在C#中如何把0.234转化成23%

Question

在C#中如何把0.234转化成23%

Answer 1

System.Console.WriteLine("{0:p0}",0.234);
或
System.Console.WriteLine(0.234.ToString("p0"));

Answer 2

double nI = 0.234;
MessageBox.Show(nI.ToString("P0"));

Answer 3

double val=Math.PI;
Console.WriteLine(val.ToString( ));  //displays 3.14159265358979
Console.WriteLine(val.ToString("E"));//displays 3.141593E+000
Console.WriteLine(val.ToString("F3");//displays 3.142
int val=65535;
Console.WriteLine(val.ToString("x"));  //displays ffff
Console.WriteLine(val.ToString("X"));  //displays FFFF
Single val=0.123F;
Console.WriteLine(val.ToString("p"));  //displays 12.30 %
Console.WriteLine(val.ToString("p1"));  //displays 12.3 %

Answer 4

double aaaa = 0.234
System.Math.Round(aaaa*100,1) + "%"