.Round(inputValue, 2);

c# display float with 2 decimal places

myFloatVariable.ToString("0.00"); //2dp Number

myFloatVariable.ToString("n2"); // 2dp Number

myFloatVariable.ToString("c2"); // 2dp currency

format double to 2 decimal places in c#

priceLbl.Text = price.ToString("0.##");